346 lines
12 KiB
Plaintext
346 lines
12 KiB
Plaintext
#####################
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# $Id$
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#####################
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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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[Grain_Cluster]
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type RGC
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ngrains 8
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clustersize 2 2 2 # product of these numbers must be equal to ngrains(!)
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grainsizeparameter 1.0e+3 1.0e+3 1.0e+3 # in [nm]
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overproportionality 1.0e+1 1.0e+1 1.0e+1 # typical range between 0.1 (very large grain) to 100 (very small grain)
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(output) constitutivework
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(output) penaltyenergy
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(output) magnitudemismatch
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(output) volumediscrepancy
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[Taylor2]
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type isostrain
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Ngrains 2
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#####################
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<microstructure>
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#####################
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[Aluminum_Poly]
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/elementhomogeneous/ # put this flag to set ips identical in one element (something like reduced integration)
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(constituent) phase 3 texture 1 fraction 1.0
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[Aluminum_001]
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(constituent) phase 3 texture 2 fraction 1.0
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[Aluminum_j2]
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(constituent) phase 1 texture 1 fraction 1.0
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[DP_Steel]
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/elementhomogeneous/
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(constituent) phase 1 texture 1 fraction 0.82
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(constituent) phase 2 texture 1 fraction 0.18
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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 2.25
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relevantResistance 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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tau0_slip 31e6 # per family
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tausat_slip 63e6 # per family
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w0_slip 2.25
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gdot0_twin 0.001
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n_twin 20
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tau0_twin 31e6 # 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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relevantResistance 1
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[Aluminum_nonlocal]
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constitution nonlocal
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/nonlocal/
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(output) rho
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(output) rho_edge
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(output) rho_screw
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(output) rho_sgl
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(output) rho_sgl_edge
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(output) rho_sgl_edge_pos
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(output) rho_sgl_edge_neg
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(output) rho_sgl_screw
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(output) rho_sgl_screw_pos
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(output) rho_sgl_screw_neg
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(output) rho_sgl_mobile
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(output) rho_sgl_edge_mobile
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(output) rho_sgl_edge_pos_mobile
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(output) rho_sgl_edge_neg_mobile
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(output) rho_sgl_screw_mobile
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(output) rho_sgl_screw_pos_mobile
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(output) rho_sgl_screw_neg_mobile
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(output) rho_sgl_immobile
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(output) rho_sgl_edge_immobile
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(output) rho_sgl_edge_pos_immobile
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(output) rho_sgl_edge_neg_immobile
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(output) rho_sgl_screw_immobile
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(output) rho_sgl_screw_pos_immobile
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(output) rho_sgl_screw_neg_immobile
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(output) rho_dip
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(output) rho_dip_edge
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(output) rho_dip_screw
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(output) excess_rho
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(output) excess_rho_edge
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(output) excess_rho_screw
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(output) rho_forest
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(output) delta
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(output) delta_sgl
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(output) delta_dip
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(output) shearrate
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(output) resolvedstress
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(output) resolvedstress_internal
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(output) resolvedstress_external
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(output) resistance
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(output) rho_dot
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(output) rho_dot_sgl
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(output) rho_dot_dip
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(output) rho_dot_gen
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(output) rho_dot_gen_edge
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(output) rho_dot_gen_screw
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(output) rho_dot_sgl2dip
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(output) rho_dot_dip2sgl
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(output) rho_dot_ann_ath
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(output) rho_dot_ann_the
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(output) fluxDensity_edge_pos_x
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(output) fluxDensity_edge_pos_y
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(output) fluxDensity_edge_pos_z
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(output) fluxDensity_edge_neg_x
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(output) fluxDensity_edge_neg_y
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(output) fluxDensity_edge_neg_z
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(output) fluxDensity_screw_pos_x
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(output) fluxDensity_screw_pos_y
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(output) fluxDensity_screw_pos_z
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(output) fluxDensity_screw_neg_x
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(output) fluxDensity_screw_neg_y
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(output) fluxDensity_screw_neg_z
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(output) d_upper_edge
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(output) d_upper_screw
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(output) d_upper_dot_edge
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(output) d_upper_dot_screw
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lattice_structure fcc
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Nslip 12 0 0 0 # number of slip systems 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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burgers 2.86e-10 0 0 0 # Burgers vector in m
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rhoSglEdgePos0 1e11 0 0 0 # Initial positive edge single dislocation density in m/m**3
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rhoSglEdgeNeg0 1e11 0 0 0 # Initial negative edge single dislocation density in m/m**3
