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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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.

Keyword:

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

Author Community:

  • [ 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

Reprint Author's Address:

  • 李亮

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

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Source :

JOURNAL OF POROUS MEDIA

ISSN: 1091-028X

Year: 2018

Issue: 9

Volume: 21

Page: 793-811

2 . 3 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:156

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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