An adaptive local meshfree updated Lagrangian approach for large deformation analysis of metal forming
Gu, YuanTong (2010) An adaptive local meshfree updated Lagrangian approach for large deformation analysis of metal forming. Advanced Materials Research, 97-101, pp. 2664-2667.
The large deformation analysis is one of major challenges in numerical modelling and simulation of metal forming. Because no mesh is used, the meshfree methods show good potential for the large deformation analysis. In this paper, a local meshfree formulation, based on the local weak-forms and the updated Lagrangian (UL) approach, is developed for the large deformation analysis. To fully employ the advantages of meshfree methods, a simple and effective adaptive technique is proposed, and this procedure is much easier than the re-meshing in FEM. Numerical examples of large deformation analysis are presented to demonstrate the effectiveness of the newly developed nonlinear meshfree approach. It has been found that the developed meshfree technique provides a superior performance to the conventional FEM in dealing with large deformation problems for metal forming.
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|Item Type:||Journal Article|
|Keywords:||Metal forming, Large deformation, Meshless method, Meshfree method, FEM|
|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 2010 Please consult the author.|
|Deposited On:||19 Aug 2010 09:28|
|Last Modified:||01 Mar 2012 00:17|
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