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Features

This isotropic ductile damage model is based on total accumulated plastic slip at a material point.

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Local damage

The local damage $\phi_{l}$ is given by, \begin{equation} \label{eq: local damage} \phi_{l} = min \left(1, \frac{\gamma_{crit}}{\sum_{\alpha=1}^{nss} \gamma^{\alpha}}\right), \end{equation} where $nss$ is the total number of slip systems.

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Parameters in material configuration

To set the above parameters use the following (case-insensitive) naming scheme in a material.config file:

Parameter Name
$ \gamma_{crit}$ criticalplasticstrain
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Topic revision: r3 - 09 Jan 2015, LuvSharma

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