圆弧形凹陷地形表面覆盖层对入射平面P波的影响

被引：30

作者：

梁建文

严林隽

Vincent W Lee

机构：

[1] 天津大学土木工程系

[2] Department of Civil Engineering 天津

[3] 天津

[4] University of Southern California

[5] Los Angeles

[6] CA

来源：

固体力学学报 | 2002年 / 04期

关键词：

圆弧形凹陷地形; 覆盖层; 平面P波; 散射; 解析解;

D O I：

10.19636/j.cnki.cjsm42-1250/o3.2002.04.004

中图分类号：

O347.4 [应力波];

学科分类号：

080102 ;

摘要：

利用Fourier Bessel级数展开法给出了表面具有覆盖层的圆弧形凹陷地形对入射平面P波散射问题的一个解析解 ,并利用该解分析了不同形状凹陷地形表面覆盖层刚度和厚度对入射P波的影响 .结果表明 ,凹陷地形表面覆盖层的存在 ,即使厚度很薄 ,对入射P波的散射也具有很大影响 ,覆盖层刚度和厚度的变化可显著改变凹陷地形场地的动力特性 .

引用

页码：397 / 411

页数：15

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