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A numerical study of plasticity models and finite element types

Computers & Structures, ISSN: 0045-7949, Vol: 16, Issue: 5, Page: 669-675
1983
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Article Description

The available experimental results for the cyclic loading of a simply supported circular plate using a rigid circular punch is utilized to compare the numerical results obtained from computations performed using the four most popular work hardening plasticity models, namely, the isotropic, kinematic, mechanical sublayer and the Mroz models. The mechanical sublayer model appears to be the most efficient in this group. Using the mechanical sublayer model the computational efficiencies of the 3, 4 and 8-node finite elements are studied. The 8-node element emerges as the most suitable element type for the present problem.

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