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[期刊论文]

Explicit numerical wave method of analyzing the topographical effect on near-field wave diffraction in saturated porous media

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作者:

Li, Li-Yun (Li, Li-Yun.) | Du, Xiu-Li (Du, Xiu-Li.) (学者:杜修力)

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EI Scopus PKU CSCD

摘要:

Based on the soil mechanic model in saturated porous media, by combining viscous-spring artificial boundary with the 2-D explicit finite element method, an explicit numerical wave method is proposed to analyze the effect of the local terrain on the dynamic response of saturated site under diffracting earthquake wave field. Then, a 2-D semicircular valley model is used to analyze the topographical effect on the diffracting earthquake wave field in the saturated site. A comparison is made between the numerical solution and the far boundary solution. And the result indicates that the proposed method is correct and applicable.

关键词:

Springs (components) Soil mechanics Numerical methods Porous materials Seismic waves Finite element method Earthquakes

作者机构:

  • [ 1 ] [Li, Li-Yun]The Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100022, China
  • [ 2 ] [Du, Xiu-Li]The Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100022, China

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来源 :

Journal of Beijing University of Technology

ISSN: 0254-0037

年份: 2008

期: 9

卷: 34

页码: 925-930

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