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You searched for id:"oai:dk.um.si:IzpisGradiva.php?id=71394". One record found.

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1. Štrakl, Mitja. Modeliranje ekscentričnih trkov v večfaznem toku.

Degree: 2018, Univerza v Mariboru

V magistrskem delu je opisan proces izdelave numeričnega modela detekcije in obravnave ekscentričnega trka za namen raziskovanja problematike iz področja interakcij delcev v večfaznih tokovih. Matematični model temelji na predpostavki o idealno togem trku, z zanemarljivim prispevkom trenja. Numerična formulacija je sestavljena iz diskretizacije geometrije trodimenzionalnih delcev, detekcije trka med delci z določanjem stopnje prekrivanja, transformacije vektorskih veličin v koordinatni sistem obravnave, numeričnega reševanja sistema enačb in aplikacije rezultatov na gibalno stanje. Zgrajeni model je bil preverjen skozi proces verifikacije z poznanimi analitičnimi primeri trkov delcev, ter skozi proces validacije s spremljanjem ohranitve energije skozi obravnavo gruče naključnih trkov. Glede na rezultate je v zaključnem sklepu model bil prepoznan kot primeren za obravnavo namenske problematike, z upoštevanjem omejitev, predstavljenih skozi vsebino te naloge.

Scope of the presented thesis describes the development of a numerical model, for eccentric collision detection and processing, for research of particle interaction phenomena of multiphase flows. Mathematical model is based on the assumption of ideal, rigid impacts with negligible friction effects. Numerical formulation is composed of tridimensional geometry discretization, collision detection with particle overlap analysis, vector transformations into reference frames, numerical equation solving and application of resulting vectors to particle dynamics. Developed model has been tested through the process of verification with simplified analytical particle collision problems and trough the process of validation with energy conservation evaluation for a set of random impacts. Based on the results, it was concluded, that the model is appropriate for its intended use, within reasonable limits, defined trough the scope of this thesis.

Advisors/Committee Members: Ravnik, Jure.

Subjects/Keywords: večfazni tok; ekscentrični trk; detekcija trka; numerični model; multiphase flows; eccentric impact; collision detection; numerical model

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APA (6th Edition):

Štrakl, M. (2018). Modeliranje ekscentričnih trkov v večfaznem toku. (Masters Thesis). Univerza v Mariboru. Retrieved from https://dk.um.si/IzpisGradiva.php?id=71394 ; https://dk.um.si/Dokument.php?id=129183&dn=

Chicago Manual of Style (16th Edition):

Štrakl, Mitja. “Modeliranje ekscentričnih trkov v večfaznem toku.” 2018. Masters Thesis, Univerza v Mariboru. Accessed November 19, 2018. https://dk.um.si/IzpisGradiva.php?id=71394 ; https://dk.um.si/Dokument.php?id=129183&dn=.

MLA Handbook (7th Edition):

Štrakl, Mitja. “Modeliranje ekscentričnih trkov v večfaznem toku.” 2018. Web. 19 Nov 2018.

Vancouver:

Štrakl M. Modeliranje ekscentričnih trkov v večfaznem toku. [Internet] [Masters thesis]. Univerza v Mariboru; 2018. [cited 2018 Nov 19]. Available from: https://dk.um.si/IzpisGradiva.php?id=71394 ; https://dk.um.si/Dokument.php?id=129183&dn=.

Council of Science Editors:

Štrakl M. Modeliranje ekscentričnih trkov v večfaznem toku. [Masters Thesis]. Univerza v Mariboru; 2018. Available from: https://dk.um.si/IzpisGradiva.php?id=71394 ; https://dk.um.si/Dokument.php?id=129183&dn=

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