Direct-iterative solution of ill-conditioned finite element stiffness matrices

DOI10.1002/nme.1620180204zbMath0476.73062OpenAlexW2016181073MaRDI QIDQ3932405

Gen-Hua Shi

Publication date: 1982

Published in: International Journal for Numerical Methods in Engineering (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/nme.1620180204

zbMATH Keywords

convergencedirect-iterative methodimaginary element methodmethods for selecting the transformative matrixrigid body movement methodtransforming an ill-conditioned matrix into well- conditioned matrix

Mathematics Subject Classification ID

Finite element methods applied to problems in solid mechanics (74S05) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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