You searched for subject:( self organization).
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University of Illinois – Urbana-Champaign
1.
Stephenson, Cory Ryan.
A first principles model and numeric solution methods for a system of self-organizing conductors.
Degree: PhD, Physics, 2018, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/101167 
► Electrical networks have long been studied in the context of non-equilibrium thermodynamics, particularly in the linear regime, due to both their theoretical convenience and their…
(more)
▼ Electrical networks have long been studied in the context of non-equilibrium thermodynamics, particularly in the linear regime, due to both their theoretical convenience and their experimental accessibility. Of more recent interest is the behaviour of
self-organizing electrical networks which necessarily exist in the non-linear regime where several proposed non-equilibrium thermodynamic principles are conjectured to apply. However, extension of conventional electrical network models to this regime is challenging due to the requirement that the topology of the network be dynamic. Additionally, the system dynamics must be modelled in a way that retains the essential physics while still being numerically solvable. In this work, we develop a first-principles model of a system of electrically conducting particles which
self-organizes to form complex electrical networks. The resulting model contains many non-linear interactions between the constituents, and so we develop the methods necessary to numerically integrate the equations of motion efficiently. This leads to a new method of numerically calculating the forces between conducting objects in a dynamic configuration. We then use these methods to reproduce experimental results regarding the network topology, and find that our model is in agreement with experiment. Interestingly, we observe that the model predicts various measures of the network topology remain constant during the
self-
organization process. These developments may be applied in further exploration of principles regarding energy dissipation and entropy production in electrical networks beyond the linear regime, as a physical model of the process as well as the methods of numerical solution has been developed and validated with comparison to experiment.
Advisors/Committee Members: Hubler, Alfred W (advisor), Bezryadin, Alexey (Committee Chair), Dahmen, Karin A (committee member), Perdekamp, Mattias G (committee member), Weaver, Richard (committee member).
Subjects/Keywords: Self-Organization
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APA (6th Edition):
Stephenson, C. R. (2018). A first principles model and numeric solution methods for a system of self-organizing conductors. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/101167
Chicago Manual of Style (16th Edition):
Stephenson, Cory Ryan. “A first principles model and numeric solution methods for a system of self-organizing conductors.” 2018. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed January 18, 2021.
http://hdl.handle.net/2142/101167.
MLA Handbook (7th Edition):
Stephenson, Cory Ryan. “A first principles model and numeric solution methods for a system of self-organizing conductors.” 2018. Web. 18 Jan 2021.
Vancouver:
Stephenson CR. A first principles model and numeric solution methods for a system of self-organizing conductors. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2018. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/2142/101167.
Council of Science Editors:
Stephenson CR. A first principles model and numeric solution methods for a system of self-organizing conductors. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2018. Available from: http://hdl.handle.net/2142/101167
University of Illinois – Urbana-Champaign
2.
Shu, Shipeng.
Novel precipitate structures in alloys under irradiation.
Degree: PhD, Materials Science & Engineering, 2015, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/88942
► We investigate the fundamentals of precipitate stability under energetic particle irradiation, towards the goal of better controlling the microstructures of driven alloys. First we focus…
(more)
▼ We investigate the fundamentals of precipitate stability under energetic particle irradiation, towards the goal of better controlling the microstructures of driven alloys. First we focus on an irradiation-induced precipitatewithin- precipitate structure, which is referred to as “cherry-pit” structure. We show by computer simulation and analytical modeling that the formation of cherry-pit structure is a special instance of compositional patterning, and that the conditions for compositional patterning and the formation of cherry-pit structures are related, but different from each other. Then we develop a new kinetic Monte Carlo model, which includes the generation, recombination, and sink elimination of irradiation-induced point defects, as well as ballistic mixing. With this tool we explore the possibility of using point-defect sinks to alter the temperature range where compositional patterns are stable. This novel approach for optimizing radiation-resistant materials is then tested experimentally using a Cu-Ag-W model alloy. Lastly we show that the addition of a high density of W nanoparticles dramatically alters the coarsening behavior of precipitate-hardened Cu-Ag alloys. First, the nanoparticles suppress precipitate growth, but far more surprisingly they induce non-equilibrium Ag wetting layers on grain boundaries. This observation is explained using kinetic Monte Carlo simulations, which show that caging of Ag precipitates by the W nanoparticles suppresses their growth and drives the formation of the wetting layers.
Advisors/Committee Members: Bellon, Pascal (advisor), Bellon, Pascal (Committee Chair), Averback, Robert S (committee member), Trinkle, Dallas R (committee member), Zhang, Yang (committee member).
Subjects/Keywords: self-organization; irradiation
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APA (6th Edition):
Shu, S. (2015). Novel precipitate structures in alloys under irradiation. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/88942
Chicago Manual of Style (16th Edition):
Shu, Shipeng. “Novel precipitate structures in alloys under irradiation.” 2015. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed January 18, 2021.
http://hdl.handle.net/2142/88942.
MLA Handbook (7th Edition):
Shu, Shipeng. “Novel precipitate structures in alloys under irradiation.” 2015. Web. 18 Jan 2021.
Vancouver:
Shu S. Novel precipitate structures in alloys under irradiation. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2015. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/2142/88942.
Council of Science Editors:
Shu S. Novel precipitate structures in alloys under irradiation. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2015. Available from: http://hdl.handle.net/2142/88942
3.
Tambe, Dhananjay T.
Topics in the mechanics of self-organizing systems.
Degree: PhD, Division of Engineering. Mechanics of
Solids, 2008, Brown University
URL: https://repository.library.brown.edu/studio/item/bdr:97/
► Self-organization, in one of its accepted definitions, is the appearance of non-random structures in a system without explicit constraints from forces outside the system. In…
(more)
▼ Self-
organization, in one of its accepted definitions,
is the appearance of non-random structures in a system without
explicit constraints from forces outside the system. In this thesis
two
self-organizing systems are studied from the viewpoint of
mechanics. In the first system - semiconductor crystal surfaces -
the internal constraints that lead to
self-assembly of nanoscale
structures on silicon-germanium (SiGe) films are studied. In the
second system - actin cytoskeleton - a consequence of dynamic
self-
organization of actin filaments in the form of motion of
micron-sized beads through a cytoplasmic medium is studied. When Ge
film is deposited on Si(001) substrate, nanoscale features form on
the surface and
self-organize by minimizing energy contributions
from the surface and the strain resulting from difference in
lattice constants of the film and the substrate. Clean Si(001) and
Ge(001) surfaces are very similar, but experiments to date have
shown that atomic scale defects such as dimer-vacancies
self-organize into vacancy lines only on Si(001). Through atomic
simulations, we show that the observed difference originate from
the magnitude of compressive surface strain which reduces formation
energy of the dimer-vacancies. During initial stages of the film
deposition, the surface is composed of steps and vacancy lines
organized in periodic patterns. Using theory of elasticity and
atomic simulations we show that these line defects
self-organize
due to monopolar nature of steps and dipolar nature of the vacancy
lines. This
self-organized pattern further develops to form
pyramidal islands bounded with (105) facets and high Ge content.
Mismatch strain of the island is then reduced by incorporation of
Si from the substrate surrounding the island leaving behind
trenches whose depth is proportional to the basewidth of the
island. Using finite element simulations we show that such a
relationship is an outcome of competition between elastic energy
and surface energy. Some experimental studies also report
observation of steeper (103) and (104) facets on pyramidal islands.
Using numerical simulations we derive a phase diagram which shows
that the steeper facets are stabilized because they provide better
relaxation of mismatch strain with only slight increase in surface
energy. In the second system, the actin cytoskeleton is a key
structural and propulsion element of eukaryotic cells. Micron-sized
"cargoes", which under pathological conditions include bacteria,
are propelled by dynamic
self-
organization of the actin filaments.
Recently it is shown that the trajectories of a bacterium, Listeria
monocytogenes, propelled by actin filaments are periodic; implying
that the
organization of actin filaments impart an effective force
that spins about the axis of the bacterium. We show that the motion
of spherical beads is also non-random; the effective force has an
additional degree of freedom due to the spherical symmetry of the
bead. Agreement of the theoretical trajectories with experimental
observations suggests that the…
Advisors/Committee Members: Shenoy, Vivek (director), Freund, Lambart (reader), Chason, Eric (reader).
Subjects/Keywords: self-organization
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APA (6th Edition):
Tambe, D. T. (2008). Topics in the mechanics of self-organizing systems. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:97/
Chicago Manual of Style (16th Edition):
Tambe, Dhananjay T. “Topics in the mechanics of self-organizing systems.” 2008. Doctoral Dissertation, Brown University. Accessed January 18, 2021.
https://repository.library.brown.edu/studio/item/bdr:97/.
MLA Handbook (7th Edition):
Tambe, Dhananjay T. “Topics in the mechanics of self-organizing systems.” 2008. Web. 18 Jan 2021.
Vancouver:
Tambe DT. Topics in the mechanics of self-organizing systems. [Internet] [Doctoral dissertation]. Brown University; 2008. [cited 2021 Jan 18].
Available from: https://repository.library.brown.edu/studio/item/bdr:97/.
Council of Science Editors:
Tambe DT. Topics in the mechanics of self-organizing systems. [Doctoral Dissertation]. Brown University; 2008. Available from: https://repository.library.brown.edu/studio/item/bdr:97/
Universidade Nova
4.
Rosa, Rogério Paulo Guerreiro.
Assessing self-organization and emergence in Evolvable Assembly Systems (EAS).
Degree: 2013, Universidade Nova
URL: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/10990
► Dissertação para obtenção do Grau de Mestre em Engenharia Electrotécnica e de Computadores
There is a growing interest from industry in the applications of distributed…
(more)
▼ Dissertação para obtenção do Grau de Mestre em
Engenharia Electrotécnica e de Computadores
There is a growing interest from industry in the applications of distributed IT. Currently, most modern plants use distributed controllers either to control production processes, monitor them or both.
Despite the efforts on the last years to improve the implementation of the new manufacturing paradigms, the industry is still mainly using traditional controllers. Now, more than ever, with an economic crisis the costumers are searching for cheap and customized products, which represents a great opportunity for the new paradigms to claim their space in the market.
Most of the research on distributed manufacturing is regarding the control and communication infrastructure. They are key aspects for self-organization and there is a lack of study on the metrics that regulate the self-organization and autonomous response of modern production paradigms.
This thesis presents a probabilistic framework that promotes self-organization on a multiagent system based on a new manufacturing concept, the Evolvable Assembly Systems/Evolvable Production Systems. A methodology is proposed to assess the impact of self-organization on the system behavior, by the application of the probabilistic framework that has the dual purpose of controlling and explaining the system dynamics.
The probabilistic framework shows the likelihood of some resources being allocated
to the production process. This information is constantly updated and exchanged by the
agents that compose the system. The emergent effect of this self-organization dynamic is
an even load balancing across the system without any centralized controller.
The target systems of this work are therefore small systems with small production
batches but with a high variability of production conditions and products.
The agents that compose the system originated in the agent based architecture of the FP7-IDEAS proejct. This work has extended these agents and the outcome has been tested in the IDEAS demonstrators, as the changes have been incorporated in the latest version of the architecture, and in a simulation and more controlled environment were the proposed metric and its influence were assessed.
Advisors/Committee Members: Oliveira, José, Ribeiro, Luís.
Subjects/Keywords: Manufacturing; Distributed; Self-organization; Emergence
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APA (6th Edition):
Rosa, R. P. G. (2013). Assessing self-organization and emergence in Evolvable Assembly Systems (EAS). (Thesis). Universidade Nova. Retrieved from http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/10990
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Rosa, Rogério Paulo Guerreiro. “Assessing self-organization and emergence in Evolvable Assembly Systems (EAS).” 2013. Thesis, Universidade Nova. Accessed January 18, 2021.
http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/10990.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Rosa, Rogério Paulo Guerreiro. “Assessing self-organization and emergence in Evolvable Assembly Systems (EAS).” 2013. Web. 18 Jan 2021.
Vancouver:
Rosa RPG. Assessing self-organization and emergence in Evolvable Assembly Systems (EAS). [Internet] [Thesis]. Universidade Nova; 2013. [cited 2021 Jan 18].
Available from: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/10990.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Rosa RPG. Assessing self-organization and emergence in Evolvable Assembly Systems (EAS). [Thesis]. Universidade Nova; 2013. Available from: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/10990
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Connecticut
5.
