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PRECONDITIONING OF THE STIFFNESS MATRIX OF LOCAL REFINED TRIANGULATION

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摘要 Apreconditioningmethodforthefiniteelementstiffnessmatrixisgiveninthispaper.Thetriangulationisrefinedinasubregion;thepreconditioningprocessiscomposedofresolutionoftworegularsubproblems;theconditionnumberofthepreconditionedmatrixisO(1+logH/h),whereHandharemeshsizesoftheunrefinedandlocalrefinedtriangulationsrespectively.

DOI pn4928nzdy/168983

作者 SHENG Z

机构地区不详

出处《计算数学：英文版》 1994年2期

关键词 TRIANGULATION refined LOCAL polygonal stiffness MATRICES

分类 [理学][计算数学]

出版日期 1994年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）

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来源期刊

计算数学：英文版

计算数学：英文版

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相关关键词

TRIANGULATION refined LOCAL polygonal stiffness MATRICES

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