A three-dimensional cell-based smoothed finite element method for elasto-plasticity

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This work is concerned with a three-dimensional cell-based smoothed finite element method for application to elastic-plastic analysis. The formulation of smoothed finite elements is extended to cover elastic-plastic deformations beyond the classical linear theory of elasticity, which has been the major application domain of smoothed finite elements. The finite strain deformations are treated with the aid of the formulation based on the hyperelastic constitutive equation. The volumetric locking originating from the nearly incompressible behavior of elastic-plastic deformations is remedied by relaxing the volumetric strain through the mean value. The comparison with the conventional finite elements demonstrates the effectiveness and accuracy of the present approach.
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Issue Date
2015-02
Language
English
Article Type
Article
Keywords

MAXIMUM PLASTIC DISSIPATION; COMPUTATIONAL ASPECTS; MULTIPLICATIVE DECOMPOSITION; CARVING TECHNIQUE; FORMULATION; FRAMEWORK; MECHANICS; SCHEME

Citation

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.29, no.2, pp.611 - 623

ISSN
1738-494X
DOI
10.1007/s12206-015-0121-2
URI
http://hdl.handle.net/10203/195945
Appears in Collection
ME-Journal Papers(저널논문)
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