摘要
采用边界元法研究含裂纹的带形域各向同性弹性体，裂纹对SH波的散射问题，推导出带形域情况下不同边界条件的各种Green函数，导出了以裂纹张开位移为未知数的边界积分方程，计算出表面散射场和总位移．算例表明，利用所提供的格林函数和边界元格式解答带形域的散射问题比较方便．
In this paper, the problem of the scattering of SH waves by a crack in a infinite strip region is investigated by BIE method. The Green＇s functions for infinite strips with various boundary conditions are deduced. A boundary integral equation (BIE) with crack opening displace-ment as the unknown function is reduced. Surface scattering displacement and total displacement are obtained. The examples show that complexity and precision are well by using BIEM to solve the problems of scattering of SH waves by a crack in a infinity strip region.
出处
《固体力学学报》
CAS
CSCD
北大核心
1997年第3期222-228,共7页
Chinese Journal of Solid Mechanics
基金
国家教委博士点基金