Anastas, Jason.
The Multi-Scale Dynamics of Executive Function.
Degree: MA, Psychology, 2012, University of Connecticut
URL: https://opencommons.uconn.edu/gs_theses/225
► Cognitive control is a central issue in developmental psychology. Traditional theories of psychology solve this problem by positing a top-down central executive, which coordinates…
(more)
▼ Cognitive control is a central issue in developmental psychology. Traditional theories of psychology solve this problem by positing a top-down central executive, which coordinates cognitive resources in pursuit of goals. We propose an alternative explanation: cognitive control arises from physical interactions across many different timescales within the system. College and preschool aged participants were asked to complete a simple executive function task, card sorting. We found that multi-scale physical interactions differed depending on experimental constraints, and that executive function in these cases was driven primarily by flexibility in multi-scale interactions, rather than the dominance of one scale. This suggests that, rather than being the workings of a higher order central executive, cognitive control may be driven by physical interactions within the system.
Advisors/Committee Members: Marie Coppola, Heather Bortfeld, James Dixon.
Subjects/Keywords: Executive Function; Development; Self-organization
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APA (6th Edition):
Anastas, J. (2012). The Multi-Scale Dynamics of Executive Function. (Masters Thesis). University of Connecticut. Retrieved from https://opencommons.uconn.edu/gs_theses/225
Chicago Manual of Style (16th Edition):
Anastas, Jason. “The Multi-Scale Dynamics of Executive Function.” 2012. Masters Thesis, University of Connecticut. Accessed January 18, 2021.
https://opencommons.uconn.edu/gs_theses/225.
MLA Handbook (7th Edition):
Anastas, Jason. “The Multi-Scale Dynamics of Executive Function.” 2012. Web. 18 Jan 2021.
Vancouver:
Anastas J. The Multi-Scale Dynamics of Executive Function. [Internet] [Masters thesis]. University of Connecticut; 2012. [cited 2021 Jan 18].
Available from: https://opencommons.uconn.edu/gs_theses/225.
Council of Science Editors:
Anastas J. The Multi-Scale Dynamics of Executive Function. [Masters Thesis]. University of Connecticut; 2012. Available from: https://opencommons.uconn.edu/gs_theses/225
NSYSU
6.
Lin, Szu-Chieh.
The study of new comer's insightfullness on the relationship between person-organization fit and job search.
Degree: Master, Human Resource Management, 2018, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0014118-021752
► Finding applicants who fit the organization is always being considered as an important index for judging the effectiveness of a recruitment process. However, most of…
(more)
▼ Finding applicants who fit the
organization is always being considered as an important index for judging the effectiveness of a recruitment process. However, most of the selection criteria were setup based on requirements from the company and did not take into account the ability for the applicants to respond those selection correctly. To solve above question, we use the concept of insightfulness for determining the capability of applicants for making correct job choices. Four kinds of insightfulness are defined thereby, i.e. ,
Self-Ability,
Self-Need,
Organization-Need,
Organization-Supply for a more comprehensive understanding of the applicants. Based on those definitions, we are trying to investigate the relationship between applicantsâ insightfulness with person-
organization fit and job-searching behaviors.
Newcomers who had joint the company for three to six months were chosen to be the research objects and 113 valid questionnaires were recovered. Statistical software, SPSS, was used for data analysis. The results showed that: (1) Scales developed in this study have good reliability and validity. (2) Insightfulness of
Self-Ability,
Organization-Demand,
Organization-Supply have positive impact on person-
organization fit. This suggests that applicants with good insightfulness could better fit the
organization. (3) Insightfulness has no evident effects on job-searching behaviors, suggesting other factors might contribute to job-searching.
In the last chapter of this thesis, suggestions for the recruitment process are drawn from the results. This can be utilized for
organization to select applicants who fit in the job more effectively and contribute to the revenue by employing those suitable members.
Advisors/Committee Members: Liang-Chih Huang (chair), Shen-Chen Chang (chair), Shyh-Jer Chen (committee member), Jin-Feng Uen (committee member).
Subjects/Keywords: Organization-Demand; Organization-Supply; Job Search Behavior; Person-Organization fit; Insightfulness; Self-Ability; Self-Need
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APA (6th Edition):
Lin, S. (2018). The study of new comer's insightfullness on the relationship between person-organization fit and job search. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0014118-021752
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lin, Szu-Chieh. “The study of new comer's insightfullness on the relationship between person-organization fit and job search.” 2018. Thesis, NSYSU. Accessed January 18, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0014118-021752.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lin, Szu-Chieh. “The study of new comer's insightfullness on the relationship between person-organization fit and job search.” 2018. Web. 18 Jan 2021.
Vancouver:
Lin S. The study of new comer's insightfullness on the relationship between person-organization fit and job search. [Internet] [Thesis]. NSYSU; 2018. [cited 2021 Jan 18].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0014118-021752.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lin S. The study of new comer's insightfullness on the relationship between person-organization fit and job search. [Thesis]. NSYSU; 2018. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0014118-021752
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
NSYSU
7.
Wang, Yi-Chen.
The Study between Building a Learning Organization and Organizational Performance in Regional Teaching Hospitals.
Degree: Master, EMBA, 2010, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0622110-220602
► The research discusses mid-high level management of different service backgrounds from military hospitals of northern, central and southern Taiwan. By using questionnaires, we discuss four…
(more)
▼ The research discusses mid-high level management of different service backgrounds from military hospitals of northern, central and southern Taiwan. By using questionnaires, we discuss four levels of consciousness,
self-learning consciousness, learning
organization, influence of group
organization by building learning organizations and influence of group achievement by building learning organizations. The results reveal that the interviewers are mainly male, mid-high management, ranged from 31 to 50 years old, college-educated and have 11 to 20 years of job-related experiences. The overall interviewers are highly-educated and in stable profession situations, thus are qualified for highly concentration of knowledge and suitable for research. The results show that male, older, and having much education and more working experiences interviewers agree four levels of the questionnaires. This implies that individual, group and
organization are the essence of building learning organizations and can affect the group achievement in military hospitals.
Most interviewers are aware that
self revolution shall fit the organizational learning, that all members shall challenge themselves to fulfill their ambitions and that learning by mistakes. In addition, under learning
organization construction, the high level management can rebuild the role and function of leadership, emphasis on the interaction between the individuals and the organizations, and provide the opportunity to learn and create. Military hospitals also build the learning
organization construction to fully fulfill the achievement of the
organization. They also connect the learning and growing level and financial level, and extend to customer level to increase the level of customer satisfaction and productivity of employees, to decrease the turnover rate and to improve internal process by applying knowledge management.
On the other hand, the research reveals that interviews that are young, fewer years of work experiences and working for Zuoying military hospitals have less identification of four levels in questionnaire. This implies that interviews are constrained by traditional
self-learning model and knowledge management. This learning culture may not inspire the creation of the members and may have negative effect on organizational achievement. According to the above results, hospitals which build learning
organization construction could improve the atmosphere of learning, increase the interaction between members and the society, and to build the concept of sharing. Eventually, members under learning
organization construction may reach the same goal and increase the ability of competition.
Advisors/Committee Members: Cher-Hung Tseng (committee member), Ming-Rea Kao (chair), Cher-Min Fong (committee member), Pei-How Huang (chair).
Subjects/Keywords: consciousness; group achievement; group organization; learning organization construction; self-learning consciousness; learning organization
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Manager
APA (6th Edition):
Wang, Y. (2010). The Study between Building a Learning Organization and Organizational Performance in Regional Teaching Hospitals. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0622110-220602
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Wang, Yi-Chen. “The Study between Building a Learning Organization and Organizational Performance in Regional Teaching Hospitals.” 2010. Thesis, NSYSU. Accessed January 18, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0622110-220602.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Wang, Yi-Chen. “The Study between Building a Learning Organization and Organizational Performance in Regional Teaching Hospitals.” 2010. Web. 18 Jan 2021.
Vancouver:
Wang Y. The Study between Building a Learning Organization and Organizational Performance in Regional Teaching Hospitals. [Internet] [Thesis]. NSYSU; 2010. [cited 2021 Jan 18].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0622110-220602.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Wang Y. The Study between Building a Learning Organization and Organizational Performance in Regional Teaching Hospitals. [Thesis]. NSYSU; 2010. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0622110-220602
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
8.
Barbosa, José.
Use of bio-inspired techniques to solve complex engineering problems: industrial automation case study.
Degree: 2010, Instituto Politécnico de Bragança
URL: https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/2852
► Nowadays local markets have disappeared and the world lives in a global economy. Due to this reality, every company virtually competes with all others companies…
(more)
▼ Nowadays local markets have disappeared and the world lives in a global economy. Due to this reality, every company virtually competes with all others companies in the world. In addition to this, markets constantly search products with higher quality at lower costs, with high customization. Also, products tend to have a shorter period of life, making the demanding more intense. With this scenario, companies, to remain competitive, must constantly adapt themselves to the market changes, i.e., companies must exhibit a great degree of
self-
organization and
self-adaptation.
Biology with the millions of years of evolution may offer inspiration to develop new algorithms, methods and techniques to solve real complex problems. As an example, the behaviour of ants and bees, have inspired researchers in the pursuit of solutions to solve complex and evolvable engineering problems.
This dissertation has the goal of explore the world of bio-inspired engineering. This is done by studying some of the bio-inspired solutions and searching for bio-inspired solutions to solve the daily problems. A more deep focus will be made to the engineering problems and particularly to the manufacturing domain.
Multi-agent systems is a concept aligned with the bio-inspired principles offering a new approach to develop solutions that exhibit robustness, flexibility, responsiveness and re-configurability. In such distributed bio-inspired systems, the behaviour of each entity follows simple few rules, but the overall emergent behaviour is very complex to understand and to demonstrate. Therefore, the design and simulation of distributed agent-based solutions, and particularly those exhibiting
self-organizing, are usually a hard task. Agent Based Modelling (ABM) tools simplifies this task by providing an environment for programming, modelling and simulating agent-based solutions, aiming to test and compare alternative model configurations. A deeply analysis of the existing ABM tools was also performed aiming to select the platform to be used in this work.
Aiming to demonstrate the benefits of bio-inspired techniques for the industrial automation domain, a production system was used as case study for the development of a
self-organizing agent-based system developed using the NetLogo tool. Hoje em dia os mercados locais desapareceram e o mundo vive numa economia global. Devido a esta realidade, cada companhia compete, virtualmente, com todas as outras companhias do mundo. A acrescentar a isto, os mercados estão constantemente à procura de produtos com maior qualidade a preços mais baixos e com um grande nível de customização Também, os produtos tendem a ter um tempo curto de vida, fazendo com que a procura seja mais intensa. Com este cenário, as companhias, para permanecer competitivas, têm que se adaptar constantemente de acordo com as mudanças de mercado, i.e., as companhias têm que exibir um alto grau de auto-organização e auto-adaptação.
A biologia com os milhões de anos de evolução, pode oferecer inspiração para desenvolver novos algoritmos, métodos…
Advisors/Committee Members: Leitão, Paulo.
Subjects/Keywords: Bio-inspired; Self-organization; Automation; NetLogo
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APA (6th Edition):
Barbosa, J. (2010). Use of bio-inspired techniques to solve complex engineering problems: industrial automation case study. (Thesis). Instituto Politécnico de Bragança. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/2852
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Barbosa, José. “Use of bio-inspired techniques to solve complex engineering problems: industrial automation case study.” 2010. Thesis, Instituto Politécnico de Bragança. Accessed January 18, 2021.
https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/2852.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Barbosa, José. “Use of bio-inspired techniques to solve complex engineering problems: industrial automation case study.” 2010. Web. 18 Jan 2021.
Vancouver:
Barbosa J. Use of bio-inspired techniques to solve complex engineering problems: industrial automation case study. [Internet] [Thesis]. Instituto Politécnico de Bragança; 2010. [cited 2021 Jan 18].
Available from: https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/2852.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Barbosa J. Use of bio-inspired techniques to solve complex engineering problems: industrial automation case study. [Thesis]. Instituto Politécnico de Bragança; 2010. Available from: https://www.rcaap.pt/detail.jsp?id=oai:bibliotecadigital.ipb.pt:10198/2852
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Georgia
9.
Lee, Tae-Young.
Bioassay with the subterranean termite reticulitermes; food preference and movement over four days in a y-tube, choice arena.
