From 711506df37e2117d11734140cba3c2c95e2f9af2 Mon Sep 17 00:00:00 2001 From: Sharan Roongta Date: Tue, 22 Sep 2020 16:04:14 +0200 Subject: [PATCH] extended to phenopower law --- src/constitutive_plastic_phenopowerlaw.f90 | 198 ++++++++++----------- 1 file changed, 99 insertions(+), 99 deletions(-) diff --git a/src/constitutive_plastic_phenopowerlaw.f90 b/src/constitutive_plastic_phenopowerlaw.f90 index b30a4d9df..669778007 100644 --- a/src/constitutive_plastic_phenopowerlaw.f90 +++ b/src/constitutive_plastic_phenopowerlaw.f90 @@ -8,28 +8,28 @@ submodule(constitutive:constitutive_plastic) plastic_phenopowerlaw type :: tParameters real(pReal) :: & - gdot0_slip = 1.0_pReal, & !< reference shear strain rate for slip - gdot0_twin = 1.0_pReal, & !< reference shear strain rate for twin - n_slip = 1.0_pReal, & !< stress exponent for slip - n_twin = 1.0_pReal, & !< stress exponent for twin - spr = 1.0_pReal, & !< push-up factor for slip saturation due to twinning - c_1 = 1.0_pReal, & - c_2 = 1.0_pReal, & - c_3 = 1.0_pReal, & - c_4 = 1.0_pReal, & - h0_SlipSlip = 1.0_pReal, & !< reference hardening slip - slip - h0_TwinSlip = 1.0_pReal, & !< reference hardening twin - slip - h0_TwinTwin = 1.0_pReal, & !< reference hardening twin - twin - a_slip = 1.0_pReal + dot_gamma_0_sl = 1.0_pReal, & !< reference shear strain rate for slip + dot_gamma_0_tw = 1.0_pReal, & !< reference shear strain rate for twin + n_sl = 1.0_pReal, & !< stress exponent for slip + n_tw = 1.0_pReal, & !< stress exponent for twin + f_sl_sat_tw = 1.0_pReal, & !< push-up factor for slip saturation due to twinning + c_1 = 1.0_pReal, & + c_2 = 1.0_pReal, & + c_3 = 1.0_pReal, & + c_4 = 1.0_pReal, & + h_0_sl_sl = 1.0_pReal, & !< reference hardening slip - slip + h_0_tw_sl = 1.0_pReal, & !< reference hardening twin - slip + h_0_tw_tw = 1.0_pReal, & !< reference hardening twin - twin + a_sl = 1.0_pReal real(pReal), allocatable, dimension(:) :: & - xi_slip_sat, & !< maximum critical shear stress for slip - H_int, & !< per family hardening activity (optional) - gamma_twin_char !< characteristic shear for twins + xi_inf_sl, & !< maximum critical shear stress for slip + h_int, & !< per family hardening activity (optional) + gamma_tw_char !< characteristic shear for twins real(pReal), allocatable, dimension(:,:) :: & - interaction_SlipSlip, & !< slip resistance from slip activity - interaction_SlipTwin, & !< slip resistance from twin activity - interaction_TwinSlip, & !< twin resistance from slip activity - interaction_TwinTwin !< twin resistance from twin activity + h_sl_sl, & !< slip resistance from slip activity + h_sl_tw, & !< slip resistance from twin activity + h_tw_sl, & !< twin resistance from slip activity + h_tw_tw !< twin resistance from twin activity real(pReal), allocatable, dimension(:,:,:) :: & P_sl, & P_tw, & @@ -78,8 +78,8 @@ module function plastic_phenopowerlaw_init() result(myPlasticity) integer, dimension(:), allocatable :: & N_sl, N_tw real(pReal), dimension(:), allocatable :: & - xi_slip_0, & !< initial critical shear stress for slip - xi_twin_0, & !< initial critical shear stress for twin + xi_0_sl, & !