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https://open.uns.ac.rs/handle/123456789/4321
Title: | An improved analysis of free torsional vibration of axially loaded thin-walled beams with point-symmetric open cross-section | Authors: | Prokić, Aleksandar Mandić R. Vojnić Purčar, Martina |
Issue Date: | 1-Dec-2016 | Journal: | Applied Mathematical Modelling | Abstract: | © 2016 The objective of the paper is to analyze the influence of bimoment induced by constant axial loads on the free motion of thin-walled beams with point-symmetric open cross-section. For various boundary conditions, a closed-form solution for natural frequencies of free harmonic vibrations was derived by using a general solution of governing differential equations of motion based on Vlasov's theory. In order to investigate the effect of the bimoment on natural frequencies, the numerical examples with symmetric Z cross-section are given. The obtained results, verified using an ANSYS finite element model, demonstrate that the influence of the bimoment is important in the assessment of torsional natural frequencies. | URI: | https://open.uns.ac.rs/handle/123456789/4321 | ISSN: | 0307904X | DOI: | 10.1016/j.apm.2016.07.014 |
Appears in Collections: | FTN Publikacije/Publications GF Publikacije/Publications |
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