Non-stationary vibrations of a thin viscoelastic orthotropic beam

0333605 - ÚT 2010 RIV GB eng J - Journal Article
Adámek, V. - Valeš, František - Tikal, B.
Non-stationary vibrations of a thin viscoelastic orthotropic beam.
Nonlinear Analysis: Theory, Methods & Applications. Roč. 71, č. 12 (2009), e2569-e2576. ISSN 0362-546X. E-ISSN 1873-5215
R&D Projects: GA ČR(CZ) GA101/07/0946
Institutional research plan: CEZ:AV0Z20760514
Keywords : thin beam * non-stationary vibration * analytical solution
Subject RIV: BI - Acoustics
Impact factor: 1.487, year: 2009
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Non-stationary vibrations of a thin viscoelastic beam with orthotropic material properties are solved in this work. Concretely, analytical and numerical solutions of the problem of a finite simple supported beam transversely excited are presented. The analytical solution of the problem solved is derived based on the approximate Timoshenko’s beam theory and the discrete model of the generalized standard viscoelastic solid is used for the description of beam viscoelastic properties. Spatio-temporal functions describing distribution of beam deflection and slope of the beam represent the main results of this work. Moreover, the problem is solved numerically using FEM and the corresponding results are presented, as well.
Permanent Link: http://hdl.handle.net/11104/0178550