| SH波散射与界面圆孔附近的动应力集中 |
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| 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. DOI: 10.6052/0459-1879-1998-5-1995-166 |
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| 作者姓名： | 刘殿魁 刘宏伟 |
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| 作者单位： | 哈尔滨工程大学建筑工程学院，150001 |
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| 基金项目： | 国家自然科学基金,国家教委博士点基金 |
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| 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
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| 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) |
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| 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. DOI: 10.6052/0459-1879-1998-5-1995-166 |
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| Authors: | Liu Diankui Liu Hongwei |
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| 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 ... |
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| Keywords: | interface circle Green function SH-wave scattering dynamic stress concentration integral equation |
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