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The Mixed Finite Element Analysis for Nearly Incompressible and Impermeable Porous Media Using Parallel Algorithm  

Tak, Moon-Ho (한양대학교 건설환경공학과)
Kang, Yoon-Sik (한양대학교 건설환경공학과)
Park, Tae-Hyo (한양대학교 건설환경공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.23, no.4, 2010 , pp. 361-368 More about this Journal
Abstract
In this paper, the parallel algorithm using MPI(Message-Passing Interface) library is introduced in order to improve numerical efficiency for the staggered method for nearly incompressible and impermeable porous media which was introduced by Park and Tak(2010). The porous media theory and the staggered method are also briefly introduced in this paper. Moreover, we account for MPI library for blocking, non-blocking, and collective communication, and propose combined the staggered method with the blocking and nonblocking MPI library. And then, we present how to allocate CPUs on the staggered method and the MPI library, which is related with the numerical efficiency in order to solve unknown variables on nearly incompressible and impermeable porous media. Finally, the results comparing serial solution with parallel solution are verified by 2 dimensional saturated porous model according to the number of FEM meshes.
Keywords
staggered method; parallel algorithm; MPI; nearly incompressible and impermeable porous media;
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Times Cited By KSCI : 7  (Citation Analysis)
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