< initial critical shear stress for slip + xi_0_tw, & !< initial critical shear stress for twin a !< non-Schmid coefficients character(len=pStringLen) :: & extmsg = '' @@ -128,36 +128,36 @@ module function plastic_phenopowerlaw_init() result(myPlasticity) prm%nonSchmid_pos = prm%P_sl prm%nonSchmid_neg = prm%P_sl endif - prm%interaction_SlipSlip = lattice_interaction_SlipBySlip(N_sl, & - pl%get_asFloats('h_sl_sl'), & - phase%get_asString('lattice')) + prm%h_sl_sl = lattice_interaction_SlipBySlip(N_sl, & + pl%get_asFloats('h_sl_sl'), & + phase%get_asString('lattice')) - xi_slip_0 = pl%get_asFloats('xi_0_sl', requiredSize=size(N_sl)) - prm%xi_slip_sat = pl%get_asFloats('xi_inf_sl', requiredSize=size(N_sl)) - prm%H_int = pl%get_asFloats('h_int', requiredSize=size(N_sl), & - defaultVal=[(0.0_pReal,i=1,size(N_sl))]) + xi_0_sl = pl%get_asFloats('xi_0_sl', requiredSize=size(N_sl)) + prm%xi_inf_sl = pl%get_asFloats('xi_inf_sl', requiredSize=size(N_sl)) + prm%h_int = pl%get_asFloats('h_int', requiredSize=size(N_sl), & + defaultVal=[(0.0_pReal,i=1,size(N_sl))]) - prm%gdot0_slip = pl%get_asFloat('dot_gamma_0_sl') - prm%n_slip = pl%get_asFloat('n_sl') - prm%a_slip = pl%get_asFloat('a_sl') - prm%h0_SlipSlip = pl%get_asFloat('h_0_sl_sl') + prm%dot_gamma_0_sl = pl%get_asFloat('dot_gamma_0_sl') + prm%n_sl = pl%get_asFloat('n_sl') + prm%a_sl = pl%get_asFloat('a_sl') + prm%h_0_sl_sl = pl%get_asFloat('h_0_sl_sl') ! expand: family => system - xi_slip_0 = math_expand(xi_slip_0, N_sl) - prm%xi_slip_sat = math_expand(prm%xi_slip_sat,N_sl) - prm%H_int = math_expand(prm%H_int, N_sl) + xi_0_sl = math_expand(xi_0_sl, N_sl) + prm%xi_inf_sl = math_expand(prm%xi_inf_sl,N_sl) + prm%h_int = math_expand(prm%h_int, N_sl) ! sanity checks - if ( prm%gdot0_slip <= 0.0_pReal) extmsg = trim(extmsg)//' dot_gamma_0_sl' - if ( prm%a_slip <= 0.0_pReal) extmsg = trim(extmsg)//' a_sl' - if ( prm%n_slip <= 0.0_pReal) extmsg = trim(extmsg)//' n_sl' - if (any(xi_slip_0 <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_0_sl' - if (any(prm%xi_slip_sat <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_sl' + if ( prm%dot_gamma_0_sl <= 0.0_pReal) extmsg = trim(extmsg)//' dot_gamma_0_sl' + if ( prm%a_sl <= 0.0_pReal) extmsg = trim(extmsg)//' a_sl' + if ( prm%n_sl <= 0.0_pReal) extmsg = trim(extmsg)//' n_sl' + if (any(xi_0_sl <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_0_sl' + if (any(prm%xi_inf_sl <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_sl' else slipActive - xi_slip_0 = emptyRealArray - allocate(prm%xi_slip_sat,prm%H_int,source=emptyRealArray) - allocate(prm%interaction_SlipSlip(0,0)) + xi_0_sl = emptyRealArray + allocate(prm%xi_inf_sl,prm%h_int,source=emptyRealArray) + allocate(prm%h_sl_sl(0,0)) endif slipActive !