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An elasto-plastic analysis of solids by the local meshless method based on MLS

Gu, YuanTong (2008) An elasto-plastic analysis of solids by the local meshless method based on MLS. International Journal of Modern Physics B, 22(31/32), pp. 5780-5786.

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Abstract

A pseudo-elastic local meshless formulation is developed in this paper for elasto-plastic analysis of solids. The moving least square (MLS) is used to construct the meshless shape functions, and the weighted local weak-form is employed to derive the system of equations. Hencky's total deformation theory is applied to define the effective Young's modulus and Poisson's ratio in the nonlinear analysis, which are obtained in an iterative manner using the strain controlled projection method. Numerical studies are presented for the elasto-plastic analysis of solids by the newly developed meshless formulation. It has demonstrated that the present pseudo-elastic local meshless approach is very effective for the elasto-plastic analysis of solids.

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ID Code: 19170
Item Type: Journal Article
Keywords: Material nonlinearity, Elasto-plastic analysis, Numerical analysis, Meshless method, Moving Least Squares
DOI: 10.1142/S0217979208051169
ISSN: 0217-9792
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2008 World Scientific
Copyright Statement: Electronic version of an article published as International Journal of Modern Physics B, 22, 31/32, 2008, 5780-5786] doi: 10.1142/S0217979208051169 © [2008 copyright World Scientific Publishing Company] http://www.worldscinet.com/ijmpb/
Deposited On: 26 Mar 2009 11:55
Last Modified: 29 Feb 2012 23:51

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