Influence of physical nonlinearity on resonance vibrations and dissipative heating of inelastic rectangular plates |
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| Authors: | V G Karnaukhov V M Sichko A S Karpenyuk |
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| Institution: | 1.Timoshenko Institute of Mechanics,Ukrainian National Academy of Sciences,Kyiv,Ukraine;2.Sukhomlinskii Nikolaev State University,Nikolaev,Ukraine |
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| Abstract: | On the basis of a concept of complex characteristics, we present a statement of nonlinear conjugate problems of forced resonance
vibrations and dissipative heating of inelastic plates of physically nonlinear materials, for which the real and imaginary
parts of mechanical complex characteristics depend on the amplitude of deformations. Numerical-analytical methods for the
solution of the indicated nonlinear problems are presented. An analysis of the influence of physical nonlinearity on the amplitude–frequency
and temperature–frequency characteristics and on the coefficient of damping of vibrations of rectangular plates is performed. |
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