Input Record

The model description and parameters are summarized in Tab. 27.


Table 27: MDM model - summary.
Description MDM Anisotropic damage model
  Common parameters
Record Format Mdm d(rn) # nmp(ins) # talpha(rn) # parmd(rn) # nonloc(in) # formulation(in) # mode(in) #
Parameters -num material model number
  - D material density
  - nmp number of microplanes used for hemisphere integration, supported values are 21,28, and 61
  - talpha thermal dillatation coeff
  - parmd
  - nonloc
  - formulation
  - mode
Nonlocal variant I  
Additional params r(rn) # efp(rn) # ep(rn) #
  -r nonlocal interaction radius
  -efp $ \varepsilon_fp$ is a model parameter that controls the post-peak slope $ \varepsilon_fp$ = $ \varepsilon_f-\varepsilon_0$, where $ \varepsilon _f$ is strain at zero stress level.
  -ep max effective strain at peak $ \varepsilon_0$
Nonlocal variant II  
Additional params r(rn) # gf(rn) # ft(rn) #
  -r nonlocal intraction radius
  -gf fracture energy
  -ft tensile strength
Local variant I  
Additional params efp(rn) # ep(rn) #
  -efp $ \varepsilon_fp$ is a model parameter that controls the post-peak slope $ \varepsilon_fp$ = $ \varepsilon_f-\varepsilon_0$, where $ \varepsilon _f$ is strain at zero stress level.
  -ep max effective strain at peak $ \varepsilon_0$
Local variant II  
Additional params gf(rn) # ep(rn) #
  -gf fracture energy
  -ep max effective strain at peak $ \varepsilon_0$
Supported modes 3dMat, PlaneStress
Features Adaptivity support


Borek Patzak
2018-01-02