Dynamic analysis of three-dimensional viscoelastic layer system using spectral element method

被引：0

作者：

Wu Chun-ying ^{[1
]}

Ge Xiu-run ^{[2
]}

Liu Xue-yan ^{[3
]}

Scarpas, A. ^{[3
]}

机构：

[1] Jiangsu Transportat Inst, Highway Engn Dept, Nanjing 210017, Jiangsu, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200240, Peoples R China

[3] Delft Univ Technol, Fac Civil Engn & Geosci, Sect Struct Mech, NL-2628 CN Delft, Netherlands

来源：

ROCK AND SOIL MECHANICS | 2007年 / 28卷 / 11期

关键词：

spectral element; viscoelastic model; impulsive load; fast Fourier transforms (FFT);

D O I：

暂无

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

An algorithm that combines the viscoelastic stress-strain relationship with the three-dimensional spectral element is proposed to solve the problems of three-dimensional viscoelastic multi-layer system subjected to an impulsive load. The four-parameter Burgers differential constitutive model is utilized in frequency domain for the formulation of viscoelastic spectral elements. Furthermore, the time domain response of three-dimensional layered system is obtained through fast Fourier transforms (FFT). As to a numerical structure, a three-layer pavement system, both proposed method and finite element method are applied to analyze the dynamic response subjected to an impulsive load. And the two results have a good agreement. Besides, the analysis and comparison of various elastic and viscoelastic models are shown in the cases.

引用

页码：2265 / 2270

页数：6

共 17 条

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