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BIEM for 2D steady-state problems in cracked anisotropic materials

机译:BIEM解决了各向异性裂纹材料中的二维稳态问题

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摘要

The two-dimensional 'in-plane' time-harmonic elasto-dynamic problem for anisotropic cracked solid is studied. The non-hypersingular traction boundary integral equation method (BIEM) is used in conjunction with closed form frequency dependent fundamental solution, obtained by Radon transform. Accuracy and convergence of the numerical solution for stress intensity factor (SIF) is studied by comparison with existing solutions in isotropic, transversely-isotropic and orthotropic cases. In addition a parametric study for the wave field sensitivity on wave, crack and anisotropic material parameters is presented.
机译:研究了各向异性裂纹固体的二维“面内”时谐弹性动力学问题。非奇异牵引边界积分方程法(BIEM)与通过Radon变换获得的闭式频率相关基本解结合使用。通过与各向同性,横向各向同性和正交各向异性情况下的现有解进行比较,研究了应力强度因子(SIF)数值解的准确性和收敛性。另外,对波场,裂纹和各向异性材料参数的波场敏感性进行了参数研究。

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