-------------------------------------------------------------------------------------------------- @@ -165,52 +165,52 @@ module function plastic_phenopowerlaw_init() result(myPlasticity) N_tw = pl%get_asInts('N_tw', defaultVal=emptyIntArray) prm%sum_N_tw = sum(abs(N_tw)) twinActive: if (prm%sum_N_tw > 0) then - prm%P_tw = lattice_SchmidMatrix_twin(N_tw,phase%get_asString('lattice'),& - phase%get_asFloat('c/a',defaultVal=0.0_pReal)) - prm%interaction_TwinTwin = lattice_interaction_TwinByTwin(N_tw,& - pl%get_asFloats('h_tw_tw'), & - phase%get_asString('lattice')) - prm%gamma_twin_char = lattice_characteristicShear_twin(N_tw,phase%get_asString('lattice'),& - phase%get_asFloat('c/a',defaultVal=0.0_pReal)) + prm%P_tw = lattice_SchmidMatrix_twin(N_tw,phase%get_asString('lattice'),& + phase%get_asFloat('c/a',defaultVal=0.0_pReal)) + prm%h_tw_tw = lattice_interaction_TwinByTwin(N_tw,& + pl%get_asFloats('h_tw_tw'), & + phase%get_asString('lattice')) + prm%gamma_tw_char = lattice_characteristicShear_twin(N_tw,phase%get_asString('lattice'),& + phase%get_asFloat('c/a',defaultVal=0.0_pReal)) - xi_twin_0 = pl%get_asFloats('xi_0_tw',requiredSize=size(N_tw)) + xi_0_tw = pl%get_asFloats('xi_0_tw',requiredSize=size(N_tw)) - prm%c_1 = pl%get_asFloat('c_1',defaultVal=0.0_pReal) - prm%c_2 = pl%get_asFloat('c_2',defaultVal=1.0_pReal) - prm%c_3 = pl%get_asFloat('c_3',defaultVal=0.0_pReal) - prm%c_4 = pl%get_asFloat('c_4',defaultVal=0.0_pReal) - prm%gdot0_twin = pl%get_asFloat('dot_gamma_0_tw') - prm%n_twin = pl%get_asFloat('n_tw') - prm%spr = pl%get_asFloat('f_sl_sat_tw') - prm%h0_TwinTwin = pl%get_asFloat('h_0_tw_tw') + prm%c_1 = pl%get_asFloat('c_1',defaultVal=0.0_pReal) + prm%c_2 = pl%get_asFloat('c_2',defaultVal=1.0_pReal) + prm%c_3 = pl%get_asFloat('c_3',defaultVal=0.0_pReal) + prm%c_4 = pl%get_asFloat('c_4',defaultVal=0.0_pReal) + prm%dot_gamma_0_tw = pl%get_asFloat('dot_gamma_0_tw') + prm%n_tw = pl%get_asFloat('n_tw') + prm%f_sl_sat_tw = pl%get_asFloat('f_sl_sat_tw') + prm%h_0_tw_tw = pl%get_asFloat('h_0_tw_tw') ! expand: family => system - xi_twin_0 = math_expand(xi_twin_0,N_tw) + xi_0_tw = math_expand(xi_0_tw,N_tw) ! sanity checks - if (prm%gdot0_twin <= 0.0_pReal) extmsg = trim(extmsg)//' dot_gamma_0_tw' - if (prm%n_twin <= 0.0_pReal) extmsg = trim(extmsg)//' n_tw' + if (prm%dot_gamma_0_tw <= 0.0_pReal) extmsg = trim(extmsg)//' dot_gamma_0_tw' + if (prm%n_tw <= 0.0_pReal) extmsg = trim(extmsg)//' n_tw' else twinActive - xi_twin_0 = emptyRealArray - allocate(prm%gamma_twin_char,source=emptyRealArray) - allocate(prm%interaction_TwinTwin(0,0)) + xi_0_tw = emptyRealArray + allocate(prm%gamma_tw_char,source=emptyRealArray) + allocate(prm%h_tw_tw(0,0)) endif twinActive !-------------------------------------------------------------------------------------------------- ! slip-twin related parameters slipAndTwinActive: if (prm%sum_N_sl > 0 .and. prm%sum_N_tw > 0) then - prm%h0_TwinSlip = pl%get_asFloat('h_0_tw_sl') - prm%interaction_SlipTwin = lattice_interaction_SlipByTwin(N_sl,N_tw,& - pl%get_asFloats('h_sl_tw'), & - phase%get_asString('lattice')) - prm%interaction_TwinSlip = lattice_interaction_TwinBySlip(N_tw,N_sl,& - pl%get_asFloats('h_tw_sl'), & - phase%get_asString('lattice')) + prm%h_0_tw_sl = pl%get_asFloat('h_0_tw_sl') + prm%h_sl_tw = lattice_interaction_SlipByTwin(N_sl,N_tw,& + pl%get_asFloats('h_sl_tw'), & + phase%get_asString('lattice')) + prm%h_tw_sl = lattice_interaction_TwinBySlip(N_tw,N_sl,& + pl%get_asFloats('h_tw_sl'), & + phase%get_asString('lattice')) else