Comparison of Two Time-Integration Algorithms for an Anisotropic Damage Model Coupled with Plasticity

In this work, two time integration algorithms for the anisotropic damage model proposed by Lemaitre et al. (2000) are compared. Specifically, the standard implicit Euler scheme is compared to an algorithm which implicitly solves the elasto-plastic evolution equations and explicitly computes the dama...

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Vydáno v:Applied Mechanics and Materials Ročník 784; číslo Damage Mechanics: Theory, Computation and Practice; s. 292 - 299
Hlavní autoři: Reese, Stefanie, Fassin, Marek, Wulfinghoff, Stephan
Médium: Journal Article
Jazyk:angličtina
Vydáno: Zurich Trans Tech Publications Ltd 01.08.2015
Témata:
Algorithms
Anisotropy
Bending
Damage assessment
Evolution
Mathematical analysis
Three dimensional
Time integration
Time Integration Algorithm
Anisotropic Damage
Plasticity
ISBN:9783038355502, 303835550X
ISSN:1660-9336, 1662-7482, 1662-7482
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Shrnutí:In this work, two time integration algorithms for the anisotropic damage model proposed by Lemaitre et al. (2000) are compared. Specifically, the standard implicit Euler scheme is compared to an algorithm which implicitly solves the elasto-plastic evolution equations and explicitly computes the damage update. To this end, a three dimensional bending example is solved using the finite element method and the results of the two algorithms are compared for different time step sizes.
Bibliografie:Selected, peer reviewed papers from the 2nd International Conference on Damage Mechanics (ICDM2), July 8-11, 2015, Troyes, France
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ISBN:9783038355502
303835550X
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.784.292