### $Id$ ### ### numerical parameters ### relevantStrain 1.0e-9 # strain increment considered significant iJacoStiffness 1 # frequency of stiffness update iJacoLpresiduum 1 # frequency of Jacobian update of residuum in Lp pert_Fg 1.0e-7 # deformation gradient perturbation for grain tangent pert_method 1 # perturbation method (1 = forward, 2 = backward or 3 = central) ## crystallite numerical parameters ## nCryst 20 # crystallite loop limit (only for debugging info, loop limit is determined by "subStepMinCryst") subStepMinCryst 1.0e-3 # minimum (relative) size of sub-step allowed during cutback in crystallite subStepSizeCryst 0.25 # size of substep when cutback introduced in crystallite (value between 0 and 1) stepIncreaseCryst 1.5 # increase of next substep size when previous substep converged in crystallite (value higher than 1) nState 50 # state loop limit nStress 200 # stress loop limit rTol_crystalliteState 1.0e-6 # relative tolerance in crystallite state loop (abs tol provided by constitutive law) rTol_crystalliteStress 1.0e-6 # relative tolerance in crystallite stress loop (Lp residuum) aTol_crystalliteStress 1.0e-8 # absolute tolerance in crystallite stress loop (Lp residuum!) ## homogenization numerical parameters ## nHomog 25 # homogenization loop limit (only for debugging info, loop limit is determined by "subStepMinHomog") subStepMinHomog 1.0e-3 # minimum (relative) size of sub-step allowed during cutback in homogenization subStepSizeHomog 0.25 # size of substep when cutback introduced in homogenization (value between 0 and 1) stepIncreaseHomog 1.5 # increase of next substep size when previous substep converged in homogenization (value higher than 1) nMPstate 10 # materialpoint state loop limit ## RGC scheme numerical parameters ## aTol_RGC 1.0e+4 # absolute tolerance of RGC residuum (in Pa) rTol_RGC 1.0e-3 # relative ... aMax_RGC 1.0e+10 # absolute upper-limit of RGC residuum (in Pa) rMax_RGC 1.0e+3 # relative ... perturbPenalty_RGC 1.0e-7 # perturbation for computing penalty tangent relevantMismatch_RGC 1.0e-5 # minimum threshold of mismatch viscosityRate_RGC 1.0e+0 # power (sensitivity rate) of numerical viscosity in RGC scheme viscosityModulus_RGC 0.0e+0 # stress modulus of RGC numerical viscosity (zero = without numerical viscosity) maxRelaxation_RGC 1.0e+0 # threshold of maximum relaxation vector increment (if exceed this then cutback) maxvoldiscrepancy_RGC 1.0e-5 # threshold of maximum volume discrepancy allowed voldiscrepancymod_RGC 0.0e+8 # energy modulus of RGC volume discrepancy (zero = without volume discrepancy constraint) discrepancypower_RGC 5.0 # powerlaw penalty for volume discrepancy fixed_seed 1234 # put any number larger than zero, integer, if you want to have a pseudo random distribution