Steady-State Wave Propagation in Multilayered Viscoelastic Media Excited by a Moving Dynamic Distributed Load

Lu Sun; Wenjun Gu; Feiquan Luo

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Steady-State Wave Propagation in Multilayered Viscoelastic Media Excited by a Moving Dynamic Distributed Load

机译：Steady-State Wave Propagation in Multilayered Viscoelastic Media Excited by a Moving Dynamic Distributed Load

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摘要

An analytical solution of steady-state dynamic response of a multilayered viscoelastic medium to a moving distributed load is obtained using a novel approach that combines transfer matrix method with Sun's convolution representation integrated over impulse response function of the layered medium. The layered media under consideration include elastic and viscoelastic media with four different viscoelastic constitutive models, while the moving load is allowed to have a circular spatial distribution, which is more realistic for mimicking tire footprint than a commonly used point load. Efficient numerical algorithms based on fast evaluation of various integral transformations and their inversions are developed and validated through numerical example.

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来源
《Journal of Applied Mechanics》 |2009年第4期|041001-1-041001-15|共15页
作者
Lu Sun; Wenjun Gu; Feiquan Luo;
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作者单位

Transportation College, Southeast University;

Department of Civil Engineering, Catholic University of America;

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原文格式 PDF
正文语种英语
中图分类应用力学;
关键词
Multilayered medium; Viscoelastic; Steady-state response; Wave equation; Integral transform; Convolution;

Steady-State Wave Propagation in Multilayered Viscoelastic Media Excited by a Moving Dynamic Distributed Load

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