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Strukturna dinamika v okviru odprte kode
ID Mrak, Andrej (Author), ID Slavič, Janko (Mentor) More about this mentor... This link opens in a new window, ID Boltežar, Miha (Co-mentor)

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PID: 20.500.12556/rul/505d2385-ba1f-404d-9d7a-c1f1dfec4a9f

Abstract
Magistrska naloga obravnava numerično modalno analizo struktur z uporabo odprtokodnih programov, ki omogočajo reševanje analiz po metodi končnih elementov. Poudarek naloge je na primerjavi izbranih odprtokodnih programov s komercialnim ter na kvalitativni in kvantitativni primerjavi odprtokodnih pristopov. Naloga najprej predstavi osnovno teorijo linearne metode končnih elementov, v nadaljevanju pa je opisan celoten postopek reševanja problemov po metodi končnih elementov: priprava, reševanje ter prikaz rezultatov. Na osnovi teorije končnih elementov je v odprtokodnih programih Python, Gmsh, PyFem, FEniCS in ParaViewu spisana lastna koda za reševanje analiz od kreiranja kompleksne geometrije do obdelave rezultatov, katere veljavnost je preverjena na analitično rešljivih problemih. Uporabnost kode je predstavljena z modalno analizo dveh kompleksnejših realnih primerov.

Language:Slovenian
Keywords:modalna analiza, metoda končnih elementov, odprta koda, stukturna dinamika, linearna dinamika
Work type:Master's thesis/paper
Organization:FS - Faculty of Mechanical Engineering
Year:2017
PID:20.500.12556/RUL-98462 This link opens in a new window
Publication date in RUL:02.12.2017
Views:2502
Downloads:483
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Secondary language

Language:English
Title:Open source code structural dynamics
Abstract:
This master thesis researches the modal analysis of structures with the use of open source code, which enable solving finite element method analysis. The main goal is to qualitatively and quantitatively compare selected open source code with the selected commercial programs and to compare different open source approaches. This work firstly presents the basics of linear theory of the finite elements method, and the entire process of solving problems with the finite element method: pre-processing, solving and post-processing. The open source approach was initially tested against theoretical test cases; finally, the open source approach was tested against commercial programs or real industrial test cases.

Keywords:modal analysis, finite element method, open source, structural dynamics, linear dynamics

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