The problem of geometrically nonlinear, steady-state vibrations of beams made of viscoelastic (VE) materials is considered in this paper. The Euler–Bernoulli and the von Kármán theories are used to describe the dynamic behavior of beams. The VE material of the beams is modeled using the Zener model. Two harmonics are present in the assumed steady-state solution of the problem at hand, which enables an analysis of both the primary and secondary resonances. The virtual work equation and the harmonic balance method are used to derive the amplitude equations in the explicit form. The response curves are determined using the continuation method and treating the frequency of excitation as the main parameter. The results of several examples, which illustrate the dynamic behavior of the considered beams, are presented and discussed.
Analysis of the Primary and Secondary Resonances of Viscoelastic Beams Made of Zener Material
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received September 22, 2018; final manuscript received June 10, 2019; published online July 15, 2019. Assoc. Editor: Mohammad Younis.
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Wielentejczyk, P., and Lewandowski, R. (July 15, 2019). "Analysis of the Primary and Secondary Resonances of Viscoelastic Beams Made of Zener Material." ASME. J. Comput. Nonlinear Dynam. September 2019; 14(9): 091003. doi: https://doi.org/10.1115/1.4044096
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