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University of Texas – Austin

1. -9948-5639. Time-domain reciprocal absorbing boundaries.

Degree: Civil, Architectural, and Environmental Engineering, 2018, University of Texas – Austin

Accurate and efficient computational treatments of wave propagation in unbounded media rely on special absorbing boundaries. In most of the problems, the region of interest is only a small part, the "near field", of an extensive, arguably, infinite domain. On the boundary of the near field, absorbing boundaries are introduced in order to mimic the absorption of waves into the exterior domain. They represent to various degrees of approximation the "far field" as viewed from the near field which normally contains irregularities and nonlinearities. In general, absorbing boundaries for the time-domain analysis of wave propagation in unbounded media can be classified into two categories, global and local ones. The aim of this disseration is to develop novel "global" absorbing boundaries by means of reciprocity theorems. The study deals with elastodynamics in anti-plane shear and plane strain, acoustic waves in waveguides. The domains under consideration include layered strata, layered half-spaces and the full-space. Advisors/Committee Members: Tassoulas, John Lambros (advisor), Manuel, Lance (committee member), Mear, Mark E (committee member), Ravi-Chandar, Krishnaswamy (committee member), Kinnas, Spyros A (committee member).

Subjects/Keywords: Absorbing boundaries; Reciprocity theorems; Finite elements

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APA (6th Edition):

-9948-5639. (2018). Time-domain reciprocal absorbing boundaries. (Thesis). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/68746

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

-9948-5639. “Time-domain reciprocal absorbing boundaries.” 2018. Thesis, University of Texas – Austin. Accessed November 16, 2018. http://hdl.handle.net/2152/68746.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

-9948-5639. “Time-domain reciprocal absorbing boundaries.” 2018. Web. 16 Nov 2018.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

-9948-5639. Time-domain reciprocal absorbing boundaries. [Internet] [Thesis]. University of Texas – Austin; 2018. [cited 2018 Nov 16]. Available from: http://hdl.handle.net/2152/68746.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

-9948-5639. Time-domain reciprocal absorbing boundaries. [Thesis]. University of Texas – Austin; 2018. Available from: http://hdl.handle.net/2152/68746

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete
Not specified: Masters Thesis or Doctoral Dissertation

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