Degree: 2018, University of Georgia
URL: http://hdl.handle.net/10724/37402
► Reticulitermes workers were exposed to three 1-cm3 wood blocks of pine, poplar, red oak or redwood placed into no-, two-, and four-choice bioassay designs. Preference…
(more)
▼ Reticulitermes workers were exposed to three 1-cm3 wood blocks of pine, poplar, red oak or redwood placed into no-, two-, and four-choice bioassay designs. Preference ranking obtained using four formulas in addition to one resistance class
and two standardized visual rating scales. Termites were also placed into y-tube design composed of substrate-, food-, and empty-chambers and their movement pattern recorded using sensors and video. Results indicated that no-choice design can determine
aversion; four-choice design the most preferred wood; and two-choice design the fine details of preference ranking. The different consumption rate formulas did not influence results of the two-choice design. In the y-tube arenas, termites were observed
aggregated in one of three chambers independent of food location and displayed preference in movement between two chambers. Video observations illustrated that certain individuals traveled more frequently than others and three mass-movements involving
>50% of individuals moving from one chamber to another.
Subjects/Keywords: Reticulitermes; Bioassay; Feeding preference; Aggregation; Self-organization
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APA (6th Edition):
Lee, T. (2018). Bioassay with the subterranean termite reticulitermes; food preference and movement over four days in a y-tube, choice arena. (Thesis). University of Georgia. Retrieved from http://hdl.handle.net/10724/37402
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lee, Tae-Young. “Bioassay with the subterranean termite reticulitermes; food preference and movement over four days in a y-tube, choice arena.” 2018. Thesis, University of Georgia. Accessed January 18, 2021.
http://hdl.handle.net/10724/37402.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lee, Tae-Young. “Bioassay with the subterranean termite reticulitermes; food preference and movement over four days in a y-tube, choice arena.” 2018. Web. 18 Jan 2021.
Vancouver:
Lee T. Bioassay with the subterranean termite reticulitermes; food preference and movement over four days in a y-tube, choice arena. [Internet] [Thesis]. University of Georgia; 2018. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/10724/37402.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lee T. Bioassay with the subterranean termite reticulitermes; food preference and movement over four days in a y-tube, choice arena. [Thesis]. University of Georgia; 2018. Available from: http://hdl.handle.net/10724/37402
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Wisconsin – Milwaukee
10.
Morien, Rob.
Computational Modeling of Transient Processes During Run-In for Tribological Systems.
Degree: MS, Engineering, 2016, University of Wisconsin – Milwaukee
URL: https://dc.uwm.edu/etd/1393
► Understanding the frictional behavior of machine elements in mutual rolling or sliding contact is important for many engineering applications. When frictional sliding is initiated,…
(more)
▼ Understanding the frictional behavior of machine elements in mutual rolling or sliding contact is important for many engineering applications. When frictional sliding is initiated, the tribological system passes through several stages with each stage possessing its own unique frictional property. The initial transition process preceding stationary sliding is usually called “run-in”. During the run-in time interval, surface topographies of frictional contacts as well as lubricant distribution and surface tribofilms reorganize and adjust through asperity deformation and wear processes before reaching the steady state. This surface stability formed during run-in leads to an improvement in frictional performance during steady state operation, which increases equipment life and efficiency. Thus, understanding of the frictional transient process and optimizing the time schedule required for the run-in of equipment such as for aircraft engines and naval vessel gas turbines can lead to improved solutions for more desirable operating conditions for the lifetime of the equipment.
This thesis investigates the running-in of both lubricated and unlubricated frictional contact in order to gain insight into how friction changes during this time interval. For lubricated friction, it is shown that the surface topography and lubricating fluid goes through a
self-
organization process during run-in caused by frictional mechanisms that change the surface topography and removes fluid from the area of contact until friction and wear at the interface reaches its equilibrium value. For unlubricated friction, three common tribo-mechanical systems undergoing dry sliding during run-in are investigated: the pin-on-disk, a journal bearing, and a piston-cylinder system. Using computer simulation, a transient frictional response curve is presented for various frictional conditions in order to gain insight into how the frictional value changes during run-in. It is shown that adjustment of the static coefficient of friction can dramatically affect the response behavior with higher coefficient of friction values resulting in higher frictional forces and longer times to reach equilibrium, while smaller values shorten time to equilibrium and reduce frictional forces. These discoveries suggest seeking ways to optimize the materials in order to optimize the transient friction during run-in which are summarized in the conclusion.
Advisors/Committee Members: Michael Nosonovsky, Anoop Dhingra.
Subjects/Keywords: Friction; Self-Organization; Tribology; Wear; Mechanical Engineering
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APA (6th Edition):
Morien, R. (2016). Computational Modeling of Transient Processes During Run-In for Tribological Systems. (Thesis). University of Wisconsin – Milwaukee. Retrieved from https://dc.uwm.edu/etd/1393
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Morien, Rob. “Computational Modeling of Transient Processes During Run-In for Tribological Systems.” 2016. Thesis, University of Wisconsin – Milwaukee. Accessed January 18, 2021.
https://dc.uwm.edu/etd/1393.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Morien, Rob. “Computational Modeling of Transient Processes During Run-In for Tribological Systems.” 2016. Web. 18 Jan 2021.
Vancouver:
Morien R. Computational Modeling of Transient Processes During Run-In for Tribological Systems. [Internet] [Thesis]. University of Wisconsin – Milwaukee; 2016. [cited 2021 Jan 18].
Available from: https://dc.uwm.edu/etd/1393.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Morien R. Computational Modeling of Transient Processes During Run-In for Tribological Systems. [Thesis]. University of Wisconsin – Milwaukee; 2016. Available from: https://dc.uwm.edu/etd/1393
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Delft University of Technology
11.
Kuipers, Vera (author).
Fostering Democracy: Through integration, self-organization and facilitation in public space.
Degree: 2017, Delft University of Technology
URL: http://resolver.tudelft.nl/uuid:e82ef737-7a71-4fa6-88ef-45ebcb2de913
► This graduation project focuses on the opportunities within democracy to overcome inequality on social, economic and political aspects. The opportunities will be focused on changes…
(more)
▼ This graduation project focuses on the opportunities within democracy to overcome inequality on social, economic and political aspects. The opportunities will be focused on changes within public space. The research will start with an investigation of the starting point of the project. Then, the methodology used to come to the research results will explained. Thirdly, the evaluation of the research outcomes will be presented. This will be done through presenting the historic development of Brussels and an analysis of the democratic system in Brussels with its relation with public space. Lastly, conclusions & recommendations for the design will be constructed. These will be used as the startingpoint for part II of the graduation project, in the corresponding booklet.
Complex Cities
Advisors/Committee Members: Read, Stephen (mentor), van den Burg, Leo (mentor), Delft University of Technology (degree granting institution).
Subjects/Keywords: democracy; brussels; integration; self-organization; expression; equality
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APA (6th Edition):
Kuipers, V. (. (2017). Fostering Democracy: Through integration, self-organization and facilitation in public space. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:e82ef737-7a71-4fa6-88ef-45ebcb2de913
Chicago Manual of Style (16th Edition):
Kuipers, Vera (author). “Fostering Democracy: Through integration, self-organization and facilitation in public space.” 2017. Masters Thesis, Delft University of Technology. Accessed January 18, 2021.
http://resolver.tudelft.nl/uuid:e82ef737-7a71-4fa6-88ef-45ebcb2de913.
MLA Handbook (7th Edition):
Kuipers, Vera (author). “Fostering Democracy: Through integration, self-organization and facilitation in public space.” 2017. Web. 18 Jan 2021.
Vancouver:
Kuipers V(. Fostering Democracy: Through integration, self-organization and facilitation in public space. [Internet] [Masters thesis]. Delft University of Technology; 2017. [cited 2021 Jan 18].
Available from: http://resolver.tudelft.nl/uuid:e82ef737-7a71-4fa6-88ef-45ebcb2de913.
Council of Science Editors:
Kuipers V(. Fostering Democracy: Through integration, self-organization and facilitation in public space. [Masters Thesis]. Delft University of Technology; 2017. Available from: http://resolver.tudelft.nl/uuid:e82ef737-7a71-4fa6-88ef-45ebcb2de913
Louisiana State University
12.
Bordelon, Ashley E.
Examination of the Effects of the Homework, Organization, and Planning Skills (HOPS) Intervention on Undergraduate Students.
Degree: MA, Psychology, 2015, Louisiana State University
URL: etd-02082016-140401
;
https://digitalcommons.lsu.edu/gradschool_theses/3014
► Homework, organization, and time-management skills are often a source of stress for undergraduate students. The type of homework given, self-management skills, and planning skill level…
(more)
▼ Homework, organization, and time-management skills are often a source of stress for undergraduate students. The type of homework given, self-management skills, and planning skill level combine to contribute to student success in school. Previous research has shown that the Homework, Organization, and Planning Skills (HOPS) program has been successful with teaching these skills; however, research has focused on younger students. The purpose of the current study was to determine if the HOPS program was suitable for undergraduate students, based on pretest, posttest, and follow-up scores on the Learning and Study Strategies Inventory- Second Edition (LASSI) using a randomized waitlist control trial. The HOPS program was adjusted to focus on self-management skills. Results indicated that scores on the LASSI improved for students, with significant results for several scales. Limitations of the study and future directions for research are included.
Subjects/Keywords: self-management; HOPS; homework; organization; LASSI
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Manager
APA (6th Edition):
Bordelon, A. E. (2015). Examination of the Effects of the Homework, Organization, and Planning Skills (HOPS) Intervention on Undergraduate Students. (Masters Thesis). Louisiana State University. Retrieved from etd-02082016-140401 ; https://digitalcommons.lsu.edu/gradschool_theses/3014
Chicago Manual of Style (16th Edition):
Bordelon, Ashley E. “Examination of the Effects of the Homework, Organization, and Planning Skills (HOPS) Intervention on Undergraduate Students.” 2015. Masters Thesis, Louisiana State University. Accessed January 18, 2021.
etd-02082016-140401 ; https://digitalcommons.lsu.edu/gradschool_theses/3014.
MLA Handbook (7th Edition):
Bordelon, Ashley E. “Examination of the Effects of the Homework, Organization, and Planning Skills (HOPS) Intervention on Undergraduate Students.” 2015. Web. 18 Jan 2021.
Vancouver:
Bordelon AE. Examination of the Effects of the Homework, Organization, and Planning Skills (HOPS) Intervention on Undergraduate Students. [Internet] [Masters thesis]. Louisiana State University; 2015. [cited 2021 Jan 18].
Available from: etd-02082016-140401 ; https://digitalcommons.lsu.edu/gradschool_theses/3014.
Council of Science Editors:
Bordelon AE. Examination of the Effects of the Homework, Organization, and Planning Skills (HOPS) Intervention on Undergraduate Students. [Masters Thesis]. Louisiana State University; 2015. Available from: etd-02082016-140401 ; https://digitalcommons.lsu.edu/gradschool_theses/3014
Virginia Tech
13.
Arendt, Dustin Lockhart.
In Search of Self-Organization.
Degree: PhD, Computer Science and Applications, 2012, Virginia Tech
URL: http://hdl.handle.net/10919/26465
► Many who study complex systems believe that the complexity we observe in the world around us is frequently the product of a large number of…
(more)
▼ Many who study complex systems believe that the complexity we observe in the world around us is frequently the product of a large number of interactions between components following a simple rule. However, the task of discerning the rule governing the evolution of any given system is often quite difficult, requiring intuition, guesswork, and a great deal of expertise in that domain. To circumvent this issue, researchers have considered the inverse problem where one searches among many candidate rules to reveal those producing interesting behavior. This approach has its own challenges because the search space grows exponentially and interesting behavior is rare and difficult to rigorously define. Therefore, the contribution of this work includes tools and techniques for searching for dimer automaton rules that exhibit
self-
organization (the transformation of disorder into structure in the absence of centralized control). Dimer automata are simple, discrete, asynchronous rewriting systems that operate over the edges of an arbitrary graph. Specifically, these contributions include a number of novel, surprising, and useful applications of dimer automata, practical methods for measuring
self-
organization, advanced techniques for searching for dimer automaton rules, and two efficient GPU parallelizations of dimer automata to make searching and simulation more tractable.
