Effects of irregularity and initial stresses on the dynamic response of viscoelastic half-space due to a moving load

查看全文 作　　者：A.K. [1]Singh;A. [1]Das;A. [1]Lakshman;A. [1]Negi;A. [1]Chattopadhyay

机构地区：[1]Department of Applied Mathematics, Indian Institute of Technology (Indian School of Mines), Dhanbad 826004, Jharkhand, India

出　　处：《Acta Mechanica Solida Sinica》索引2017年第30卷第3期,共12页

基　　金：the National Board of Higher Mathematics (NBHM) for their financial support to this research work through Project no. NBHM/R.P.78/ 2015/Fresh/2017/24.1.2017 entitled “Mathematical modeling of elastic wave propagation in highly anisotropic and heterogeneous media” 摘　　要：The present article deals with the stresses developed in an initially stressed irregular viscoelastic half-space due to a load moving with a constant velocity at a rough free surface.Expressions for normal and shear stresses are obtained in closed form. The substantial effects of influence parameters, viz., depth(from the free surface), irregularity factor, maximum depth of irregularity, viscoelastic parameter, horizontal and vertical initial stresses,and frictional coefficient, on normal and shear stresses are investigated. Moreover, comparative study is carried out for three different cases of irregularity, viz., rectangular irregularity,parabolic irregularity and no irregularity, which is manifested through graphs. 关键词：粘弹性半空间初始应力动荷载作用动力响应粘弹性参数匀速运动自由表面封闭形式

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Effects of irregularity and initial stresses on the dynamic response of viscoelastic half-space due to a moving load

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