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The Mixed Finite Element Analysis for Saturated Porous Media using FETI Method

박대효|탁문호|이경재
한국전산구조공학회 (The Computational Structural Engineering Institute Of Korea)|2010.12|한국전산구조공학회논문집 (Journal of the Computational Structural Engineering Institute of Korea)|제23권 제6호|pp. 693-702

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참고문헌

키워드

MPIporous mediamixed finite element methoddomain decompositionFETI

초록

In this paper, FETI(Finite Element Tearing and Interconnecting) method is introduced in order to improve numerical efficiency of Staggered method. The porous media theory, the Staggered method and the FETI method are briefly introduced in this paper. In addition, we account for the MPI(Message Passing Interface) library for parallel analysis, and the proposed combined Staggered method with FETI method. Finally Lagrange multipliers and CG(Conjugate Gradient) algorithm to solve decomposed domain are proposed, and then the proposed method is verified to be numerically efficient by MPI library.

Abstract

In this paper, FETI(Finite Element Tearing and Interconnecting) method is introduced in order to improve numerical efficiency of Staggered method. The porous media theory, the Staggered method and the FETI method are briefly introduced in this paper. In addition, we account for the MPI(Message Passing Interface) library for parallel analysis, and the proposed combined Staggered method with FETI method. Finally Lagrange multipliers and CG(Conjugate Gradient) algorithm to solve decomposed domain are proposed, and then the proposed method is verified to be numerically efficient by MPI library.

참고문헌 (21)

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