Advisors/Committee Members: Cao, Yang (committeechair), Arthur, James D. (committee member), Ramakrishnan, Naren (committee member), Paul, Mark R. (committee member), Ribbens, Calvin J. (committee member).
Subjects/Keywords: Dimer Automata; Self-Organization; GPGPU; Complex Systems
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APA (6th Edition):
Arendt, D. L. (2012). In Search of Self-Organization. (Doctoral Dissertation). Virginia Tech. Retrieved from http://hdl.handle.net/10919/26465
Chicago Manual of Style (16th Edition):
Arendt, Dustin Lockhart. “In Search of Self-Organization.” 2012. Doctoral Dissertation, Virginia Tech. Accessed January 18, 2021.
http://hdl.handle.net/10919/26465.
MLA Handbook (7th Edition):
Arendt, Dustin Lockhart. “In Search of Self-Organization.” 2012. Web. 18 Jan 2021.
Vancouver:
Arendt DL. In Search of Self-Organization. [Internet] [Doctoral dissertation]. Virginia Tech; 2012. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/10919/26465.
Council of Science Editors:
Arendt DL. In Search of Self-Organization. [Doctoral Dissertation]. Virginia Tech; 2012. Available from: http://hdl.handle.net/10919/26465
University of Cincinnati
14.
Swaminathan, Karthikeyan.
Self-organized Formation of Geometric Patterns in
Multi-Robot Swarms Using Wireless Communication.
Degree: MS, Engineering : Electrical Engineering, 2005, University of Cincinnati
URL: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123200892
► The field of collective robotics exploits the use of technologically simple robots, deployed in large numbers, to collectively perform complex tasks. Here, the real challenge…
(more)
▼ The field of collective robotics exploits the use of
technologically simple robots, deployed in large numbers, to
collectively perform complex tasks. Here, the real challenge is in
developing simple algorithms, which the robots can execute
autonomously based on data from their vicinity to achieve global
behavior. Such systems are called
self-organized systems and have
numerous advantages over single sophisticated robots. In this
thesis, we focus on the problem of pattern formation, especially
circle formation, through
self-
organization in multi-robot systems.
In this regard, the Suzuki model of sensor-based multi-robot
systems is the most popular. However, their model assumes unlimited
visibility for the robots – a feature that is nearly
impossible to achieve in practice. To address this issue, we adopt
a communication-based model in which the robots interact through
explicit wireless communication but within a limited range.
Specific to this model, we present two novel decentralized
algorithms – the Batch Broadcast of Coordinates (BBC)
Algorithm and the Individual Broadcast of Coordinates (IBC)
Algorithm – for circle formation. The BBC algorithm is a
transitional method that leads from the circle formation algorithm
presented by Suzuki, Tanaka et al. (referred here as the Ideal
Algorithm) to the IBC algorithm. The IBC algorithm was analyzed and
found to be comparable in performance with the Ideal Algorithm and
to be highly robust to communication losses. The circle algorithm
was then employed as a means for solving other formation and
organization problems in the communication based multi-robots. This
involved identifying specific robots to achieve different geometric
patterns like lines, semicircles, triangles and squares, and to
divide the group into subgroups, which could then perform specific
group wise tasks. The algorithms that achieve these tasks are
entirely distributed and do not need any manual intervention. The
results from these studies are also presented.
Advisors/Committee Members: Minai, Dr. Ali (Advisor).
Subjects/Keywords: Swarms; Self-organization
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APA (6th Edition):
Swaminathan, K. (2005). Self-organized Formation of Geometric Patterns in
Multi-Robot Swarms Using Wireless Communication. (Masters Thesis). University of Cincinnati. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123200892
Chicago Manual of Style (16th Edition):
Swaminathan, Karthikeyan. “Self-organized Formation of Geometric Patterns in
Multi-Robot Swarms Using Wireless Communication.” 2005. Masters Thesis, University of Cincinnati. Accessed January 18, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123200892.
MLA Handbook (7th Edition):
Swaminathan, Karthikeyan. “Self-organized Formation of Geometric Patterns in
Multi-Robot Swarms Using Wireless Communication.” 2005. Web. 18 Jan 2021.
Vancouver:
Swaminathan K. Self-organized Formation of Geometric Patterns in
Multi-Robot Swarms Using Wireless Communication. [Internet] [Masters thesis]. University of Cincinnati; 2005. [cited 2021 Jan 18].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123200892.
Council of Science Editors:
Swaminathan K. Self-organized Formation of Geometric Patterns in
Multi-Robot Swarms Using Wireless Communication. [Masters Thesis]. University of Cincinnati; 2005. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123200892
University of New Mexico
15.
Bowers, Sophia M.
Mindfulness in the workplace: Mindful self-regulation.
Degree: Organization, Information & Learning Sciences, 2018, University of New Mexico
URL: https://digitalrepository.unm.edu/oils_etds/47
► Organizations are under pressure to perform and adapt to an ever-changing environment, creating stress on the employees, translating to direct and indirect costs to…
(more)
▼ Organizations are under pressure to perform and adapt to an ever-changing environment, creating stress on the employees, translating to direct and indirect costs to the
organization. Mindfulness is recognized as an effective approach to managing stress, and has benefits on cognition, attention, and well-being, but limited research has investigated how individuals integrate mindfulness into their workplaces, which is the purpose of this study. The primary research question in this study asked how mindfulness workplace practice help individuals to
self-regulate a) attention or thoughts, b) emotions, and c) both attention or thoughts and emotions and what the associated benefits are in mindfulness workplace practice. It also examined the barriers to mindfulness workplace practice and what can support it. This study addressed these questions through a qualitative exploratory approach using semi-structured interviews with working individuals who have a mindfulness practice (N=8). Each participant was interviewed three times for about thirty-minutes over a course of six to ten weeks. The interviews were transcribed and coded using descriptive and thematic codes to reduce, analyze and report the data. A major finding in this study was
self-regulation grounded specific mindfulness facets (non-judging, non-striving, acceptance, letting go) as foundational to the integration of mindfulness in the workplace. I defined this as mindful
self-regulation, and found that this fostered the ability to work mindfully. Additionally, the development of community as a grassroots effort encouraged the integration of mindfulness in the workplace. Barriers to mindfulness in the workplace included time, distractions, the work culture of ‘doing’, and systemic pressure to perform. Support mechanisms included having a space to formally practice mindfulness, developing a community to support mindfulness, and mindful leadership.
Advisors/Committee Members: Dr. Patricia Boverie, Dr. Vaness Svihla, Dr. Nick Flor, Dr. Fran Wilkinson.
Subjects/Keywords: Mindfulness; Workplace; Self-regulation; Mindful self-regulation; Agency; Organization Development
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APA (6th Edition):
Bowers, S. M. (2018). Mindfulness in the workplace: Mindful self-regulation. (Doctoral Dissertation). University of New Mexico. Retrieved from https://digitalrepository.unm.edu/oils_etds/47
Chicago Manual of Style (16th Edition):
Bowers, Sophia M. “Mindfulness in the workplace: Mindful self-regulation.” 2018. Doctoral Dissertation, University of New Mexico. Accessed January 18, 2021.
https://digitalrepository.unm.edu/oils_etds/47.
MLA Handbook (7th Edition):
Bowers, Sophia M. “Mindfulness in the workplace: Mindful self-regulation.” 2018. Web. 18 Jan 2021.
Vancouver:
Bowers SM. Mindfulness in the workplace: Mindful self-regulation. [Internet] [Doctoral dissertation]. University of New Mexico; 2018. [cited 2021 Jan 18].
Available from: https://digitalrepository.unm.edu/oils_etds/47.
Council of Science Editors:
Bowers SM. Mindfulness in the workplace: Mindful self-regulation. [Doctoral Dissertation]. University of New Mexico; 2018. Available from: https://digitalrepository.unm.edu/oils_etds/47
16.
Yadavali, Sagar Prasad.
Nanoscale pattern formation from laser induced thin film instabilities: Role of internal and external effects.
Degree: 2015, University of Tennessee – Knoxville
URL: https://trace.tennessee.edu/utk_graddiss/3380
► Pulsed laser assisted pattern formation in single and bilayer metal films was investigated in this dissertation. The overall goals were: (1) to overcome limitations in…
(more)
▼ Pulsed laser assisted pattern formation in single and bilayer metal films was investigated in this dissertation. The overall goals were: (1) to overcome limitations in conventional pulsed laser dewetting techniques, (2) to better understand the role of effects such as thermal gradients, dispersion forces, pressure gradients, and electric fields on pattern formation, and (3) to investigate nanostructure morphology and its progression in the dewetting of bilayer metal films. This study was divided into two parts. In the first part, pulsed laser-induced instabilities of single layer metal films was discussed. The spinodal dewetting of Au films, a novel Rayleigh-Taylor instability induced by pressure gradients, and the role of DC electric field on pattern formation is presented. In pulsed laser dewetting of Au, the trend in particle spacing and diameter was consistent with the predictions of classical spinodal dewetting theory. The early stage dewetting morphology changed from bicontinuous structures to hole like, and thermal gradient forces were found to be significantly weaker than dispersive forces in Au. Next, we showed through experiment and theory that nanoscale Rayleigh-Taylor instabilities can be seen in thin metal films. This instability was a result of pressure gradients developed when Au films were melted inside a bulk fluid like glycerol. One of the primary findings in this pattern formation was that the spacing of the nanoparticles was independent of the film thickness and could be tuned by the magnitude of the pressure gradients. Finally, we concluded this part by presenting the discovery of phase array self assembly of metallic nanoparticles under the application of a DC electric (E) field. In the second part, the morphology evolution under pulsed laser dewetting of a bilayer of the immiscible metals Ag and Co was investigated. We found multiple transitions in morphology for bilayers and correlated these transitions with an experimentally constructed dewetting morphology phase diagram. Finally, the role of thermal gradients was assessed in the formation of a variety of bimetal nanostructure. Work by our collaborator using computational non-linear dynamics showed that different nanoscale morphologies such as core-shell, embedded, or stacked cases could be formed in the Co-Ag system.
Subjects/Keywords: Nanostructures; Gold; metal dewetting; Laser; self organization; self assembly; Chemical Engineering
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APA (6th Edition):
Yadavali, S. P. (2015). Nanoscale pattern formation from laser induced thin film instabilities: Role of internal and external effects. (Doctoral Dissertation). University of Tennessee – Knoxville. Retrieved from https://trace.tennessee.edu/utk_graddiss/3380
Chicago Manual of Style (16th Edition):
Yadavali, Sagar Prasad. “Nanoscale pattern formation from laser induced thin film instabilities: Role of internal and external effects.” 2015. Doctoral Dissertation, University of Tennessee – Knoxville. Accessed January 18, 2021.
https://trace.tennessee.edu/utk_graddiss/3380.
MLA Handbook (7th Edition):
Yadavali, Sagar Prasad. “Nanoscale pattern formation from laser induced thin film instabilities: Role of internal and external effects.” 2015. Web. 18 Jan 2021.
Vancouver:
Yadavali SP. Nanoscale pattern formation from laser induced thin film instabilities: Role of internal and external effects. [Internet] [Doctoral dissertation]. University of Tennessee – Knoxville; 2015. [cited 2021 Jan 18].
Available from: https://trace.tennessee.edu/utk_graddiss/3380.
Council of Science Editors:
Yadavali SP. Nanoscale pattern formation from laser induced thin film instabilities: Role of internal and external effects. [Doctoral Dissertation]. University of Tennessee – Knoxville; 2015. Available from: https://trace.tennessee.edu/utk_graddiss/3380
University of Southern California
17.
Khani, Newsha.
Dynamic social structuring in cellular self-organizing
systems.
Degree: PhD, Mechanical Engineering, 2015, University of Southern California
URL: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/533197/rec/2132
► Conventional mechanical systems composed of various modules and parts are often inherently inadequate for dealing with unpredictable changing situations. Taking advantage of the flexibility of…
(more)
▼ Conventional mechanical systems composed of various
modules and parts are often inherently inadequate for dealing with
unpredictable changing situations. Taking advantage of the
flexibility of multi‐agent systems, a cellular self‐organizing
(CSO) systems approach has been proposed, in which mechanical cells
or agents self‐organize as the environment and tasks change based
on a set of predefined rules. To enable CSO systems to deal with
more realistic tasks, a two‐field mechanism is introduced to
describe task and agent complexities and to investigate how social
rules among agents can influence CSO system performance with
increasing task complexity. A ""by emergence"" approach is
presented to guide self‐
organization in the system. Besides
allowing agents to follow the attractors of their perceived task
fields, the concept of ""social structure"" is introduced to
capture explicit and direct interactions among agents and apply
""social rules"" to facilitate dynamical social structuring among
agents. To further increase the level of order, a decision
mechanism is proposed for agents to correlate their actions for
better overall system performance. Proper interactions of mCells
lead to the emergence of social structures that are closely
interrelated with the task specifications. The simulation results
of case studies based on the proposed mechanism provide insights
into task‐driven dynamic structures and their effect on the
behavior, and consequently the function, of CSO systems. In order
to gain detail understanding and explore interplay between task and
social structuring components, I investigated different aspect of
social structuring including the impact of the population size,
specificity of rules and rule adoption rate on the system
performance.
