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作者:

Li, Liang (Li, Liang.) (学者:李亮) | Zhai, Wei (Zhai, Wei.) | Du, Xiu-Li (Du, Xiu-Li.) (学者:杜修力)

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EI Scopus PKU CSCD

摘要:

A time-domain explicit finite element method for the elastic wave propagation of transversely isotropic fluid-saturated porous media is put forward. The space decoupling technology is adopted for the space discretization and the time-domain explicit step-by-step calculating format for the time discretization. Using the method, the dynamic response of transversely isotropic fluid-saturated porous media is calculated and analyzed, and the calculated results are compared with those of isotropic fluid-saturated porous media. The effect of the value of anisotropic coefficient on the calculated results of the dynamic response of transversely isotropic fluid-saturated porous media is also studied. The calculated results show that the dynamic response of transversely isotropic fluid-saturated porous media has remarkable difference from that of isotropic fluid-saturated porous media, and the value of anisotropic coefficient has a significant effect on the calculated results of the dynamic response of transversely isotropic fluid-saturated porous media. Meanwhile, the present numerical calculation indicates that the time-domain explicit finite element method is effective for the calculation and analysis of the dynamic response of transversely isotropic fluid-saturated porous media.

关键词:

Anisotropic fluids Anisotropy Dynamic response Elastic waves Finite element method Geotechnical engineering Numerical methods Porous materials Time domain analysis Wave propagation

作者机构:

  • [ 1 ] [Li, Liang]The Key Laboratory of Urban Security and Disaster Engineering (Beijing University of Technology), Ministry of Education, Beijing 100124, China
  • [ 2 ] [Zhai, Wei]The Key Laboratory of Urban Security and Disaster Engineering (Beijing University of Technology), Ministry of Education, Beijing 100124, China
  • [ 3 ] [Du, Xiu-Li]The Key Laboratory of Urban Security and Disaster Engineering (Beijing University of Technology), Ministry of Education, Beijing 100124, China

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来源 :

Chinese Journal of Geotechnical Engineering

ISSN: 1000-4548

年份: 2012

期: 3

卷: 34

页码: 464-470

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