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SH波散射与界面圆孔附近的动应力集中
引用本文:刘殿魁,刘宏伟.SH波散射与界面圆孔附近的动应力集中[J].力学学报,1998,30(5):597-604.
作者姓名:刘殿魁  刘宏伟
作者单位:哈尔滨工程大学建筑工程学院,150001
基金项目:国家自然科学基金,国家教委博士点基金
摘    要:建立了求解含有界面圆孔的二种不同弹性组合介质中SH波的散射和界面圆孔附近的动应力集中问题的Green函数法给出了一个具有半圆形缺口的弹性半空间水平表面上任意一点承受时间谐和的出平面线源荷载作用时位移函数的基本解取基本解作为Green函数,建立起问题的定解积分方程最后给出了界面圆孔的动应力集中的算例和结果,并讨论了不同介质参数的组合对动应力集中的影响

关 键 词:界面圆孔  SH波散射  动应力集中  弹性波

SCATTERING AND DYNAMIC STRESS CONCENTRATION OF SH-WAVE BY INTERFACE CIRCULAR HOLE 1)
Liu Diankui,Liu Hongwei.SCATTERING AND DYNAMIC STRESS CONCENTRATION OF SH-WAVE BY INTERFACE CIRCULAR HOLE 1)[J].chinese journal of theoretical and applied mechanics,1998,30(5):597-604.
Authors:Liu Diankui  Liu Hongwei
Abstract:The present paper investigates the problem of SH-wave scattering and dynamic stress concentration by bi-material structure possessing cylindrical interface hole Green’s Function method is used here, which means a special essential solution suitable to the present problem must be constructed In terms of wave functions expansion method and Graf formula, we give the construction course for the special Green's function, and deduce it strictly from the essential solution for a perfect half space impacted by ...
Keywords:interface circle  Green function  SH-wave scattering  dynamic stress concentration  integral equation  
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