Description 
Mazars damage model for concrete 
Record Format 
MazarsModel d(rn) # E(rn) #
n(rn) # e0(rn) #
ac(rn) # [bc(rn) #] [beta(rn) #]
at(rn) # [ bt(rn) #]
[hreft(rn) #] [hrefc(rn) #]
[version(in) #] [tAlpha(rn) #] [equivstraintype(in) #]
[maxOmega(rn) #] 
Parameters 
 num material model number 

 d material density 

 E Young modulus 

 n Poisson ratio 

 e0 max effective strain at peak 

 ac,bc material parameters related to the shape of
uniaxial compression curve (A sample set used by Saouridis is


 beta coefficient reducing the effect of damage under
response under shear. Default value set to 1.06 

 at, [bt] material parameters related to the shape of
uniaxial tension curve. Meaning dependent on version
parameter. 

 hreft, hrefc reference characteristic lengths for
tension and compression. The material parameters are specified for
element with these characteristic lengths. The current element then
will have the same COD (Crack Opening Displacement) as reference one. 

 version Model variant. if 0 specified, the original form
of
tension damage evolution law is used, if equal 1, the modified law
used which asymptotically tends to zero


 tAlpha thermal dilatation coefficient 

 equivstraintype see Tab. 23 

 maxOmega limit maximum damage, use for convergency improvement 
Supported modes 
3dMat, PlaneStress, PlaneStrain, 1dMat 