Shear wave propagation in vertically heterogeneous viscoelastic layer over amicropolar elastic half-space

被引：17

作者：

Kaur, Tanupreet ^{[1
]}

Sharma, Satish Kumar ^{[1
]}

Singh, Abhishek Kumar ^{[2
]}

机构：

[1] Thapar Univ, Sch Math, Patiala 147001, Punjab, India

[2] Indian Sch Mines, Dept Appl Math, Dhanbad, Jharkhand, India

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2017年 / 24卷 / 02期

关键词：

shear wave; micropolar; heterogeneity; viscoelastic; dispersion; damping; PLANE-WAVES; TRANSMISSION; REFLECTION;

D O I：

10.1080/15376494.2015.1124948

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This article deals with the propagation of SH-wave in a vertically heterogeneous viscoelastic layer lying over amicropolar elastic half-space. Dispersion and damping equations are obtained analytically in closed form. Phase and damped velocities are computed numerically and depicted by means of a graph to exhibit the substantial effect of heterogeneity, viscoelasticity (internal friction), and micropolar parameter. As a special case of the problem, it is found that deduced dispersion relation is well in agreement to the classical-Love wave equation and damping equation vanishes identically for the isotropic case. Influence of micropolarity present in the medium of half-space is highlighted through comparative study.

引用

页码：149 / 156

页数：8

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