CSMm 2.5.Constitutive Laws
From KratosWiki
(Difference between revisions)
Line 1: | Line 1: | ||
[[Category: CSMm 2.Structure]] | [[Category: CSMm 2.Structure]] | ||
[[Category: CSMm 2.5.Constitutive_Laws]] | [[Category: CSMm 2.5.Constitutive_Laws]] | ||
+ | |||
+ | For the moment one can use a simple elastic model or a more complex elasto-plastic model with a VonMisses yield criterion: | ||
+ | |||
+ | |||
+ | *'''Elastic model''' | ||
+ | |||
+ | |||
+ | <math>\boldsymbol{\sigma = D \cdot \epsilon} </math> | ||
+ | |||
+ | |||
+ | *'''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. | ||
+ | |||
+ | |||
+ | <!-- The following text is commented--> | ||
+ | |||
+ | <!-- | ||
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. | ||
Line 160: | Line 179: | ||
--- to be continued | --- to be continued | ||
+ | |||
+ | --> |
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
- 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.