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doc:user:elements:volumes:damage

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doc:user:elements:volumes:damage [2014/09/30 15:16] jorisdoc:user:elements:volumes:damage [2016/03/30 15:23] – external edit 127.0.0.1
Line 26: Line 26:
   * Evolution of the damage variable $ D $:   * Evolution of the damage variable $ D $:
  
-$$+
  \begin{align}  \begin{align}
 \dot{D}&=\dfrac{D_{N}}{s_N\sqrt{2\pi}}\exp\left[-\dfrac{1}{2}\left[\dfrac{\bar{\varepsilon}^{vp}-\varepsilon_N}{s_N}\right]^2\right]\dot{\bar{\varepsilon}}^{vp}+\left[1-D\right]\text{tr}\left(\mathbf{D^{irr}}\right) &\text{ si }D<D_{crit} \notag \\ \dot{D}&=\dfrac{D_{N}}{s_N\sqrt{2\pi}}\exp\left[-\dfrac{1}{2}\left[\dfrac{\bar{\varepsilon}^{vp}-\varepsilon_N}{s_N}\right]^2\right]\dot{\bar{\varepsilon}}^{vp}+\left[1-D\right]\text{tr}\left(\mathbf{D^{irr}}\right) &\text{ si }D<D_{crit} \notag \\
 &=\dfrac{D_{ult}-D_{crit}}{\Delta \varepsilon}\dot{\bar{\varepsilon}}^{vp}& \text{ si } D>D_{crit} \notag &=\dfrac{D_{ult}-D_{crit}}{\Delta \varepsilon}\dot{\bar{\varepsilon}}^{vp}& \text{ si } D>D_{crit} \notag
 \end{align}  \end{align} 
-$$+ 
  
 === Parameters === === Parameters ===
  
-^   Name                                                                 ^     Metafor Code      Dependency ^+^   Name                                            ^     Metafor Code      Dependency ^ 
 | Viscosity ($ K $)                                                            |      ''GURSON_K''      |  -  | | Viscosity ($ K $)                                                            |      ''GURSON_K''      |  -  |
 | Sensitivity to strain rate ($ m $)                                                ''GURSON_M''      |  -  | | Sensitivity to strain rate ($ m $)                                                ''GURSON_M''      |  -  |
doc/user/elements/volumes/damage.txt · Last modified: 2018/11/13 17:38 by boman

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