scholarly journals Subdifferential-based implicit return-mapping operators in computational plasticity

2016 ◽  
Vol 96 (11) ◽  
pp. 1318-1338 ◽  
Author(s):  
Stanislav Sysala ◽  
Martin Cermak ◽  
Tomáš Koudelka ◽  
Jaroslav Kruis ◽  
Jan Zeman ◽  
...  
Keyword(s):  
Return Mapping ◽  
Computational Plasticity

Meshless Analyses of Fracture, Plasticity and Impact

2003 ◽  
Author(s):  
A. Eskandarian ◽  
Y. Chen ◽  
M. Oskard ◽  
J. D. Lee
Keyword(s):  
High Speed ◽  
Large Strain ◽  
Plastic Response ◽  
Governing Equations ◽  
Mapping Algorithm ◽  
High Speed Impact ◽  
Return Mapping ◽  
Return Mapping Algorithm ◽  
Large Strain Plasticity ◽  
Computational Plasticity

The governing equations for rate-independent large strain plasticity are formulated in the framework of meshless method. The numerical procedures, including return mapping algorithm, to obtain the solutions of boundary-value problems in computational plasticity are outlined. The crack growth process in elastic-plastic solid under plane strain conditions is analyzed. The large strain plastic response of material under high-speed impact is simulated. Numerical results are presented and discussed.

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