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Dinamska analiza enoosnih konstrukcij z metodo končnih elementov
ID Šemrov, Matija (Author), ID Čepon, Gregor (Mentor) More about this mentor... This link opens in a new window

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Abstract
V okviru te zaključne naloge je obravnavana dinamska analiza enoosnih konstrukcij z metodo končnih elementov. Najprej so predstavljene teoretične osnove metode končnih elementov ter izpeljava 1D končnega elementa. V nadaljevanju so predstavljene formulacije togostne in masne matrike, uporabljeni pri metodi končnih elementov, ter njuna izpeljava. Sledita predstavitev koncepta transformacijske matrike ter obravnava konstrukcij v ravnini. Na osnovi transformacijske matrike ter enačbe končnega elementa sta predstavljena splošen zapis gibalne enačbe ter na osnovi dobljenih enačb formulacija numerične modalne analize. Končno je izveden preračun lastnih frekvenc ter prikaz modalnih oblik obravnavanega sistema.

Language:Slovenian
Keywords:numerično modeliranje metoda končnih elementov, dinamski model, modalna analiza, statična analiza
Work type:Final paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[M. Šemrov]
Year:2022
Number of pages:XIV, [33] f.
PID:20.500.12556/RUL-139342 This link opens in a new window
UDC:624.07:519.612(043.2)
COBISS.SI-ID:121712899 This link opens in a new window
Publication date in RUL:01.09.2022
Views:867
Downloads:85
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Secondary language

Language:English
Title:Dynamics analysis of uniaxial structures using the finite element method
Abstract:
In the scope of this diploma thesis, we present the dynamic analysis of uniaxial constructions with the finite element method. First, we present the theoretical concepts of the finite element method and the derivation of a one-dimensional finite element. This is followed by a presentation of the formulation of the stiffness matrix and mass matrix, which are used in the finite element method, and of their derivation. Then we will present the concept of the transformation matrix and its derivation in the plane. Finally, we will calculate eigenfrequencies and present the modal shapes of the analyzed system.

Keywords:numerical modeling finite element method, dynamic model, modal analysis, static analysis

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