slipAndTwinActive - allocate(prm%interaction_SlipTwin(prm%sum_N_sl,prm%sum_N_tw)) ! at least one dimension is 0 - allocate(prm%interaction_TwinSlip(prm%sum_N_tw,prm%sum_N_sl)) ! at least one dimension is 0 - prm%h0_TwinSlip = 0.0_pReal + allocate(prm%h_sl_tw(prm%sum_N_sl,prm%sum_N_tw)) ! at least one dimension is 0 + allocate(prm%h_tw_sl(prm%sum_N_tw,prm%sum_N_sl)) ! at least one dimension is 0 + prm%h_0_tw_sl = 0.0_pReal endif slipAndTwinActive !-------------------------------------------------------------------------------------------------- @@ -237,7 +237,7 @@ module function plastic_phenopowerlaw_init() result(myPlasticity) startIndex = 1 endIndex = prm%sum_N_sl stt%xi_slip => plasticState(p)%state (startIndex:endIndex,:) - stt%xi_slip = spread(xi_slip_0, 2, NipcMyPhase) + stt%xi_slip = spread(xi_0_sl, 2, NipcMyPhase) dot%xi_slip => plasticState(p)%dotState(startIndex:endIndex,:) plasticState(p)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal) if(any(plasticState(p)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_xi' @@ -245,7 +245,7 @@ module function plastic_phenopowerlaw_init() result(myPlasticity) startIndex = endIndex + 1 endIndex = endIndex + prm%sum_N_tw stt%xi_twin => plasticState(p)%state (startIndex:endIndex,:) - stt%xi_twin = spread(xi_twin_0, 2, NipcMyPhase) + stt%xi_twin = spread(xi_0_tw, 2, NipcMyPhase) dot%xi_twin => plasticState(p)%dotState(startIndex:endIndex,:) plasticState(p)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal) if(any(plasticState(p)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_xi' @@ -354,20 +354,20 @@ module subroutine plastic_phenopowerlaw_dotState(Mp,instance,of) associate(prm => param(instance), stt => state(instance), dot => dotState(instance)) sumGamma = sum(stt%gamma_slip(:,of)) - sumF = sum(stt%gamma_twin(:,of)/prm%gamma_twin_char) + sumF = sum(stt%gamma_twin(:,of)/prm%gamma_tw_char) !-------------------------------------------------------------------------------------------------- ! system-independent (nonlinear) prefactors to M_Xx (X influenced by x) matrices - c_SlipSlip = prm%h0_slipslip * (1.0_pReal + prm%c_1*sumF** prm%c_2) - c_TwinSlip = prm%h0_TwinSlip * sumGamma**prm%c_3 - c_TwinTwin = prm%h0_TwinTwin * sumF**prm%c_4 + c_SlipSlip = prm%h_0_sl_sl * (1.0_pReal + prm%c_1*sumF** prm%c_2) + c_TwinSlip = prm%h_0_tw_sl * sumGamma**prm%c_3 + c_TwinTwin = prm%h_0_tw_tw * sumF**prm%c_4 !-------------------------------------------------------------------------------------------------- ! calculate left and right vectors - left_SlipSlip = 1.0_pReal + prm%H_int - xi_slip_sat_offset = prm%spr*sqrt(sumF) - right_SlipSlip = abs(1.0_pReal-stt%xi_slip(:,of) / (prm%xi_slip_sat+xi_slip_sat_offset)) **prm%a_slip & - * sign(1.0_pReal,1.0_pReal-stt%xi_slip(:,of) / (prm%xi_slip_sat+xi_slip_sat_offset)) + left_SlipSlip = 1.0_pReal + prm%h_int + xi_slip_sat_offset = prm%f_sl_sat_tw*sqrt(sumF) + right_SlipSlip = abs(1.0_pReal-stt%xi_slip(:,of) / (prm%xi_inf_sl+xi_slip_sat_offset)) **prm%a_sl & + * sign(1.0_pReal,1.0_pReal-stt%xi_slip(:,of) / (prm%xi_inf_sl+xi_slip_sat_offset)) !