摘要
Apreconditioningmethodforthefiniteelementstiffnessmatrixisgiveninthispaper.Thetriangulationisrefinedinasubregion;thepreconditioningprocessiscomposedofresolutionoftworegularsubproblems;theconditionnumberofthepreconditionedmatrixisO(1+logH/h),whereHandharemeshsizesoftheunrefinedandlocalrefinedtriangulationsrespectively.
出版日期
1994年02月12日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)