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
Online-Zugang:	Volltext
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