...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Dispersion of shear wave propagating in vertically heterogeneous double layers overlying an initially stressed isotropic half-space
【24h】

Dispersion of shear wave propagating in vertically heterogeneous double layers overlying an initially stressed isotropic half-space

机译：在初始应力各向同性半空间上覆的垂直非均质双层中传播的切变波的色散

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The present paper investigates the propagation of horizontally polarised shear wave in distinct vertically heterogeneous double layers overlying an isotropic half-space under horizontal initial Stress. The vertical heterogeneity in the uppermost layer is caused due to quadratic variation only in rigidity, whereas vertical heterogeneity in the sandwiched layer is caused due to exponential variation in rigidity and density both. The closed form of velocity equation is obtained which leads to the dispersion equation as its real part and damping equation as its imaginary part. The validation of dispersion relation with the classical case is made by using Debye asymptotic expansion which is the major highlight of this study. The significant effect of the width ratio of the layers, heterogeneity parameters of both the layers and horizontal compressive/tensile initial stress on the phase velocity and damped velocity of SH-wave have been traced out. The comparative study and some important peculiarities have been revealed by means of graphical illustration. (C) 2014 Elsevier Ltd. All rights reserved.
机译：本文研究了水平极化剪切波在水平初始应力作用下在各向同性半空间上覆盖的不同垂直非均质双层中的传播。最上层的垂直异质性仅是由于刚性的二次方变化引起的，而夹层的垂直异质性则是由于刚性和密度的指数变化均引起的。得出速度方程的封闭形式，导致色散方程为实部，阻尼方程为虚部。通过使用Debye渐近展开来验证经典情况下的色散关系，这是本研究的主要亮点。得出了层宽比，层的非均质性参数和水平压缩/拉伸初始应力对SH波的相速度和阻尼速度的显着影响。通过图示说明了对比研究和一些重要的特性。 （C）2014 Elsevier Ltd.保留所有权利。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号