Diagonal PCG Method for FE Solution of 3D Biot's Consolidation Problem

Kun Yong Zhang; Gui Heng Xie

doi:10.4028/www.scientific.net/AMR.838-841.718

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 838-841Diagonal PCG Method for FE Solution of 3D Biot's...

Diagonal PCG Method for FE Solution of 3D Biot's Consolidation Problem

Abstract:

To solve large symmetric indefinite linear systems in finite element discretization of 3D Biot's consolidation equations.This paper adopted diagonal preconditioned conjugate gradient method to FE program. Several numerical examples show that the diagonal PCG method are significantly more efficient than direct solution method for large-scale symmetric indefinite linear systems.

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Periodical:

Advanced Materials Research (Volumes 838-841)

Pages:

718-721

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.838-841.718

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Online since:

November 2013

Authors:

Kun Yong Zhang*, Gui Heng Xie

Keywords:

Biot's Consolidtion, Finite Element Method (FEM), PCG

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