High-efficiency improved symmetric successive over-relaxation preconditioned conjugate gradient method for solving large-scale finite element linear equations
High-efficiency improved symmetric successive over-relaxation preconditioned conjugate gradient method for solving large-scale finite element linear equations
复制标题
求解大规模有限元线性方程组的高效改进对称逐次过松弛预条件共轭梯度法
DOI:
10.1007/s10483-013-1740-x
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发表时间:
2013-09
期刊:
影响因子:
--
通讯作者:
Li, Lian-chong
中科院分区:
文献类型:
--
作者:
Li, Gen;Tang, Chun-an;Li, Lian-chong
Fast solving large-scale linear equations in the finite element analysis is a classical subject in computational mechanics. It is a key technique in computer aided engineering (CAE) and computer aided manufacturing (CAM). This paper presents a high-efficiency improved symmetric successive over-relaxation (ISSOR) preconditioned conjugate gradient (PCG) method, which maintains the convergence and inherent parallelism consistent with the original form. Ideally, the computation can be reduced nearly by 50% as compared with the original algorithm. It is suitable for high-performance computing with its inherent basic high-efficiency operations. By comparing with the numerical results, it is shown that the proposed method has the best performance.
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DOI:
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