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Date of Publication:2022-10-06

Journal:岩土力学

Issue:8

Page Number:2643-2647,2654

ISSN No.:1000-7598

Abstract:Through the constructing of the finite element-element free Galerkin coupling method of Biot's two phase mixture theory in u-p formulation, the numerical simulation for liquefaction problem is carried out. The cyclic elastoplastic constitutive model and updated Lagrange formulation are jointly adopted to establish the governing equations. The coupling method can avoid computation break caused by element distortion when using finite element method and save computation time. A numerical example shows that the method for liquefaction analysis is feasible and effective.

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