Le, C.V., Askes, H. and Gilbert, M. (2012) A locking-free stabilized kinematic EFG model for plane strain limit analysis. Computers and Structures, 106. 1 - 8. ISSN 0045-7949
Abstract
An element free Galerkin (EFG) based formulation for limit analysis of rigid-perfectly plastic plane strain problems is presented. In the paper it is demonstrated that volumetric locking and instability problems can be avoided by using a stabilized conforming nodal integration scheme. Furthermore, the stabilized EFG method described allows stable and accurate solutions to be obtained with minimal computational effort. The discrete kinematic formulation is cast in the form of a second-order cone problem, allowing efficient interior-point solvers to be used to obtain solutions. Finally, the performance of the stabilized EFG method is illustrated by considering several numerical examples.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2012 Elsevier. This is an author produced version of a paper subsequently published in Computers and Structures. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Limit analysis; Meshless methods; Volumetric locking; Strain smoothing; Nodal integration; Second order cone programming |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Civil and Structural Engineering (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 07 May 2014 13:45 |
Last Modified: | 25 Aug 2017 13:34 |
Published Version: | http://dx.doi.org/10.1016/j.compstruc.2012.03.012 |
Status: | Published |
Publisher: | Elsevier |
Refereed: | No |
Identification Number: | 10.1016/j.compstruc.2012.03.012 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:78782 |