Reduced degree displacement functions for instability and nonlinear structural analysis

DOI10.1016/0045-7949(85)90040-9zbMath0572.73078OpenAlexW2043900357MaRDI QIDQ3690362

Z. G. Azizian, Thomas M. Roberts

Publication date: 1985

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

Full work available at URL: https://doi.org/10.1016/0045-7949(85)90040-9

zbMATH Keywords

instabilityconvergence criteriadisplacement functionspractical examplesnonlinear structural problemsderivation of stiffness matricesinter-element continuity of displacement derivatives of order one less than appear in the energy functionallinear polynomial displacement functionsnonlinear components of element stiffness matrices

Mathematics Subject Classification ID

Nonlinear elasticity (74B20) Finite element methods applied to problems in solid mechanics (74S05) Bifurcation and buckling (74G60)

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