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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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Abstract

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.

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Authors and Affiliations

  1. Department of Applied Mathematics, Indian Institute of Technology (Indian School of Mines), 826004, Dhanbad, Jharkhand, India

    A. K. Singh, A. Das, A. Lakshman, A. Negi & A. Chattopadhyay

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  1. A. K. Singh
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  2. A. Das
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  3. A. Lakshman
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  4. A. Negi
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  5. A. Chattopadhyay
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Correspondence to A. Das.

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Singh, A.K., Das, A., Lakshman, A. et al. Effects of irregularity and initial stresses on the dynamic response of viscoelastic half-space due to a moving load. Acta Mech. Solida Sin. 30, 306–317 (2017). https://doi.org/10.1016/j.camss.2017.07.001

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