zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni program
Martin Trček (Author), Gregor Čepon (Mentor)

Abstract

V zaključni nalogi je opravljena modalna analiza dinamskega sistema z večimi prostostnimi stopnjami. Najprej je predstavljena teorija, ki smo jo uporabili za preračun sistema. Teorija vključuje osnove nihanja, matrični zapis enačb, metodo Runge-Kutta ter predpostavka o majhnih kotih. Po teoriji sledi izpeljava gibalnih enačb, njun zapis v matrični obliki ter definicija harmoničnega vzbujanja. Končno je opravljen preračun v programu Wolfram Mathematica, ki vključuje določitev lastnih frekvenc, oblik ter izris lastnega in vzbujenega odziva sistema.

Keywords

diplomske naloge;modalna analiza;sistem z večimi prostostnimi stopnjami;lastne frekvence;harmonično vzbujanje;odziv sistema;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [M. Trček]
UDC: 534.1:534.242:519.6(043.2)
COBISS: 81066243 Link will open in a new window
Views: 297
Downloads: 47
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Other data

Secondary language: English
Secondary title: Modal analysis of a system with multiple degrees of freedom
Secondary abstract: This work presents the modal analysis of a multiple degree of freedom system. Firstly the theory, which was used to deduce the equation of motion and to perform the modal analysis is presented. Theory includes basics of oscilation, matrix formulation of equations, the Runge-Kutta method and small angle approximation. Afterwards the derivation of equations of motion , which are written in matrix notation is presented along with the harmonic excitation. The modal parameters are calculated using numerical modal analysis with Mathematica software. Within the results, the own and forced responses of the system are presented and the parametric analysis is performed.
Secondary keywords: thesis;modal analysis;multiple degree of freedom systems;natural frequencies;harmonic excitation;system response;
Type (COBISS): Final paper
Study programme: 0
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za strojništvo
Pages: XII, 31 f.
ID: 13314322
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