Direct application of constraints to symmetric algebraic systems

DOI10.1002/cnm.1640110703zbMath0833.65022OpenAlexW2127910128MaRDI QIDQ4850211

D. A. Parsons, Howard L. Schreyer

Publication date: 14 March 1996

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

Full work available at URL: https://doi.org/10.1002/cnm.1640110703

zbMATH Keywords

boundary conditionscondition numberconstraintssymmetric algebraic systems

Mathematics Subject Classification ID

Classical linear elasticity (74B05) Vibrations in dynamical problems in solid mechanics (74H45) Direct numerical methods for linear systems and matrix inversion (65F05)

Related Items (2)

Simulation of special loading conditions by means of non-linear constraints imposed through Lagrange multipliers ⋮ Adapting Broyden method to handle linear constraints imposed via Lagrange multipliers

Cites Work

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• Imposing linear constraints in finite-element analysis
• Linear multipoint constraints applied via transformation as part of a direct stiffness assembly process
• Constraint relationships in linear and nonlinear finite element analyses
• The use of orthogonal projections to handle constraints with applications to incompressible four‐node quadrilateral elements
• An algorithm for multipoint constraints in finite element analysis

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