178 lines
4.5 KiB
Plaintext
178 lines
4.5 KiB
Plaintext
#####################
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<homogenization>
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#####################
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[SX]
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type isostrain
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Ngrains 1
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[RGC]
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type RGC
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Ngrains 8
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[Taylor2]
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type isostrain
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Ngrains 2
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[Taylor4]
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type isostrain
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Ngrains 4
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[Taylor10]
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type isostrain
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Ngrains 10
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[Taylor100]
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type isostrain
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Ngrains 100
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#####################
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<microstructure>
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#####################
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[TWIPSteel_Poly]
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(constituent) phase 5 texture 1 fraction 1.0
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[TWIPsteel_001]
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(constituent) phase 5 texture 2 fraction 1.0
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[TWIPsteel_011]
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(constituent) phase 5 texture 3 fraction 1.0
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[TWIPsteel_111]
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(constituent) phase 5 texture 4 fraction 1.0
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[TWIPsteel_123]
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(constituent) phase 5 texture 5 fraction 1.0
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[Alu_Polycrystal]
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(constituent) phase 1 texture 1 fraction 1.0
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[Alu_001]
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(constituent) phase 1 texture 2 fraction 1.0
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[Alu_011]
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(constituent) phase 1 texture 3 fraction 1.0
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[Alu_111]
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(constituent) phase 1 texture 4 fraction 1.0
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#####################
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<phase>
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#####################
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[Aluminum_J2isotropic]
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constitution j2
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(output) flowstress
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(output) strainrate
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c11 110.9e9
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c12 58.34e9
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taylorfactor 3
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tau0 31e6
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gdot0 0.001
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n 20
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h0 75e6
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tausat 63e6
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w0 1
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[Aluminum_phenopowerlaw]
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# slip only
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constitution phenopowerlaw
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(output) resistance_slip
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(output) shearrate_slip
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(output) resolvedstress_slip
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(output) totalshear
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(output) resistance_twin
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(output) shearrate_twin
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(output) resolvedstress_twin
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(output) totalvolfrac
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lattice_structure fcc
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Nslip 12 0 0 0 # per family
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Ntwin 0 0 0 0 # per family
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c11 106.75e9
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c12 60.41e9
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c44 28.34e9
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gdot0_slip 0.001
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n_slip 20
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s0_slip 31e6 0 0 0 # per family
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ssat_slip 63e6 0 0 0 # per family
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gdot0_twin 0.001
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n_twin 20
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s0_twin 31e6 0 0 0 # per family
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s_pr 0 # push-up factor for slip saturation due to twinning
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twin_b 0
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twin_c 0
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twin_d 0
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twin_e 0
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h0_slipslip 75e6
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h0_sliptwin 0
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h0_twinslip 0
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h0_twintwin 0
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interaction_slipslip 1 1 1.4 1.4 1.4 1.4
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interaction_sliptwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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interaction_twinslip 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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interaction_twintwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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[TWIP steel FeMnC]
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constitution dislobased
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(output) state_slip
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(output) rateofshear_slip
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(output) mfp_slip
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(output) thresholdstress_slip
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(output) state_twin
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(output) rateofshear_twin
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(output) mfp_twin
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(output) thresholdstress_twin
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C11 175.0e9 # elastic constants in Pa
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C12 115.0e9
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C44 135.0e9
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lattice_structure fcc
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Nslip 12
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Ntwin 12
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### dislocation density-based constitutive parameters ###
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burgers 2.56e-10 # Burgers vector [m]
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Qedge 5.5e-19 # Activation energy for dislocation glide [J/K] (0.5*G*b^3)
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grainsize 2.0e-5 # Average grain size [m]
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stacksize 5.0e-8 # Twin stack mean thickness [m]
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fmax 1.0 # Maximum admissible twin volume fraction
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Ndot0 0.0 # Number of potential twin source per volume per time [1/m³.s]
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interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5 # Dislocation interaction coefficients
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rho0 6.0e12 # Initial dislocation density [m/m³]
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Cmfpslip 2.0 # Adjustable parameter controlling dislocation mean free path
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Cmfptwin 1.0 # Adjustable parameter controlling twin mean free path
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Cthresholdslip 0.1 # Adjustable parameter controlling threshold stress for dislocation motion
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Cthresholdtwin 1.0 # Adjustable parameter controlling threshold stress for deformation twinning
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Cactivolume 1.0 # Adjustable parameter controlling activation volume
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Cstorage 0.02 # Adjustable parameter controlling dislocation storage
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Carecovery 0.0 # Adjustable parameter controlling athermal recovery
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#####################
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<texture>
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#####################
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[random]
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[001]
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(gauss) phi1 0.000 Phi 0.000 phi2 0.000 scatter 0.000 fraction 1.000
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[101]
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(gauss) phi1 0.000 Phi 45.000 phi2 90.000 scatter 0.000 fraction 1.000
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[111]
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(gauss) phi1 0.000 Phi 54.7356 phi2 45.000 scatter 0.000 fraction 1.000
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[123]
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(gauss) phi1 209.805 Phi 29.206 phi2 63.435 scatter 0.000 fraction 1.000
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