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Author:

Jiao, Hongyun (Jiao, Hongyun.) | Li, Liang (Li, Liang.) (Scholars:李亮) | Du, Xiuli (Du, Xiuli.) | Shi, Peixin (Shi, Peixin.) | Wang, Man (Wang, Man.)

Indexed by:

EI Scopus SCIE

Abstract:

A finite element-thin layer element coupling method for the near-field wave propagation analysis in the fluid saturated porous media (FSPM) is developed based on the Biot u -U dynamic formulation. The case of the wave propagation normal to the boundary of calculating domain is investigated. The wave propagation equations are decoupled by the variables-separating method. The finite element method is adopted for the space discretization and numerical analysis of the finite domain, and the thin layer element method is applied to discretize the infinite domain and construct the consistent artificial boundary condition. This method is validated and then applied to the analysis to the near-field wave propagation problem of FSPM. Parametric sensitivity studies are conducted to analyze the effect of the mechanical parameters, including permeability coefficient, porosity, and Young's modulus of solid skeleton, on the dynamic response of FSPM. The study results indicate the effectiveness and efficiency of the developed method to the near-field wave propagation analysis in FSPM.

Keyword:

Finite element method Fluid-saturated porous media Thin layer element method Variables-separating method Consistent artificial boundary condition Near-field wave propagation

Author Community:

  • [ 1 ] [Jiao, Hongyun]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Liang]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Du, Xiuli]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Man]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Shi, Peixin]Soochow Univ, Sch Urban Rail Transportat, Suzhou 215002, Peoples R China

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Source :

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING

ISSN: 0267-7261

Year: 2022

Volume: 158

4 . 0

JCR@2022

4 . 0 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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