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rhoSglScrewPos0 1e11 0 0 0 # Initial positive screw single dislocation density in m/m**3
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rhoSglScrewNeg0 1e11 0 0 0 # Initial negative screw single dislocation density in m/m**3
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rhoDipEdge0 1e8 0 0 0 # Initial edge dipole dislocation density in m/m**3
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rhoDipScrew0 1e8 0 0 0 # Initial screw dipole dislocation density in m/m**3
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v0 1e-4 0 0 0 # prefactor for dislocation velocity
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Q0 3e-19 # activation energy for dislocation glide
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dDipMinEdge 1e-9 0 0 0 # minimum distance for stable edge dipoles in m
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dDipMinScrew 1e-9 0 0 0 # minimum distance for stable screw dipoles in m
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lambda0 100 0 0 0 # prefactor for mean free path
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atomicVolume 1.7e-29
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D0 1e-4 # prefactor for self-diffusion coefficient
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Qsd 2.3e-19 # activation enthalpy for seld-diffusion
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relevantRho 1e3 # dislocation density considered relevant
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interaction_SlipSlip 0.122 0.122 0.625 0.07 0.137 0.122 # Dislocation interaction coefficient
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[BCC_Ferrite]
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constitution phenopowerlaw
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lattice_structure bcc
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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 233.3e9
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c12 135.5e9
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c44 118.0e9
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gdot0_slip 0.001
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n_slip 20
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tau0_slip 88.0e6 0 0 0 # per family
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tausat_slip 201.0e6 0 0 0 # per family
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gdot0_twin 0.001
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n_twin 20
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tau0_twin 31.0e6 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 391.0e6
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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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w0_slip 1.0
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relevantResistance 1
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[BCC_Martensite]
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constitution phenopowerlaw
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lattice_structure bcc
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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 511.1e9
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c12 296.9e9
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c44 258.5e9
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gdot0_slip 0.001
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n_slip 20
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tau0_slip 396.0e6 0 0 0 # per family
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tausat_slip 1120.0e6 0 0 0 # per family
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gdot0_twin 0.001
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n_twin 20
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tau0_twin 31.0e6 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 215000.0e6
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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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w0_slip 4.0
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relevantResistance 1
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[TWIP steel FeMnC]
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#(output) edge_density
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#(output) dipole_density
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#(output) shear_rate_slip
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#(output) mfp_slip
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#(output) resolved_stress_slip
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#(output) threshold_stress_slip
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#(output) twin_fraction
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#(output) shear_rate_twin
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#(output) mfp_twin
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#(output) resolved_stress_twin
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#(output) threshold_stress_twin
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### Material parameters ###
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lattice_structure fcc
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constitution dislotwin
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C11 175.0e9 # From Music et al. Applied Physics Letters 91, 191904 (2007)
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C12 115.0e9
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C44 135.0e9
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grainsize 2.0e-5 # Average grain size [m]
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### Dislocation glide adjusting parameters ###
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Nslip 12 0 0 0
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slipburgers 2.56e-10 0 0 0 # Burgers vector of slip system [m]
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rhoedge0 1.0e12 0 0 0 # Initial dislocation density [m/m<>]
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rhoedgedip0 1.0 0 0 0 # Initial dislocation density [m/m<>]
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Qedge 3.7e-19 0 0 0 # Activation energy for dislocation glide [J]
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v0 1.0e-4 0 0 0 # Initial glide velocity [m/s]
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CLambdaSlip 10.0 0 0 0 # Adj. parameter controlling dislocation mean free path
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D0 4.0e-5 # Vacancy diffusion prefactor [m<>/s]
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Qsd 4.5e-19 # Activation energy for climb [J]
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pexponent 1.0 # p-exponent in glide velocity
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qexponent 1.0 # p-exponent in glide velocity
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Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b]
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Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
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relevantRho 1.0e-200
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interactionSlipSlip 0.122 0.122 0.625 0.07 0.137 0.122 # Interaction coefficients (Kubin et al. 2008)
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### dislocation density-based constitutive parameters ###
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Ntwin 12
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twinburgers 1.47e-10 # Burgers vector of twin system [m]
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twinsize 5.0e-8 # Twin stack mean thickness [m]
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maxtwinfraction 1.0 # Maximum admissible twin volume fraction
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Ndot0 0.0 # Number of potential source per volume per time [1/m<>.s]
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rexponent 10.0 # r-exponent in glide velocity
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Cmfptwin 1.0 # Adj. parameter controlling twin mean free path
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Cthresholdtwin 1.0 # Adj. parameter controlling slip threshold stress
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interactionSlipTwin 0.0 1.0 # Dislocation interaction coefficients
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interactionTwinTwin 0.0 1.0 # Dislocation interaction coefficients
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#####################
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<texture>
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#####################
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[Rolling]
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hybridIA DP_EBSD.linearODF
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symmetry orthotropic # or monoclinic
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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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[fiber example]
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# fiber axis in spherical coordinates: alpha crystal system, beta sample system
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(fiber) alpha1 123 alpha2 123 beta1 12 beta2 45 scatter 15 fraction 0.333 |