An efficient plasticity algorithm for shell elements application to metal forming simulation

An efficient plasticity algorithm for shell elements application to metal forming simulation

A general resultant stress plasticity algorithm called global plasticity, based on Ilyushin's criterion, is proposed for shell elements. The resultant stress calculation algorithm is developed for an elastoplastic, orthotropic material. The proposed algorithm is then implemented and validated i...

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Veröffentlicht in:Computers & structures 2001-06, Vol.79 (16), p.1525-1540
Hauptverfasser: Zeng, Qiang, Combescure, Alain, Arnaudeau, Francis
Format: Artikel
Sprache:eng
Schlagworte:
Metal forming
Plastic yield criterion
Resultant stress
Shell element
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Beschreibung
Zusammenfassung:A general resultant stress plasticity algorithm called global plasticity, based on Ilyushin's criterion, is proposed for shell elements. The resultant stress calculation algorithm is developed for an elastoplastic, orthotropic material. The proposed algorithm is then implemented and validated in the RADIOSS explicit program for metal forming problems.
ISSN:0045-7949
1879-2243
DOI:10.1016/S0045-7949(01)00032-3