DAMASK_EICMD/trunk/material.config

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#####################
<homogenization>
#####################
[SX]
type Taylor
Ngrains 1
[RGC]
type RGC
Ngrains 8
[Taylor4]
type Taylor
Ngrains 4
#####################
<microstructure>
#####################
[Aluminum_CubeSX]
(constituent) phase 1 texture 2 fraction 1.0
[Copper_rCubeSX]
(constituent) phase 2 texture 3 fraction 1.0
[DPsteel]
(constituent) phase 3 texture 1 fraction 0.8
(constituent) phase 4 texture 1 fraction 0.2
#####################
<phase>
#####################
[Aluminum]
[Copper]
[Ferrite]
[Martensite]
[TWIP steel FeMnC]
constitution phenomenological
lattice_structure 1
Nslip 12
(output) slipResistance
(output) rateOfShear
C11 183.9e9 # elastic constants in Pa
C12 101.9e9
C44 115.4e9
### phenomenological constitutive parameters ###
s0_slip 85.0e6 # initial slip resistance
gdot0_slip 0.001 # reference shear rate
n_slip 100.0 # stress exponent
h0 355.0e6 # initial hardening slope
s_sat 265.0e6 # saturation stress
w0 1.0 # exponent
latent_ratio 1.4 # latent/self hardening ratio
### dislocation density-based constitutive parameters ###
burgers 2.56e-10 # Burgers vector [m]
Qedge 5.5e-19 # Activation energy for dislocation glide [J/K] (0.5*G*b^3)
Qsd 4.7e-19 # Activation energy for self diffusion [J/K] (gamma-iron)
diff0 4.0e-5 # prefactor vacancy diffusion coeffficent (gamma-iron)
grain_size 2.0e-5 # Average grain size [m]
interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5 # Dislocation interaction coefficients
rho0 6.0e12 # Initial dislocation density [m/m^3]
c1 0.1 # Passing stress adjustment
c2 2.0 # Jump width adjustment
c3 1.0 # Activation volume adjustment
c4 50.0 # Average slip distance adjustment for lock formation
c5 1.0 # Average slip distance adjustment when grain boundaries
c7 8.0 # Athermal recovery adjustment
c8 1.0e10 # Thermal recovery adjustment (plays no role for me)
stack_size 5.0e-8 # Average twin thickness (stacks) [m]
f_sat 1.0 # Total twin volume fraction saturation
c6 # Average slip distance adjustment when twin boundaries [???]
site_scaling 1.0e-6 # Scaling potential nucleation sites
q1 1.0 # Scaling the P-K force on the twinning dislocation
q2 1.0 # Scaling the resolved shear stress
#####################
<texture>
#####################
[random]
[CubeSX]
(gauss) phi1 0.0 Phi 0.0 phi2 0.0 scatter 0.0 fraction 1.0
[rCubeSX]
(gauss) phi1 45.0 Phi 0.0 phi2 0.0 scatter 0.0 fraction 1.0