Abstract
A coupled finite element model for the analysis of the deformation of elastoplastic porous media due to fluid and heat flow is presented. A displacement-pressure temperature formulation is used for this purpose. This formulation results in an unsymmetric coefficient matrix, even in the case of associated plasticity. A partitioned solution procedure is applied to restore the symmetry of the coefficient matrix. The partitioning procedure is an algebraic one which is carried out after integration in the time domain. For this integration, a two-point recurrence scheme is used. The finite element model is applied to the investigation of nonisothermal consolidation in various situations.
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Lewis, R.W., Majorana, C.E. & Schrefler, B.A. A coupled finite element model for the consolidation of nonisothermal elastoplastic porous media. Transp Porous Med 1, 155–178 (1986). https://doi.org/10.1007/BF00714690
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DOI: https://doi.org/10.1007/BF00714690