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作者:

Li Liang (Li Liang.) (学者:李亮) | Du Xiuli (Du Xiuli.) (学者:杜修力) | Shi Peixin (Shi Peixin.) | Zhai Wei (Zhai Wei.)

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EI Scopus SCIE

摘要:

We present a time-domain, explicit, finite-element method (FEM) for dynamic analysis of transversely isotropic fluid-saturated porous media (TIFSPM). Wave propagation equations in TIFSPM are derived based on continuum mechanics. An explicit FE procedure for solving wave propagation equations is developed by applying the decoupling technique in the spatial domain and central difference method and the Newmark constant average acceleration method in the time domain. The explicit FEM is applied to simulate dynamic response of TIFSPM, and simulation results are compared with dynamic response of isotropic fluid-saturated porous media (IFSPM). Parametric studies are performed on the anisotropy coefficient to investigate the effect of material anisotropy on TIFSPM dynamic response. We find that dynamic response of TIFSPM is significantly different from that of IFSPM, and anisotropy impacts largely on TIFSPM dynamic response.

关键词:

anisotropy coefficient explicit finite-element method fluid-saturated porous medium transverse isotropy wave propagation

作者机构:

  • [ 1 ] [Li Liang]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Du Xiuli]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Zhai Wei]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 4 ] [Shi Peixin]Soochow Univ, Sch Urban Rail Transportat, Suzhou 215002, Peoples R China

通讯作者信息:

  • 李亮

    [Li Liang]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF POROUS MEDIA

ISSN: 1091-028X

年份: 2018

期: 9

卷: 21

页码: 793-811

2 . 3 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:76

JCR分区:3

被引次数:

WoS核心集被引频次: 3

SCOPUS被引频次: 3

ESI高被引论文在榜: 0 展开所有

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