Advisors/Committee Members: Jin, Yan (Committee Chair), Flashner, Henryk (Committee Member), Shiflett, Geoffrey R. (Committee Member), Meshkati, Najmedin (Committee Member).
Subjects/Keywords: self‐organization; design synthesis; entropy; complexity; complex systems; intelligence; social structuring; organization; social field
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MLA ·
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CSE |
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APA (6th Edition):
Khani, N. (2015). Dynamic social structuring in cellular self-organizing
systems. (Doctoral Dissertation). University of Southern California. Retrieved from http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/533197/rec/2132
Chicago Manual of Style (16th Edition):
Khani, Newsha. “Dynamic social structuring in cellular self-organizing
systems.” 2015. Doctoral Dissertation, University of Southern California. Accessed January 18, 2021.
http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/533197/rec/2132.
MLA Handbook (7th Edition):
Khani, Newsha. “Dynamic social structuring in cellular self-organizing
systems.” 2015. Web. 18 Jan 2021.
Vancouver:
Khani N. Dynamic social structuring in cellular self-organizing
systems. [Internet] [Doctoral dissertation]. University of Southern California; 2015. [cited 2021 Jan 18].
Available from: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/533197/rec/2132.
Council of Science Editors:
Khani N. Dynamic social structuring in cellular self-organizing
systems. [Doctoral Dissertation]. University of Southern California; 2015. Available from: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/533197/rec/2132
18.
Gillen, Edward.
An Intrinsic Case Study Of The Experiences Of Naval Officers' Leadership Development.
Degree: EdD, School of Education, 2019, Northeastern University
URL: http://hdl.handle.net/2047/D20316539
► This qualitative, intrinsic case study explored the most important leadership experiences mid-career officers had in the Navy, and whether these experiences connect with the Navy's…
(more)
▼ This qualitative, intrinsic case study explored the most important leadership experiences mid-career officers had in the Navy, and whether these experiences connect with the Navy's leadership development programs, or frameworks (formal schooling, on-the-job training and experience, and self-guided education). Applying research questions framed using the lens of authentic leadership theory, participants' revealed that they principally learned about Navy leadership through on-the-job experiences. Early Navy leadership development was considered too administrative and bureaucratic; and offered little individual development. Later Navy leadership education addressed this need, but this was deemed to be too late. Participants' descriptions of their leadership styles consisted of the four constructs of authentic leadership, without instruction in the theory itself. Participants felt the Navy should try to improve sailors' moral and professional ethics (character), but some believed the Navy's climate and culture make it difficult to do so. This study added to the authentic leadership literature while also addressing the research gap in Navy officer leadership development. There is a need to better understand Navy leadership development longitudinally, and to examine the current content of early leadership courses. Additionally, paying more attention to authentic followership is recommended. Suggestions for theory included a more explicit emphasis on the role of experience and active reflection in the authentic leadership model and recognizing the cyclical and cumulative experiential/informal leadership learning cycle in it. Suggestions for practice were offered including adding ethical fitness to the FITREP (performance management) system and addressing toxic leaders. Study results argue for the inclusion of authentic leadership theory and its focus on moral decision-making in the Navy's formal leadership development programs. It aligns well with the Navy's stated goals of improving the competence and character of all sailors. Findings also accentuate the importance of providing a continuum of challenging experiences for Navy leadership development coupled with quality feedback and fostering the practice in officers of intentionally reflecting on those experiences. Keywords: authentic leadership, critical thinking, feedback, leadership, moral component of authentic leadership, professional military education, reflection, self- awareness, self-regulation
Subjects/Keywords: authentic leadership; leadership; professional military education; reflection; self-awareness; self-regulation; Organizational behavior; Organization theory
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Gillen, E. (2019). An Intrinsic Case Study Of The Experiences Of Naval Officers' Leadership Development. (Doctoral Dissertation). Northeastern University. Retrieved from http://hdl.handle.net/2047/D20316539
Chicago Manual of Style (16th Edition):
Gillen, Edward. “An Intrinsic Case Study Of The Experiences Of Naval Officers' Leadership Development.” 2019. Doctoral Dissertation, Northeastern University. Accessed January 18, 2021.
http://hdl.handle.net/2047/D20316539.
MLA Handbook (7th Edition):
Gillen, Edward. “An Intrinsic Case Study Of The Experiences Of Naval Officers' Leadership Development.” 2019. Web. 18 Jan 2021.
Vancouver:
Gillen E. An Intrinsic Case Study Of The Experiences Of Naval Officers' Leadership Development. [Internet] [Doctoral dissertation]. Northeastern University; 2019. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/2047/D20316539.
Council of Science Editors:
Gillen E. An Intrinsic Case Study Of The Experiences Of Naval Officers' Leadership Development. [Doctoral Dissertation]. Northeastern University; 2019. Available from: http://hdl.handle.net/2047/D20316539
University of Pennsylvania
19.
Partridge, Benjamin Edward.
Structural Aspects Of The Supramolecular Helical Polymerization Of Self-Assembling Benzyl Ether Dendrons.
Degree: 2018, University of Pennsylvania
URL: https://repository.upenn.edu/edissertations/3169
► Function in complex biological and non-biological supramolecular assemblies is determined by structure. Nature programs a primary structure, such as an amino acid sequence, with all…
(more)
▼ Function in complex biological and non-biological supramolecular assemblies is determined by structure. Nature programs a primary structure, such as an amino acid sequence, with all necessary information to undergo hierarchical self-assembly to generate functional constructs such as proteins. Self-assembling benzyl ether dendrons provide a similar platform to program hierarchical self-assembly in synthetic soft matter and self-organize into a variety of functional periodic arrays, including columnar hexagonal phases and 3D phases generated from spheres such as body-centered cubic and Pm3n cubic, known also as Frank-Kasper A15. Understanding the structure of these supramolecular objects and their assembly is critical for the design of additional functional assemblies and materials with technological applications. This work examines the synthesis and structural aspects of the self-assembly of various dendronized building blocks, including perylene bisimides (PBIs), naphthalene bisimides, cyclotriveratrylenes (CTV), cyclotetraveratrylenes (CTTV), and Janus glycodendrimers. Structural and retrostructural analysis by combination of techniques including differential scanning calorimetry, oriented fiber X-ray diffraction (XRD), molecular modeling, reconstruction of electron density, simulation of XRD, circular dichroism spectroscopy, and solid state NMR reveals: (1) decreasing molecular order provides increased supramolecular order in assemblies of tetrachlorinated PBIs; (2) a supramolecular double helix assembled from chiral PBIs displays identical single crystal-like order irrespective of molecular chirality, rationalized by the cogwheel model; (3) defining the sequence and composition of dendrons modulates the cogwheel assembly of dendronized PBIs; (4) dendronized PBI and CTV assemble according to an unprecedented columns-from-spheres model; (5) supramolecular spheres of dendronized CTTV are chiral; (6) the transition between a columnar array and a cubic array can provide supramolecular orientational memory in which columnar domains are reoriented according to the directions of the preceding cubic phase; (7) sugar moieties on the surface of synthetic cell membrane mimics segregate to generate lamellar and hexagonal nanomorphologies. In summary, the structural aspects underpinning multiple events in supramolecular self-assembly have been elaborated and are expected to inform the design of additional functional assemblies and materials.
Subjects/Keywords: Chirality; Dendrimers; Dendrons; Self-assembly; Self-organization; Supramolecular; Chemistry; Mechanics of Materials
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APA ·
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MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Partridge, B. E. (2018). Structural Aspects Of The Supramolecular Helical Polymerization Of Self-Assembling Benzyl Ether Dendrons. (Thesis). University of Pennsylvania. Retrieved from https://repository.upenn.edu/edissertations/3169
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Partridge, Benjamin Edward. “Structural Aspects Of The Supramolecular Helical Polymerization Of Self-Assembling Benzyl Ether Dendrons.” 2018. Thesis, University of Pennsylvania. Accessed January 18, 2021.
https://repository.upenn.edu/edissertations/3169.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Partridge, Benjamin Edward. “Structural Aspects Of The Supramolecular Helical Polymerization Of Self-Assembling Benzyl Ether Dendrons.” 2018. Web. 18 Jan 2021.
Vancouver:
Partridge BE. Structural Aspects Of The Supramolecular Helical Polymerization Of Self-Assembling Benzyl Ether Dendrons. [Internet] [Thesis]. University of Pennsylvania; 2018. [cited 2021 Jan 18].
Available from: https://repository.upenn.edu/edissertations/3169.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Partridge BE. Structural Aspects Of The Supramolecular Helical Polymerization Of Self-Assembling Benzyl Ether Dendrons. [Thesis]. University of Pennsylvania; 2018. Available from: https://repository.upenn.edu/edissertations/3169
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
NSYSU
20.
Liu, Chu-wei.
The Effects of Newcomerâs Person-Organization fit on Organizational Commitmentï¼The Cases of High-Tech Industry.
Degree: Master, Human Resource Management, 2009, NSYSU
URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0904109-015641
► A lot of scholars has researched on the âPerson-Organization fitâ for the general concept discussion, but most of P-O fit focus on the goal, value,…
(more)
▼ A lot of scholars has researched on the âPerson-
Organization fitâ for the general concept discussion, but most of P-O fit focus on the goal, value, culture of
organization if it can attract some different kinds of persons and affect the choice of selecting job. The study wants to further research on when the P-O fit candidate enters in the company, whether the organizational commitment will interference with
self-monitoring and perceived organizational support or not. For High-Tech industry plays most important role of economics grows; therefore, the study is focus on the newcomer of High-Tech industry to research if the
self-monitoring and perceived organizational support affects P-O fit on organizational commitment or not and hope it may help companies enhance the competition ability. There are two main purposes of this study; one is to understand the effect of P-O fit on organizational commitment, another is to understand the interference effect with
self-monitoring and perceived organizational support on P-O fit and
organization commitment.
The study is using the 25 items of P-O fit questionnaire which simplified by Ke-Wei Wu(2008), choosing the newcomer of High-Tech industry to be test sample, the total number of issuing questionnaire are 160, the number of retrieve are 138(the retrieve rate is 86.25%), and the number of valid are 132. The study uses the correlation and regression analysis of SPSS to examine, finding out the result ofï¼
1.
Self-monitoring has negative interference effect with P-O fit on retention commitment; it means the level of
self-monitoring will interference the level of P-O fit on retention commitment.
2.Perceived organizational support has no positive interference effect with P-O fit on organizational commitment; it means the level of P-O fit on organizational commitment will not interference with the perceived organizational support.
Advisors/Committee Members: Shyh-jer Chen (chair), Shyh-jer Chen (chair), Shu-ling Wu (committee member), Jin-feng Uen (committee member).
Subjects/Keywords: person-organization fit; organizational commitment; self-monitoring; perceived organizational support
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APA ·
Chicago ·
MLA ·
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CSE |
Export
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Manager
APA (6th Edition):
Liu, C. (2009). The Effects of Newcomerâs Person-Organization fit on Organizational Commitmentï¼The Cases of High-Tech Industry. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0904109-015641
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Liu, Chu-wei. “The Effects of Newcomerâs Person-Organization fit on Organizational Commitmentï¼The Cases of High-Tech Industry.” 2009. Thesis, NSYSU. Accessed January 18, 2021.
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0904109-015641.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Liu, Chu-wei. “The Effects of Newcomerâs Person-Organization fit on Organizational Commitmentï¼The Cases of High-Tech Industry.” 2009. Web. 18 Jan 2021.
