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Author:

Duan, Xue-Ming (Duan, Xue-Ming.) | Li, Liang (Li, Liang.) (Scholars:李亮) | Du, Xiu-Li (Du, Xiu-Li.) (Scholars:杜修力) | Song, Jia (Song, Jia.)

Indexed by:

EI Scopus PKU CSCD

Abstract:

On the basis of the precise time-integration method, a time-domain method for the wave propagation of the fluid-saturated porous media is proposed to calculate the dynamic response of the fluid-saturated porous media with the formulation of solid phase displacement u and pore pressure p. The solid phase displacement u is computed by precise time-integration method and fluid pressure p is computed by backward difference method. The proposed method is verified by a standard example. Moreover, the proposed method is compared with Newmark algorithm proposed by Zienkiewicz. The verifications indicate that the proposed method has high computational precision. In the meanwhile, the calculating course of the proposed method can be executed in an iterative manner, coupling equations do not need to be solved in each time step, so the proposed method has considerable efficiency. The proposed method has the basic characteristic of time-domain explicit calculating methods. Therefore, the method is capable of analyzing the dynamic response of the fluid-saturated porous media, reasonably. ©, 2015, Science Press. All right reserved.

Keyword:

Time domain analysis Wave propagation Integration Dynamic response Porous materials Iterative methods

Author Community:

  • [ 1 ] [Duan, Xue-Ming]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Li, Liang]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Du, Xiu-Li]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Song, Jia]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address:

  • 李亮

    [li, liang]key laboratory of urban security and disaster engineering, ministry of education, beijing university of technology, beijing; 100124, china

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Source :

Rock and Soil Mechanics

ISSN: 1000-7598

Year: 2015

Issue: 9

Volume: 36

Page: 2702-2707 and 2715

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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