-------------------------------------------------------------------------------------------------- ! shear rates @@ -378,11 +378,11 @@ module subroutine plastic_phenopowerlaw_dotState(Mp,instance,of) !-------------------------------------------------------------------------------------------------- ! hardening dot%xi_slip(:,of) = c_SlipSlip * left_SlipSlip * & - matmul(prm%interaction_SlipSlip,dot%gamma_slip(:,of)*right_SlipSlip) & - + matmul(prm%interaction_SlipTwin,dot%gamma_twin(:,of)) + matmul(prm%h_sl_sl,dot%gamma_slip(:,of)*right_SlipSlip) & + + matmul(prm%h_sl_tw,dot%gamma_twin(:,of)) - dot%xi_twin(:,of) = c_TwinSlip * matmul(prm%interaction_TwinSlip,dot%gamma_slip(:,of)) & - + c_TwinTwin * matmul(prm%interaction_TwinTwin,dot%gamma_twin(:,of)) + dot%xi_twin(:,of) = c_TwinSlip * matmul(prm%h_tw_sl,dot%gamma_slip(:,of)) & + + c_TwinTwin * matmul(prm%h_tw_tw,dot%gamma_twin(:,of)) end associate end subroutine plastic_phenopowerlaw_dotState @@ -460,29 +460,29 @@ pure subroutine kinetics_slip(Mp,instance,of, & enddo where(dNeq0(tau_slip_pos)) - gdot_slip_pos = prm%gdot0_slip * merge(0.5_pReal,1.0_pReal, prm%nonSchmidActive) & ! 1/2 if non-Schmid active - * sign(abs(tau_slip_pos/stt%xi_slip(:,of))**prm%n_slip, tau_slip_pos) + gdot_slip_pos = prm%dot_gamma_0_sl * merge(0.5_pReal,1.0_pReal, prm%nonSchmidActive) & ! 1/2 if non-Schmid active + * sign(abs(tau_slip_pos/stt%xi_slip(:,of))**prm%n_sl, tau_slip_pos) else where gdot_slip_pos = 0.0_pReal end where where(dNeq0(tau_slip_neg)) - gdot_slip_neg = prm%gdot0_slip * 0.5_pReal & ! only used if non-Schmid active, always 1/2 - * sign(abs(tau_slip_neg/stt%xi_slip(:,of))**prm%n_slip, tau_slip_neg) + gdot_slip_neg = prm%dot_gamma_0_sl * 0.5_pReal & ! only used if non-Schmid active, always 1/2 + * sign(abs(tau_slip_neg/stt%xi_slip(:,of))**prm%n_sl, tau_slip_neg) else where gdot_slip_neg = 0.0_pReal end where if (present(dgdot_dtau_slip_pos)) then where(dNeq0(gdot_slip_pos)) - dgdot_dtau_slip_pos = gdot_slip_pos*prm%n_slip/tau_slip_pos + dgdot_dtau_slip_pos = gdot_slip_pos*prm%n_sl/tau_slip_pos else where dgdot_dtau_slip_pos = 0.0_pReal end where endif if (present(dgdot_dtau_slip_neg)) then where(dNeq0(gdot_slip_neg)) - dgdot_dtau_slip_neg = gdot_slip_neg*prm%n_slip/tau_slip_neg + dgdot_dtau_slip_neg = gdot_slip_neg*prm%n_sl/tau_slip_neg else where dgdot_dtau_slip_neg = 0.0_pReal end where @@ -524,15 +524,15 @@ pure subroutine kinetics_twin(Mp,instance,of,& enddo where(tau_twin > 0.0_pReal) - gdot_twin = (1.0_pReal-sum(stt%gamma_twin(:,of)/prm%gamma_twin_char)) & ! only twin in untwinned volume fraction - * prm%gdot0_twin*(abs(tau_twin)/stt%xi_twin(:,of))**prm%n_twin + gdot_twin = (1.0_pReal-sum(stt%gamma_twin(:,of)/prm%gamma_tw_char)) & ! only twin in untwinned volume fraction + * prm%dot_gamma_0_tw*(abs(tau_twin)/stt%xi_twin(:,of))**prm%n_tw else where gdot_twin = 0.0_pReal end where if (present(dgdot_dtau_twin)) then where(dNeq0(gdot_twin)) - dgdot_dtau_twin = gdot_twin*prm%n_twin/tau_twin + dgdot_dtau_twin = gdot_twin*prm%n_tw/tau_twin else where dgdot_dtau_twin = 0.0_pReal end where