Vancouver:
Liu C. The Effects of Newcomerâs Person-Organization fit on Organizational Commitmentï¼The Cases of High-Tech Industry. [Internet] [Thesis]. NSYSU; 2009. [cited 2021 Jan 18].
Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0904109-015641.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Liu C. The Effects of Newcomerâs Person-Organization fit on Organizational Commitmentï¼The Cases of High-Tech Industry. [Thesis]. NSYSU; 2009. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0904109-015641
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universiteit Utrecht
21.
Affourtit, M.
The reversed fair process effect: Appraisal of attribution and differences between immigrants and non-immigrants.
Degree: 2008, Universiteit Utrecht
URL: http://dspace.library.uu.nl:8080/handle/1874/29584
► In general people are more satisfied when they are treated fairly. The reversed fair process effect states that, in face of a negative outcome this…
(more)
▼ In general people are more satisfied when they are treated fairly. The reversed fair process effect states that, in face of a negative outcome this reverses. An inaccurate procedure provides an external attribution factor to which the failure can be attributed. This study looked into the effect of evaluative pressure and origin on the reversed fair process effect. Also the effect of suggested discrimination was examined. This study incorporated a measurement of attribution to examine its role within the reversed fair process effect.
Results showed reversal indeed works through attribution, and is most likely to occur on (state)
self-esteem. Furthermore important differences were found between immigrants and non-immigrants That is, whereas reversal was observed in non-immigrants this did not occur for immigrants. And also, Immigrants only attributed failure to themselves when they were evaluated based on their background and the procedure was accurate.
Advisors/Committee Members: Bosch, Kees van den.
Subjects/Keywords: Sociale Wetenschappen; Reversed fair process effect; immigrant; organization; self-esteem
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MLA ·
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CSE |
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APA (6th Edition):
Affourtit, M. (2008). The reversed fair process effect: Appraisal of attribution and differences between immigrants and non-immigrants. (Masters Thesis). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/29584
Chicago Manual of Style (16th Edition):
Affourtit, M. “The reversed fair process effect: Appraisal of attribution and differences between immigrants and non-immigrants.” 2008. Masters Thesis, Universiteit Utrecht. Accessed January 18, 2021.
http://dspace.library.uu.nl:8080/handle/1874/29584.
MLA Handbook (7th Edition):
Affourtit, M. “The reversed fair process effect: Appraisal of attribution and differences between immigrants and non-immigrants.” 2008. Web. 18 Jan 2021.
Vancouver:
Affourtit M. The reversed fair process effect: Appraisal of attribution and differences between immigrants and non-immigrants. [Internet] [Masters thesis]. Universiteit Utrecht; 2008. [cited 2021 Jan 18].
Available from: http://dspace.library.uu.nl:8080/handle/1874/29584.
Council of Science Editors:
Affourtit M. The reversed fair process effect: Appraisal of attribution and differences between immigrants and non-immigrants. [Masters Thesis]. Universiteit Utrecht; 2008. Available from: http://dspace.library.uu.nl:8080/handle/1874/29584
Universiteit Utrecht
22.
Kohn, G.M.
Collective anti-predatory behaviour in animals groups.
Degree: 2009, Universiteit Utrecht
URL: http://dspace.library.uu.nl:8080/handle/1874/36743
► The collective behaviour of animal groups serves to reduce the risk of predation to individuals. By joining a group individuals remain in close proximity to…
(more)
▼ The collective behaviour of animal groups serves to reduce the risk of predation to individuals. By joining a group individuals remain in close proximity to others which reduces the risk of predation. Groups can also afford benefits by allowing for early detection of predators. During predatory attacks groups may confuse or deter predators by making it difficult for single individuals to be targeted. The mechanisms underlying many aspects of collective behaviour in response to predation are not well known. Here we review the models and studies of collective responses to predation and propose some underlying mechanisms for collective detection, evasion and communication about predators. In foraging flocks collective detection benefits individuals by providing them earlier detection of predators then when alone. Vigilance behaviour of neighboring individuals is copied. The amount of individuals displaying vigilant behaviour reaches a threshold level where the group initiates escape behaviors. Therefore predators raise vigilance levels and allow individuals to detect and escape predation earlier. Predators also attack free flying or free swimming groups. Here information about the location fo the predator may be spread through agitation wave. These waves of changing density have been shown the orient individual group members towards the location of the predator. These waves may also serve to confuse a predation attempt by making it harder for a predator to single out an individual within the group. Often prey species possess highly reflective feather or scale which reflect waves of light during agitation wave propagation, which may in turn further the confusion effect. In addition to performing waves free flying / swimming groups also exhibit consistent flocking patterns. These patterns have been shown reflect the level of predation risk experienced at certain areas. It is possible that flocking patterns represent honest signals of environmental conditions and may therefore serve as communication becons to other groups. Findings that neighboring groups tend to copy flocking patterns lends some support for this, albeit its mechanisms are unknown. However all aspects of collective behaviour involve groups moving and making decisions as a coordinated whole. Collective anti-predatory behaviour could be caused through individual threshold responses leading feeding back to collective group level behavior. In all situations individual responses to the presence or attack of a predator reaches a certain level when positive feedback , through coping neighboring behaviors, spreads this behaviour through the entire group. This process allows groups to make informed and accurate decision when detecting, evading and communicating about predators.
Advisors/Committee Members: Carere, Claudio.
Subjects/Keywords: Geneeskunde; collective behaviour, vigilance, anti-predatory behaviour, starlings, self organization
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APA ·
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MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kohn, G. M. (2009). Collective anti-predatory behaviour in animals groups. (Masters Thesis). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/36743
Chicago Manual of Style (16th Edition):
Kohn, G M. “Collective anti-predatory behaviour in animals groups.” 2009. Masters Thesis, Universiteit Utrecht. Accessed January 18, 2021.
http://dspace.library.uu.nl:8080/handle/1874/36743.
MLA Handbook (7th Edition):
Kohn, G M. “Collective anti-predatory behaviour in animals groups.” 2009. Web. 18 Jan 2021.
Vancouver:
Kohn GM. Collective anti-predatory behaviour in animals groups. [Internet] [Masters thesis]. Universiteit Utrecht; 2009. [cited 2021 Jan 18].
Available from: http://dspace.library.uu.nl:8080/handle/1874/36743.
Council of Science Editors:
Kohn GM. Collective anti-predatory behaviour in animals groups. [Masters Thesis]. Universiteit Utrecht; 2009. Available from: http://dspace.library.uu.nl:8080/handle/1874/36743
Universiteit Utrecht
23.
Doeschate, A.M.M. ten.
Transverse finger bars at Gold Coast, Australia.
Degree: 2012, Universiteit Utrecht
URL: http://dspace.library.uu.nl:8080/handle/1874/253636
► Sandy beaches worldwide often display pronounced morphological features, such as crescentic bars, rip channels and beach cusps. Sometimes also a less well known pattern of…
(more)
▼ Sandy beaches worldwide often display pronounced morphological features, such as crescentic bars, rip channels and beach cusps. Sometimes also a less well known pattern of transverse finger bars develops. These bars are relatively small, attached to the inner bar or the shoreline, and have in general an oblique orientation. Four years of time-exposure images permit to study the occurrence of transverse finger bars in the surf zone of a beach on the Gold Coast, East Australia. Transverse finger bars are thus observed to occur here on 24% of the study period. The finger bars occur in patches of 3 to 15 bars, with an average transverse finger bar event duration of 5 days. The presence of bars is related to intermediate energy wave conditions. When the offshore wave height is higher than 1.2m., transverse finger bars are never observed. In the majority of the cases, the crests of the transverse finger bars point against the direction of the incoming waves: up-current oriented bars. The hypothesis that, apart from the wave conditions, also the overall morphology of the nearshore zone is of influence to transverse finger bar development, is tested by looking to the shape of the shore parallel bars at the time of transverse finger bar occurrence. It is shown that finger bar occurrence is often coinciding with a state of the shore parallel bars that reflects low to intermediate energy conditions. A morphodynamic model has as well been applied to investigate the Gold Coast transverse finger bars. This model describes
self-
organization processes in the nearshore zone: the feedback between waves, breakers, depth-averaged currents and bed evolution. The model proved capable of describing the initial growth of up-current transverse finger bars, with characterstics corresponding well to the observations. The model has been used to study the mechansm of transverse finger bar growth. It explains why only waves with a minimal offshore angle of 20 degrees with respect to the shore normal, and an intermediate height promote transverse finger bar growth. The longshore current is found to be the main factor controlling transverse finger bar formation, although also the effect of the turbulent sediment resuspension by the rollers formed on wave breaking plays a role.
Advisors/Committee Members: Swart, H.E. de, Ruessink, B.G., Ribas, C..
Subjects/Keywords: Transverse finger bars; self-organization; coastal morphodynamics; Gold Coast
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APA ·
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MLA ·
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Export
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Manager
APA (6th Edition):
Doeschate, A. M. M. t. (2012). Transverse finger bars at Gold Coast, Australia. (Masters Thesis). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/253636
Chicago Manual of Style (16th Edition):
Doeschate, A M M ten. “Transverse finger bars at Gold Coast, Australia.” 2012. Masters Thesis, Universiteit Utrecht. Accessed January 18, 2021.
http://dspace.library.uu.nl:8080/handle/1874/253636.
MLA Handbook (7th Edition):
Doeschate, A M M ten. “Transverse finger bars at Gold Coast, Australia.” 2012. Web. 18 Jan 2021.
Vancouver:
Doeschate AMMt. Transverse finger bars at Gold Coast, Australia. [Internet] [Masters thesis]. Universiteit Utrecht; 2012. [cited 2021 Jan 18].
Available from: http://dspace.library.uu.nl:8080/handle/1874/253636.
Council of Science Editors:
Doeschate AMMt. Transverse finger bars at Gold Coast, Australia. [Masters Thesis]. Universiteit Utrecht; 2012. Available from: http://dspace.library.uu.nl:8080/handle/1874/253636
24.
Castro, Mariana Pereira de.
A auto-organização feminista como processo de aprendizagem coletiva: a experiência da Rede Xique-Xique.
Degree: Mestrado, Educação, 2014, University of São Paulo
URL: http://www.teses.usp.br/teses/disponiveis/48/48134/tde-22102014-132338/
;
► Esta pesquisa apresenta um estudo de caso cujo objetivo é descrever os saberes produzidos no processo de auto-organização de grupos de mulheres da Rede Xique-Xique…
(more)
▼ Esta pesquisa apresenta um estudo de caso cujo objetivo é descrever os saberes produzidos no processo de auto-organização de grupos de mulheres da Rede Xique-Xique de Comercialização Solidária, nos municípios de Mossoró, Upanema, Governador Dix-Sept Rosado, Baraúna, Grossos, Tibau e Apodi, no estado do Rio Grande do Norte. Trata-se de uma análise sócio histórica e econômica das categorias discursivas de termos como \'mulheres\', \'trabalho, \'famíliaé \'história\', assim como da capacidade de transformação social que estes saberes apresentam. A pesquisa de campo foi guiada essencialmente pelo método da observação participante, com procedimentos aplicados pelo método biográfico, mais especificamente pela história de vida. Sobre a coleta dos dados, foram realizadas 11 entrevistas individuais com as mulheres dos grupos auto-organizados; uma entrevista com a coordenadora do CF8 e uma entrevista coletiva, na qual estavam presentes mulheres participantes de seis grupos da região. Além das entrevistas, foram realizadas visitas aos grupos produtivos, participação em reuniões e seminários promovidos pela Rede Xique-Xique ou instituições parceiras. Para analisar todos os dados registrados, as entrevistas foram transcritas e categorizadas. A análise foi realizada a partir do objetivo apresentado e da referenciação das categorias supracitadas, com o auxílio do Software NVivo10. Nesse sentido, foi possível descrever e apreender que o processo de auto-organização dessas mulheres permite a construção de um ato comunicativo entre estas, que por sua vez possibilita a produção de saberes. Esse ato comunicativo torna-se emancipatório na medida em que se caracteriza como uma prática constante de autorreflexão a respeito dos efeitos da organização produtiva autogerida e contribui assim com a transformação de vida dessas mulheres. Sobre a estrutura textual do presente trabalho, a dissertação está dividida em três capítulos. O primeiro capítulo trata da descrição dos aspectos sócio históricos do estado do Rio Grande do Norte e sua relação constitutiva com a ação atual da Rede Xique-Xique. O capítulo dois descreve a estrutura de princípios ou pilares que sustentam a prática da Rede: agroecologia, economia solidária e feminismo. No capítulo três, com base nas categorias discursivas propostas, analiso as histórias de vidas das mulheres entrevistadas durante o trabalho de campo. Por fim, as considerações finais são apresentadas.
