not needed
This commit is contained in:
Martin Diehl
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[SX]
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type isostrain
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Ngrains 1
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{./Homogenization_Damage_NonLocal.config}
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{./Homogenization_Thermal_Conduction.config}
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{./Homogenization_VacancyFlux_CahnHilliard.config}
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{./Homogenization_Porosity_PhaseField.config}
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{./Homogenization_HydrogenFlux_CahnHilliard.config}
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[Aluminum]
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elasticity hooke
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plasticity phenopowerlaw
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(output) resistance_slip
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(output) accumulatedshear_slip
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lattice_structure fcc
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Nslip 12 # 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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a_slip 2.25
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h0_slipslip 75e6
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interaction_slipslip 1 1 1.4 1.4 1.4 1.4
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# parameters fitted by D. Ma to:
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# I. Kovács, G. Vörös
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# On the mathematical description of the tensile stress-strain curves of polycrystalline face centered cubic metals
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# International Journal of Plasticity, Volume 12, Issue 1, 1996, Pages 35–43
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# DOI: 10.1016/S0749-6419(95)00043-7
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[gold_phenopowerlaw]
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elasticity hooke
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plasticity phenopowerlaw
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(output) resistance_slip
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lattice_structure fcc
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Nslip 12 # per family
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c11 191.0e9
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c12 162.0e9
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c44 42.20e9
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gdot0_slip 0.001
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n_slip 83.3
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tau0_slip 26.25e6 # per family
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tausat_slip 53.00e6 # per family
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a_slip 1.0
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h0_slipslip 75e6
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interaction_slipslip 1 1 1.4 1.4 1.4 1.4
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#-------------------#
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<phase>
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#-------------------#
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/echo/
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[Mg]
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plasticity phenopowerlaw
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elasticity hooke
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(output) resistance_slip
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(output) resistance_twin
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lattice_structure hex
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c/a 1.62350 # from Tromans 2011, Elastic Anisotropy of HCP Metal Crystals and Polycrystals
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c11 59.3e9 # - " -
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c33 61.5e9 # - " -
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c44 16.4e9 # - " -
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c12 25.7e9 # - " -
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c13 21.4e9 # - " -
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# basal prism prism pyr(a) pyr(c+a) pyr(c+a)
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Nslip 3 3 0 6 0 6 # from Agnew et al 2006, Validating a polycrystal model for the elastoplastic response of mg alloy AZ32 using in situ neutron diffraction
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# T1 C1 T2 C2
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Ntwin 6 0 0 6 # - " -
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# basal prism prism pyr(a) pyr(c+a) pyr(c+a)
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tau0_slip 10.0e6 55.0e6 0 60.0e6 0.0 60.0e6 # - " - table 1, pyr(a) set to pyr(c+a)
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tausat_slip 40.0e6 135.0e6 0 150.0e6 0.0 150.0e6 # - " - table 1, pyr(a) set to pyr(c+a)
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# T1 C1 T2 C2
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tau0_twin 40e6 0.0 0.0 60.0e6 # - " - table 1, compressive twin guessed by Steffi, tensile twin modified to match experimental results
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h0_twintwin 50.0e6 # - " - table 1, same range as theta_0
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h0_slipslip 500.0e6 # - " - table 1, same range as theta_0
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h0_twinslip 150.0e6 # guessing
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interaction_slipslip 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 # just guessing
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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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interaction_sliptwin 1 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 1 # - " -
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####################################################
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# open for discussion
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####################################################
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n_twin 20
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n_slip 20
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gdot0_twin 0.001
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gdot0_slip 0.001
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twin_b 0
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twin_c 0
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twin_d 20
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twin_e 20
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a_slip 2.25
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s_pr 10.0 # push-up factor for slip saturation due to twinning
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[cpTi-alpha]
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plasticity phenopowerlaw
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elasticity hooke
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lattice_structure hex
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covera_ratio 1.587
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# M. Levy, Handbook of Elastic Properties of Solids, Liquids, and Gases (2001)
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c11 160.0e9
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c12 90.0e9
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c13 66.0e9
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c33 181.7e9
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c44 46.5e9
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# C. Zambaldi, "Orientation informed nanoindentation of a-titanium: Indentation pileup in hexagonal metals deforming by prismatic slip", J. Mater. Res., Vol. 27, No. 1, Jan 14, 2012
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gdot0_slip 0.001
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n_slip 20
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nslip 3 3 0 0 12
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tau0_slip 349e6 150e6 0 0 1107e6
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tausat_slip 568e6 1502e6 0 0 3420e6
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a_slip 2
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h0_slipslip 200e6
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interaction_slipslip 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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[001]
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(gauss) phi1 0.000 Phi 0.000 phi2 0.000
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[101]
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(gauss) phi1 0.000 Phi 45.000 phi2 90.000
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[111]
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(gauss) phi1 0.000 Phi 54.7356 phi2 45.000
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[123]
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(gauss) phi1 209.805 Phi 29.206 phi2 63.435
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# The material.config file needs to specify five parts:
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# homogenization, microstructure, crystallite, phase, and texture.
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# You can either put the full text in here or include suited separate files
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<homogenization>
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{./Homogenization_Isostrain_SX.config}
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<microstructure>
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[one_only]
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crystallite 1
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(constituent) phase 1 texture 1 fraction 1.0
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<crystallite>
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{./Crystallite_All.config}
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<phase>
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{./Phase_Phenopowerlaw_Aluminum.config}
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<texture>
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{./Texture_Gauss_001.config}
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