Meshless analysis of plasticity with application to crack growth problems |
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| Authors: | Y. Chen A. Eskandarian M. Oskard J. D. Lee |
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| Affiliation: | a School of Engineering and Applied Science, FHWA/NHTSA National Crash Analysis Center, The George Washington University, Ashburn, VA 20147, USA;b Turner-Fairbank Highway Research Center, Federal Highway Administration, US Department of Transportation, McLean, VA 22101, USA |
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| Abstract: | The governing equations for classical rate-independent plasticity are formulated in the framework of meshless method. The special J2 flow theory for three-dimensional, two-dimensional plane strain and plane stress problems are presented. The numerical procedures, including return mapping algorithm, to obtain the solutions of boundary-value problems in computational plasticity are outlined. For meshless analysis the special treatment of the presence of barriers and mirror symmetries is formulated. The crack growth process in elastic–plastic solid under plane strain and plane stress conditions is analyzed. Numerical results are presented and discussed. |
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| Keywords: | Author Keywords: Meshless method Plasticity Fracture mechanics Crack growth |
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