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文章基本信息

  • 标题:Moving Griffith crack in an orthotropic strip with punches at boundary faces
  • 本地全文:下载
  • 作者:S. Mukherjee ; S. Das
  • 期刊名称:International Journal of Mathematics and Mathematical Sciences
  • 印刷版ISSN:0161-1712
  • 电子版ISSN:1687-0425
  • 出版年度:2005
  • 卷号:2005
  • 期号:19
  • 页码:3157-3167
  • DOI:10.1155/IJMMS.2005.3157
  • 出版社:Hindawi Publishing Corporation
  • 摘要:

    Integral transform technique is employed to solve the elastodynamic problem of steady-state propagation of a Griffith crack centrally situated along the midplane of orthotropic strip of finite thickness 2 h and subjected to point loading with centrally situated moving punches under constant pressure along the boundaries of the layer. The problem is reduced to the solution of a pair of simultaneous singular integral equations with Cauchy-type singularities which have finally been solved through the finite Hilbert transform technique. For large h , analytical expression for the stress intensity factor at the crack tip is obtained. Graphical plots of the numerical results are also presented.

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