ZHENG Yu-fang, FU Yi-ming. Effect of Damage on Nonlinear Dynamic Properties of Viscoelastic Rectangular Plates[J]. Applied Mathematics and Mechanics, 2005, 26(3): 293-299.
Citation: ZHENG Yu-fang, FU Yi-ming. Effect of Damage on Nonlinear Dynamic Properties of Viscoelastic Rectangular Plates[J]. Applied Mathematics and Mechanics, 2005, 26(3): 293-299.

Effect of Damage on Nonlinear Dynamic Properties of Viscoelastic Rectangular Plates

  • Received Date: 2003-10-24
  • Rev Recd Date: 2004-11-27
  • Publish Date: 2005-03-15
  • The nonlinear dynamic behaviors of viscoelastic rectangular plates including the damage effects under the action of a transverse periodic load were studied. Using the von Karman equations, Boltzmann superposition principle and continuum damage mechanics, the nonlinear dynamic equations in terms of the midplane displacements for the viscoelastic thin plates with damage effect were derived. By adopting the finite difference method and Newmark method, these equations were solved. The results were compared with the available data. In the numerical calculations, the effects of the external loading parameters and geometric dimensions of the plate on the nonlinear dynamic responses of the plate were discussed. Research results show that the nonlinear dynamic response of the structure will change remarkably when the damage effect is considered.
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