Consistent tangent operator for cutting-plane algorithm of elasto-plasticity

Consistent tangent operator for cutting-plane algorithm of elasto-plasticity

The paper presents a derivation of the consistent tangent operator (CTO) for the cutting-plane algorithm (CPA) For a class of plasticity models that are suitable to be integrated using CPA, an explicit recursive expression is analytically derived and is updated in each iteration of the CPA integrati...

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Veröffentlicht in:Computer methods in applied mechanics and engineering 2014-04, Vol.272, p.214-232
Hauptverfasser: Starman, Bojan, Halilovic, Miroslav, Vrh, Marko, Stok, Boris
Format: Artikel
Sprache:eng
Schlagworte:
Algorithms
Derivation
Elastoplasticity
Mathematical analysis
Mathematical models
Operators
Plasticity
Tangents
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Zusammenfassung:The paper presents a derivation of the consistent tangent operator (CTO) for the cutting-plane algorithm (CPA) For a class of plasticity models that are suitable to be integrated using CPA, an explicit recursive expression is analytically derived and is updated in each iteration of the CPA integration procedure to yield the final value of the CTO when the CPA is converged
ISSN:0045-7825
DOI:10.1016/j.cma.2014.12.012