Scattering of SH-Waves by a Porous Slab - Approximate Solution

机译：多孔平板对SH波的散射-近似解

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This work is concerned with the propagation of time-harmonic waves in an unbounded elastic solid containing empty cylindrical cavities that are randomly distributed in a slab region. It is known that, for an incident antiplane (SH) wave, the average wave motion in the solid is governed by an integro-differential equation. An approximate solution to this equation is obtained by assuming that the average wave motion inside the slab is the sum of a forward attenuated wave and a backward attenuated wave. It is shown that this approximation yields accurate results for the attenuation, velocity, reflection, and transmission in the solid.

机译：这项工作涉及时间谐波在无边界弹性固体中的传播，该弹性固体包含随机分布在板状区域中的空圆柱腔。众所周知，对于入射反平面（SH）波，固体中的平均波运动由积分微分方程控制。通过假设平板内部的平均波运动是前向衰减波和后向衰减波之和，可以得到该方程式的近似解。结果表明，这种近似可以为固体中的衰减，速度，反射和透射产生准确的结果。

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来源
《IUYAM Symposium on Theoretical and Numerical Methods in Continuum Mechanics of Porous Materials, Sep 5-10, 1999, Stuttgart, Germany》|1999年|p.357-362|共6页
会议地点 Stuttgart(DE)
作者
Y. C. Angel; A. R. Aguiar;
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作者单位

Laboratoire MECAL, Universite Claude Bernard Lyon 1 -Bat 721 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France;

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会议组织
原文格式 PDF
正文语种 eng
中图分类一般工业技术;
关键词
seismic; ultrasonic; multiple scattering; reflection; transmission;

机译：地震超声波多重散射反射;传播;

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机译：反射板两组临界问题的近似解

Scattering of SH-Waves by a Porous Slab - Approximate Solution

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