*PROP_DAMAGE_STRAIN
"Optional title"
did, erode, noic
$\varepsilon_{fail}^{geo}$, $\varepsilon_{fail}^{t}$, $\varepsilon_{fail}^{c}$, $\varepsilon_{fail}^{vol}$
"Optional title"
did, erode, noic
$\varepsilon_{fail}^{geo}$, $\varepsilon_{fail}^{t}$, $\varepsilon_{fail}^{c}$, $\varepsilon_{fail}^{vol}$
Parameter definition
Variable | Description |
---|---|
did | Unique damage identification number |
erode | Element erosion flag |
noic | Flag to turn off cracking along interface between different materials |
$\varepsilon_{fail}^{geo}$ | Effective geometrical failure strain |
$\varepsilon_{fail}^{t}$ | Tensile failure strain |
$\varepsilon_{fail}^{c}$ | Compressive failure strain |
$\varepsilon_{fail}^{vol}$ | Volumetric failure strain |
Description
Various strain failure criteria. The material will lose its shear strength pressure once at least one of the criteria is met. The effective geometrical strain definition is:
$\displaystyle{ \varepsilon^{geo} = \sqrt{ \frac{2}{3} \boldsymbol{\varepsilon} : \boldsymbol{\varepsilon} } }$