This research presents a case study which aims to describe the knowledge produced in the process of self-organizing groups of women Xique-Xique Network Marketing Partnership located in Mossoró, Upanema, Governador Dix-Sept Rosado, Baraúna, Grossos, Tibau e Apodi in the state of Rio Grande do Norte. It is a historical and socioeconomic analysis of the discursive categories of terms such as \'women\', \'work\', \'familyánd \'history\', as well as the ability to social transformation this knowledge presents. The field research was guided essentially by the method of participant observation with procedures applied…
Advisors/Committee Members: Kruppa, Sonia Maria Portella.
Subjects/Keywords: Associated labor; Auto-organização; Mulheres; Self-organization; Trabalho Associado; Women
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APA (6th Edition):
Castro, M. P. d. (2014). A auto-organização feminista como processo de aprendizagem coletiva: a experiência da Rede Xique-Xique. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/48/48134/tde-22102014-132338/ ;
Chicago Manual of Style (16th Edition):
Castro, Mariana Pereira de. “A auto-organização feminista como processo de aprendizagem coletiva: a experiência da Rede Xique-Xique.” 2014. Masters Thesis, University of São Paulo. Accessed January 18, 2021.
http://www.teses.usp.br/teses/disponiveis/48/48134/tde-22102014-132338/ ;.
MLA Handbook (7th Edition):
Castro, Mariana Pereira de. “A auto-organização feminista como processo de aprendizagem coletiva: a experiência da Rede Xique-Xique.” 2014. Web. 18 Jan 2021.
Vancouver:
Castro MPd. A auto-organização feminista como processo de aprendizagem coletiva: a experiência da Rede Xique-Xique. [Internet] [Masters thesis]. University of São Paulo; 2014. [cited 2021 Jan 18].
Available from: http://www.teses.usp.br/teses/disponiveis/48/48134/tde-22102014-132338/ ;.
Council of Science Editors:
Castro MPd. A auto-organização feminista como processo de aprendizagem coletiva: a experiência da Rede Xique-Xique. [Masters Thesis]. University of São Paulo; 2014. Available from: http://www.teses.usp.br/teses/disponiveis/48/48134/tde-22102014-132338/ ;
25.
Joanni, Edson.
Auto-organização interfacial durante a eletrodeposição de ligas Cu-Sn em regime oscilatório.
Degree: Mestrado, Físico-Química, 2007, University of São Paulo
URL: http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11052007-094644/
;
► A emergência de estruturas espaço-temporais auto-organizadas em sistemas químicos abertos e afastados do estado de equilíbrio termodinâmico resulta da cooperação entre os processos de reação…
(more)
▼ A emergência de estruturas espaço-temporais auto-organizadas em sistemas químicos abertos e afastados do estado de equilíbrio termodinâmico resulta da cooperação entre os processos de reação e transporte de espécies ativas e tem se tornado uma área de intensa atividade nos últimos anos. Auto-organização dinâmica na interface sólido/líquido durante a eletrodeposição de Cu-Sn em regime oscilatório é o tema central do presente trabalho. O sistema estudado consistiu da co-eletrodeposição de cobre e estanho sobre eletrodo de ouro policristalino na presença do surfactante Triton X-100. Instabilidades temporais na forma de oscilações de corrente sob controle potenciostático resultantes da presença de uma região de resistência diferencial negativa no perfil voltamétrico têm sido experimentalmente observadas nesse sistema. Acompanhando essas oscilações de corrente há uma deposição intercalada em multicamadas de diferentes composições (basicamente Cu e CuSn), espessuras e morfologias. Especificamente foram estudadas neste trabalho a variedade dinâmica (i.e., o formato e escala de tempo das oscilações de corrente) e a estrutura e composição dos eletrodepósitos formados. Esse estudo tomou como base o mapeamento das regiões de instabilidade no plano (resistência externa, Rext) x (voltagem aplicada, U) sob diferentes concentrações das espécies eletroativas. Curvas de polarização foram obtidas por meio de experimentos quasi-estacionários de varredura catódica a baixas velocidades. De posse do conhecimento da localização das regiões nas quais oscilações de corrente foram observadas, experimentos estacionários foram realizados, e a morfologia e composição dos depósitos foram investigadas ex-situ por meio de microscopia eletrônica de varredura (MEV) e EDX, respectivamente.
The study of the dynamics self-organization on the solid/liquid interface during the co-electro deposition of copper and tin in the presence of adsorbed surfactant was carried out. Temporal instabilities in form of current oscillations under potentiostatic control resulted from the presence of a negative differential resistance in the voltametric profile has been reported in this system. The electro deposits obtained by this oscillatory regimen exhibit layer-by-layer structure with different compositions of Cu-Sn alloys. In the present work current density (j) versus potential(U) curves and j versus time (t) curves were recorded for the co-electro depositions under a series of external resistances (Rext) and polarization potentials. The characterization of the films were carried out by scanning electron microscope (SEM) and energy dispersive x-ray (EDX) analysis. The results confirm that for different values of external resistance and polarization potentials different compositions of the electro deposited Cu-Sn alloys were obtained.
Advisors/Committee Members: Gonzalez, Ernesto Rafael.
Subjects/Keywords: auto-organização; electrochemical oscillators; eletrodeposição; osciladores; self-organization
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Joanni, E. (2007). Auto-organização interfacial durante a eletrodeposição de ligas Cu-Sn em regime oscilatório. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11052007-094644/ ;
Chicago Manual of Style (16th Edition):
Joanni, Edson. “Auto-organização interfacial durante a eletrodeposição de ligas Cu-Sn em regime oscilatório.” 2007. Masters Thesis, University of São Paulo. Accessed January 18, 2021.
http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11052007-094644/ ;.
MLA Handbook (7th Edition):
Joanni, Edson. “Auto-organização interfacial durante a eletrodeposição de ligas Cu-Sn em regime oscilatório.” 2007. Web. 18 Jan 2021.
Vancouver:
Joanni E. Auto-organização interfacial durante a eletrodeposição de ligas Cu-Sn em regime oscilatório. [Internet] [Masters thesis]. University of São Paulo; 2007. [cited 2021 Jan 18].
Available from: http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11052007-094644/ ;.
Council of Science Editors:
Joanni E. Auto-organização interfacial durante a eletrodeposição de ligas Cu-Sn em regime oscilatório. [Masters Thesis]. University of São Paulo; 2007. Available from: http://www.teses.usp.br/teses/disponiveis/75/75131/tde-11052007-094644/ ;
University of Michigan
26.
Atwell, Jonathan.
The Role of Niche Signals in Self-organization in Society.
Degree: PhD, Sociology, 2017, University of Michigan
URL: http://hdl.handle.net/2027.42/138683
► This dissertation is concerned with the emergence of social patterns. The ability of groups of humans to bring order to both the physical and abstract…
(more)
▼ This dissertation is concerned with the emergence of social patterns. The ability of groups of humans to bring order to both the physical and abstract realms may be our species’ most distinguishing characteristic. It is dependent upon our willingness to cooperate and otherwise coordinate, yet willingness alone is not sufficient for achieving coordinated outcomes on a large-scale because the informational demands of bottom-up organizing are high. Understanding the emergence of social order then requires, in part, understanding how information flows are structured in ways that allow groups to meet the informational demands of
self-
organization. Of particular importance in this regard are the patterns of person-to-person interactions. In contemporary social network research these interactions are often described as the conduits through which information flows, but person-to-person interactions are also the site and source of the coordination problem needing to be solved. To resolve this tension, network interactions must be patterned in ways that allow for the free flow of information, yet social networks most often exhibit high degrees of clustering, a characteristic which can impede the free flow of information and, thus, large-scale coordination.
Does this mean bottom-up processes do not drive coordination within large groups? Is resolution by fiat the only way? Many have made the argument we create and tolerate authorities for precisely this reason, but is that the only viable mechanism for the establishment of large-scale coordination? Inspired by stigmergy, a form of communication used by social insects to coordinate hive activities, this dissertation explores the value of signals occurring outside or alongside of the person-to-person interactions studied using social network analysis. Social life features an abundance of small signals—often in the form of verbal or written communication, but also physical objects and even sounds and smells—potentially freighted with meanings or embedded knowledge. Several research traditions have regarded these signals as part of the fabric of social life, but is the information these signals yield patterned in a way that can help overcome the challenges of large-scale coordination?
To begin to answer whether these signals can play a role in mass coordination, this dissertation takes three distinct approaches. The first analyses coupled differential equations describing a system in which a common resource environment is structured by the ongoing actor-to-actor interactions. This system is a modification of a canonical model of molecular
self-
organization, the hypercycle, and succeeds in organizing vastly more complex sets of interactions than the original. This confirms the information embedded in the environment can indeed be a powerful source of information for coordination. The second paper takes this formal insight into the lab to test whether the addition of a small number of extra-network signals can enable the emergence of conventions in a large, networked group of human…
Advisors/Committee Members: Bruch, Elizabeth Eve (committee member), Mizruchi, Mark S (committee member), Savit, Robert S (committee member), Padgett, John F (committee member).
Subjects/Keywords: information; self-organization; sociology; niche signals; complexity; Sociology; Social Sciences
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APA (6th Edition):
Atwell, J. (2017). The Role of Niche Signals in Self-organization in Society. (Doctoral Dissertation). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/138683
Chicago Manual of Style (16th Edition):
Atwell, Jonathan. “The Role of Niche Signals in Self-organization in Society.” 2017. Doctoral Dissertation, University of Michigan. Accessed January 18, 2021.
http://hdl.handle.net/2027.42/138683.
MLA Handbook (7th Edition):
Atwell, Jonathan. “The Role of Niche Signals in Self-organization in Society.” 2017. Web. 18 Jan 2021.
Vancouver:
Atwell J. The Role of Niche Signals in Self-organization in Society. [Internet] [Doctoral dissertation]. University of Michigan; 2017. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/2027.42/138683.
Council of Science Editors:
Atwell J. The Role of Niche Signals in Self-organization in Society. [Doctoral Dissertation]. University of Michigan; 2017. Available from: http://hdl.handle.net/2027.42/138683
University of Michigan
27.
Moniri, Saman.
Non-Classical Crystallization Pathways in Eutectic-Forming Systems.
Degree: PhD, Chemical Engineering, 2020, University of Michigan
URL: http://hdl.handle.net/2027.42/155123
► Crystallization is the central process of synthesizing materials across length scales, with ubiquitous examples in synthetic, biogenic, and geologic environments. During crystallization a continuum of…
(more)
▼ Crystallization is the central process of synthesizing materials across length scales, with ubiquitous examples in synthetic, biogenic, and geologic environments. During crystallization a continuum of patterns could emerge due to the interplay of growth kinetics, material or solution chemistry, and crystallographic defects. In particular, solidification of eutectic alloys, characterized by the proximity of their compositions to a nonvariant point in the phase diagram, produces multi-phased micro- and nanostructures with diverse morphologies. This spontaneous pattern formation lies among the broader
self-
organization strategies that can be easily scaled to large areas, potentially enabling higher throughput and lower cost than serial processes.
This dissertation sheds new light on non-classical pathways for eutectic crystallization, perplexing characteristics that cannot be satisfactorily explained nor predicted by classical nucleation and growth models. The scope of this work entails a platform combining advanced experimental techniques – precise synthesis along with multiscale, three-dimensional, and time-resolved measurements – and computational methods – computer vision and machine learning – for tracking eutectic formation at temperature and their structural evolution under external stimuli. The first thrust of this dissertation focuses on crystallization in the presence of chemical modifiers, and the second thrust on the emergence of two-phase metastable spirals and their response in extreme environments.
Thrust one demonstrates cases in which the interaction of the modifier with the growing crystal is either synergistic, illustrated in a case study of Al-Si and Al-Ge eutectics, or antagonistic, shown in the growth of primary Si crystals. Thrust two focuses on spiral growth in the Zn-Mg system, and their behavior at elevated temperatures. These spirals are thermodynamically metastable, so their successful synthesis requires steering the system down certain kinetic pathways on intermediate time-scales. Collectively, our multi-modal characterization studies provide the necessary benchmark data for simulations of complex self‐
organization patterns, thus expanding the horizon for the design of next‑generation alloys with superior properties.
