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A nonlinear complementarity approach for elastoplastic problems by BEM without internal cells. (English) Zbl 1259.74041

Summary: A nonlinear complementarity approach is presented to solve elastoplastic problems by the boundary element method, in which the equations are formulated by stress equations and complementarity function obtained from the plasticity constitutive law. The domain integrals involved are transformed into boundary integrals by radial integration method, using compactly supported radial basis functions. Two numerical examples demonstrate the algorithm’s applicability and effectiveness.

MSC:

74S15 Boundary element methods applied to problems in solid mechanics
74C05 Small-strain, rate-independent theories of plasticity (including rigid-plastic and elasto-plastic materials)

Software:

BEMECH
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Full Text: DOI

References:

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