On triply coupled vibrations of thin-walled beams with arbitrary cross-section
作者： A. Prokić
DOI: 10.1016/J.JSV.2003.11.053
关键词:
摘要: The purpose of this paper is to analyze triply coupled vibrations thin-walled beams with arbitrary open cross-section. Starting from the Vlasov's theory, governing differential equations for bending and torsional were performed using principle virtual displacements. In case a simply supported beam, closed-form solution natural frequencies free harmonic was derived. significance neglecting cross-sectional warping rotary inertia on accuracy results analyzed. A recent same subject discussed, critical review it.
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