Advisors/Committee Members: Shahani, Ashwin Jairaj (committee member), Marquis, Emmanuelle (committee member), Kotov, Nicholas (committee member), Ziff, Robert M (committee member).
Subjects/Keywords: Crystallization; Self-organization; Eutectics; Chemical Engineering; Materials Science and Engineering; Engineering
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Chicago ·
MLA ·
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Export
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Manager
APA (6th Edition):
Moniri, S. (2020). Non-Classical Crystallization Pathways in Eutectic-Forming Systems. (Doctoral Dissertation). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/155123
Chicago Manual of Style (16th Edition):
Moniri, Saman. “Non-Classical Crystallization Pathways in Eutectic-Forming Systems.” 2020. Doctoral Dissertation, University of Michigan. Accessed January 18, 2021.
http://hdl.handle.net/2027.42/155123.
MLA Handbook (7th Edition):
Moniri, Saman. “Non-Classical Crystallization Pathways in Eutectic-Forming Systems.” 2020. Web. 18 Jan 2021.
Vancouver:
Moniri S. Non-Classical Crystallization Pathways in Eutectic-Forming Systems. [Internet] [Doctoral dissertation]. University of Michigan; 2020. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/2027.42/155123.
Council of Science Editors:
Moniri S. Non-Classical Crystallization Pathways in Eutectic-Forming Systems. [Doctoral Dissertation]. University of Michigan; 2020. Available from: http://hdl.handle.net/2027.42/155123
Cornell University
28.
Montovan, Kathryn.
Cooperative Behavior In Bees, Wasps, And Burglars.
Degree: PhD, Applied Mathematics, 2013, Cornell University
URL: http://hdl.handle.net/1813/34290
► There are many aspects of social, colonial, and individual behavior that are puzzling and difficult to understand. Mathematical models provide an ideal tool for understanding…
(more)
▼ There are many aspects of social, colonial, and individual behavior that are puzzling and difficult to understand. Mathematical models provide an ideal tool for understanding the possible behaviors of systems under different hypotheses, often providing surprising insights about the actual effects of different model pieces. We use a number of different types of theoretical, mathematical and computational models to examine a few areas of insect and social behavior related to cooperation. First we consider a
self-organized storage pattern in the comb of honey-bees. This pattern makes the colony more efficient and helps facilitate the survival and normal development of the brood (young bees). We explore how the colony level patterns can emerge and be maintained by thousands of bees performing tasks using simple rules that rely only on local information. We discuss how the results of these models demonstrate gaps in the current knowledge of honey bee behavior and motivate further research on queen movement patterns. We then explore the evolution of restraint for the parasitoid wasp Hyposoter horticola, which parasitizes host egg clusters but utilizes only 30% of the eggs in each cluster. Since natural selection favors individuals with more offspring, it is puzzling that these wasps do not use more of the available resources. We use both theoretical models and empirical results to explore several plausible explanations for this behavior. We first consider whether the wasp's parasitism is reduced by physical/physiological constraints. Then, we explore selective pres- sures that might favor submaximal parasitism behavior and discuss the most reasonable explanation for sub-maximal parasitism by H. horticola. Last, we explore the related, but more general question of the evolution of cooperative behaviors. We use the iterated prisoner's dilemma to model the benefits and costs of cooperation for repeated interactions. We classify the population dynamics for interacting strategies to understand the conditions that favor greater levels of cooperation. We then explore the bifurcations of the system. These bifurcations show where small changes to parameter values produce qualitatively (and sometimes drastically) different population dynamics.
Advisors/Committee Members: Strogatz, Steven H (chair), Reeve, Hudson Kern (committee member), Jones, Laura E. (committee member), Van Nouhuys, Saskya D. (committee member).
Subjects/Keywords: Self-organization; Submaximal resource use; Iterated prisoners dilemma
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APA (6th Edition):
Montovan, K. (2013). Cooperative Behavior In Bees, Wasps, And Burglars. (Doctoral Dissertation). Cornell University. Retrieved from http://hdl.handle.net/1813/34290
Chicago Manual of Style (16th Edition):
Montovan, Kathryn. “Cooperative Behavior In Bees, Wasps, And Burglars.” 2013. Doctoral Dissertation, Cornell University. Accessed January 18, 2021.
http://hdl.handle.net/1813/34290.
MLA Handbook (7th Edition):
Montovan, Kathryn. “Cooperative Behavior In Bees, Wasps, And Burglars.” 2013. Web. 18 Jan 2021.
Vancouver:
Montovan K. Cooperative Behavior In Bees, Wasps, And Burglars. [Internet] [Doctoral dissertation]. Cornell University; 2013. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/1813/34290.
Council of Science Editors:
Montovan K. Cooperative Behavior In Bees, Wasps, And Burglars. [Doctoral Dissertation]. Cornell University; 2013. Available from: http://hdl.handle.net/1813/34290
University of Illinois – Urbana-Champaign
29.
Beach, John Arias.
Self-organization in immiscible alloy systems under irradiation and severe plastic deformation.
Degree: PhD, Materials Science & Engr, 2018, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/101110
► There exist many practical examples of extreme environments where materials are commonly forced to operate, ranging from nuclear reactors to alloys being processed through severe…
(more)
▼ There exist many practical examples of extreme environments where materials are commonly forced to operate, ranging from nuclear reactors to alloys being processed through severe plastic deformation. In each of these cases, there exists external dynamical forcing which keeps the material in non-equilibrium conditions. In the case of structural materials in a nuclear reactor environment, there are high fluxes of neutrons which can cause the alloys to become microstructurally unstable and cause their properties to change over time. In addition, nuclear reactors are kept at high temperatures in order to generate power, which can cause other deleterious effects on a material such as creep and grain coarsening. For severe plastic deformation processing of alloys, such as high energy milling, a large amount of energy is imparted in the form of stress, which causes dislocation motion and grain refinement. Temperatures can also vary depending on the process, generally ranging from room temperature to > 0.75 of the melting point. Because each of the environments listed contains an external dynamical force which is driving the materials into non-equilibrium, they are commonly referred to as driven materials.
Due to the number of external factors and the numerous practical situations involving driven materials, one may ask if there is a theoretical framework on in which it is possible to not only describe what is occurring but to also predict how the material’s microstructure will evolve over time. After gaining the understanding to be able to predict the material response to such extreme environments, it would be especially beneficial to find a class of materials which would remain stable over time. In other words, rather than determining when an alloy would fail under service, it would be best if it were possible to design an alloy which would simply never fail over its expected lifetime.
To achieve this goal, research has been conducted in material science to better understand the fundamentals of driven materials. One of the main areas of focus revolves around the idea of
self-
organization in nanostructured alloys. A material which
self-organizes will reach a steady state microstructure and will not change as long as the environmental parameters do not change. This means that a material which
self-organizes would have the same microstructure indefinitely, even in an environment as extreme as a nuclear reactor, and would not undergo the negative effects such as coarsening or phase changes.
The property of
self-
organization has been readily identified in moderately immiscible and highly immiscible alloy systems such as Cu-Ag or Cu-W, respectively. Furthermore, this behavior is experienced in multiple driven systems; both irradiation and severe plastic deformation (SPD) have been shown to share very similar characteristics, even though the underlying mechanisms are different. While existing models such as the “Driven System Model” and “Effective Temperature Model” can explain existing experimental results for alloys systems…
Advisors/Committee Members: Bellon, Pascal (advisor), Averback, Robert (Committee Chair), Dillon, Shen (committee member), Maass, Robert (committee member).
Subjects/Keywords: Driven Alloys; Immiscible Alloys; Severe Plastic Deformation; Irradiation; Self-Organization
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APA (6th Edition):
Beach, J. A. (2018). Self-organization in immiscible alloy systems under irradiation and severe plastic deformation. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/101110
Chicago Manual of Style (16th Edition):
Beach, John Arias. “Self-organization in immiscible alloy systems under irradiation and severe plastic deformation.” 2018. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed January 18, 2021.
http://hdl.handle.net/2142/101110.
MLA Handbook (7th Edition):
Beach, John Arias. “Self-organization in immiscible alloy systems under irradiation and severe plastic deformation.” 2018. Web. 18 Jan 2021.
Vancouver:
Beach JA. Self-organization in immiscible alloy systems under irradiation and severe plastic deformation. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2018. [cited 2021 Jan 18].
Available from: http://hdl.handle.net/2142/101110.
Council of Science Editors:
Beach JA. Self-organization in immiscible alloy systems under irradiation and severe plastic deformation. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2018. Available from: http://hdl.handle.net/2142/101110
Penn State University
30.
Baker, Betsy A.
The Role of Institution, Ideology, Interests, and Information in the Decision to Departmentalize in Elementary Schools
.
Degree: 2011, Penn State University
URL: https://submit-etda.libraries.psu.edu/catalog/11724
► ABSTRACT Given escalating accountability requirements under No Child Left Behind (NCLB), educators and administrators face intensified pressure to significantly increase student achievement in their schools.…
(more)
▼ ABSTRACT
Given escalating accountability requirements under No Child Left Behind (NCLB), educators and administrators face intensified pressure to significantly increase student achievement in their schools. Changing how schools and classrooms are organized for instruction, as a strategy for school improvement, has been one response to this pressure. Departmentalizing in the elementary school serves as one example of such an organizational change. Very little research, however, specifically addresses elementary-level departmentalization. Without a strong research basis for their decision to departmentalize, how are schools making this choice in an era in which evidence-based decision making is demanded?
This qualitative study explored the decision-making process involved in determining whether or not to departmentalize in the elementary grades through an in-depth case study of one small, rural Pennsylvania district, where the choice to departmentalize has been made. Specifically, the study sought to provide insight into the involvement of individual stakeholders in the decision; the influence of these stakeholders’ ideologies, interests, and access to information on the decision; and the impact of the institution on the decision. The benefits and limitations of elementary departmentalization were also described.
Data collection occurred over a two-month period and included individual conversational interviews with 3 administrators and 13 teachers, 3 parent focus group interviews, and analysis of a variety of relevant documents. Extensive analysis was primarily accomplished through pattern coding, based on the research questions. The research resulted in a thick, rich description of the district’s long-standing experience with departmentalization in the sixth grade and its recent decisions to expand departmentalization to the fifth grade and to explore departmentalization in fourth grade.
Two broad conclusions were drawn from the research. For one, the institution exerted a significant influence on the decision-making process and on the ultimate decision. This institutional context influenced the individuals’ perceptions of their own interests, ideologies, and knowledge used in the decision-making process. The second conclusion drawn from the research suggested that semi-departmentalization may effectively reduce many of the limitations typically associated with a departmentalized approach by balancing a student-centered approach with content specificity. A number of recommendations for practice and for further research were also provided.
Advisors/Committee Members: Nona Ann Prestine, Dissertation Advisor/Co-Advisor, Nona Ann Prestine, Committee Chair/Co-Chair, Preston Green, Committee Member, James F Nolan Jr., Committee Member, Roger C Shouse, Committee Member.
Subjects/Keywords: departmentalize; horizontal organization; self-contained; elementary; departmentalization; elementary departmentalization
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APA (6th Edition):
Baker, B. A. (2011). The Role of Institution, Ideology, Interests, and Information in the Decision to Departmentalize in Elementary Schools
. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/11724
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Baker, Betsy A. “The Role of Institution, Ideology, Interests, and Information in the Decision to Departmentalize in Elementary Schools
.” 2011. Thesis, Penn State University. Accessed January 18, 2021.
https://submit-etda.libraries.psu.edu/catalog/11724.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Baker, Betsy A. “The Role of Institution, Ideology, Interests, and Information in the Decision to Departmentalize in Elementary Schools
.” 2011. Web. 18 Jan 2021.
Vancouver:
Baker BA. The Role of Institution, Ideology, Interests, and Information in the Decision to Departmentalize in Elementary Schools
. [Internet] [Thesis]. Penn State University; 2011. [cited 2021 Jan 18].
Available from: https://submit-etda.libraries.psu.edu/catalog/11724.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Baker BA. The Role of Institution, Ideology, Interests, and Information in the Decision to Departmentalize in Elementary Schools
. [Thesis]. Penn State University; 2011. Available from: https://submit-etda.libraries.psu.edu/catalog/11724
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
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Open Access Theses and Dissertations
