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Formulation of hybrid Trefftz finite element method for elastoplasticity

Qin, Qing Hua


The present investigation provides a hybrid Trefftz finite element approach for analysing elastoplastic problems. A dual variational functional is constructed and used to derive hybrid Trefftz finite element formulation for elastoplasticity of bulky solids. The formulation is applicable to either strain hardening or elastic-perfectly plastic materials. A solution algorithm based on initial stress formulation is introduced into the new element model. The performance of the proposed element model...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Applied Mathematical Modelling
DOI: 10.1016/j.apm.2004.09.004


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