CSMm 2.5.Constitutive Laws

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[[Category: CSMm 2.Structure]]
 
[[Category: CSMm 2.Structure]]
 
[[Category: CSMm 2.5.Constitutive_Laws]]
 
[[Category: CSMm 2.5.Constitutive_Laws]]
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For the moment one can use a simple elastic model or a more complex elasto-plastic model with a VonMisses yield criterion:
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*'''Elastic model'''
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<math>\boldsymbol{\sigma = D \cdot \epsilon} </math>
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*'''Elasto-Plastic model:'''
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It uses a '''Von Mises''' yield criterion: plastic yielding starts when the elastic energy stored in changes of shape reaches a critical value.
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The constitutive law class is a core class of kratos. Located in kratos/kratos/includes/constitutive_law.h.
 
The constitutive law class is a core class of kratos. Located in kratos/kratos/includes/constitutive_law.h.
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--- to be continued
 
--- to be continued
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Latest revision as of 11:22, 3 October 2013


For the moment one can use a simple elastic model or a more complex elasto-plastic model with a VonMisses yield criterion:


  • Elastic model


\boldsymbol{\sigma = D \cdot \epsilon}


  • Elasto-Plastic model:


It uses a Von Mises yield criterion: plastic yielding starts when the elastic energy stored in changes of shape reaches a critical value.



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