Algorithm of stiffness matrix inversion based on substructuring concept

DOI10.1016/0045-7949(86)90031-3zbMath0574.73092OpenAlexW2036572825MaRDI QIDQ3693033

O. G. Vinogradov

Publication date: 1986

Published in: Computers & Structures (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0045-7949(86)90031-3

zbMATH Keywords

numerical examplesaccuracynumerical stabilityalgorithm implementationconcept of substructuringalgorithm of recursive relationsalgorithm of stiffness matrix inversionblock entries of two consecutive inverse submatricesdecomposed into a set of basic structural (or finite) elementsmulti-node element can be coupled with a substructurenode-by-node fashionrigid- elastic-hinged couplingsequence of gradually complicated substructuresTwo-node and multi-node structural elementsuni-directional process

Mathematics Subject Classification ID

Theory of matrix inversion and generalized inverses (15A09) Numerical and other methods in solid mechanics (74S99) Software, source code, etc. for problems pertaining to mechanics of deformable solids (74-04)

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