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  • 标题:Numerical study of nonlinear problems in the dynamics of thin-walled structural elements
  • 本地全文:下载
  • 作者:Olim Kucharov ; Fozil Turaev ; Sergey Leonov
  • 期刊名称:E3S Web of Conferences
  • 印刷版ISSN:2267-1242
  • 电子版ISSN:2267-1242
  • 出版年度:2021
  • 卷号:264
  • 页码:1-10
  • DOI:10.1051/e3sconf/202126405056
  • 语种:English
  • 出版社:EDP Sciences
  • 摘要:Mathematical model of the problem of vibration of thin-walled structural elements has been constructed based on Kirchhoff-Love theory. The problem is reduced, using the Bubnov-Galerkin method, to the solution of a set of nonlinear integro-differential Volterra type equations with weakly-singular kernels of relaxation. A numerical method based on the use of quadrature formulae being used for their solution. The influence of rheological parameters of the material on the values of critical velocity and amplitude-frequency characteristics of viscoelastic thin-walled structural elements is analyzed. It is shown that tacking account viscoelastic properties of the material of thin-walled structures lead to a decrease in the critical rate of gas flow.
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