consistent variable names
This commit is contained in:
Martin Diehl
parent
f6378790f1
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2cc8612572
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@ -33,13 +33,14 @@ submodule(phase:plastic) kinehardening
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end type tParameters
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type :: tKinehardeningState
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real(pReal), pointer, dimension(:,:) :: & !< vectors along NipcMyInstance
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crss, & !< critical resolved stress
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crss_back, & !< critical resolved back stress
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sense, & !< sense of acting shear stress (-1 or +1)
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chi0, & !< backstress at last switch of stress sense
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gamma0, & !< accumulated shear at last switch of stress sense
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accshear !< accumulated (absolute) shear
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real(pReal), pointer, dimension(:,:) :: &
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xi, & !< resistance against plastic slip
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chi, & !< back stress
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chi_0, & !< back stress at last switch of stress sense
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gamma, & !< accumulated (absolute) shear
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gamma_0, & !< accumulated shear at last switch of stress sense
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sgn_gamma !< sense of acting shear stress (-1 or +1)
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end type tKinehardeningState
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!--------------------------------------------------------------------------------------------------
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@ -154,7 +155,6 @@ module function plastic_kinehardening_init() result(myPlasticity)
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if (any(prm%xi_inf_f <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_f'
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if (any(prm%xi_inf_b <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_b'
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!ToDo: Any sensible checks for theta?
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else slipActive
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xi_0 = emptyRealArray
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allocate(prm%xi_inf_f,prm%xi_inf_b,prm%h_0_f,prm%h_inf_f,prm%h_0_b,prm%h_inf_b,source=emptyRealArray)
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@ -164,8 +164,8 @@ module function plastic_kinehardening_init() result(myPlasticity)
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!--------------------------------------------------------------------------------------------------
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! allocate state arrays
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Nmembers = count(material_phaseID == ph)
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sizeDotState = size(['crss ','crss_back', 'accshear ']) * prm%sum_N_sl !ToDo: adjust names like in material.yaml
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sizeDeltaState = size(['sense ', 'chi0 ', 'gamma0' ]) * prm%sum_N_sl !ToDo: adjust names like in material.yaml
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sizeDotState = size(['xi ','chi ', 'gamma']) * prm%sum_N_sl
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sizeDeltaState = size(['sgn_gamma', 'chi_0 ', 'gamma_0 ']) * prm%sum_N_sl
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sizeState = sizeDotState + sizeDeltaState
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call phase_allocateState(plasticState(ph),Nmembers,sizeState,sizeDotState,sizeDeltaState)
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@ -174,40 +174,40 @@ module function plastic_kinehardening_init() result(myPlasticity)
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! state aliases and initialization
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startIndex = 1
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endIndex = prm%sum_N_sl
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stt%crss => plasticState(ph)%state (startIndex:endIndex,:)
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stt%crss = spread(xi_0, 2, Nmembers)
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dot%crss => plasticState(ph)%dotState(startIndex:endIndex,:)
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stt%xi => plasticState(ph)%state (startIndex:endIndex,:)
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stt%xi = spread(xi_0, 2, Nmembers)
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dot%xi => plasticState(ph)%dotState(startIndex:endIndex,:)
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plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal)
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if(any(plasticState(ph)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_xi'
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startIndex = endIndex + 1
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endIndex = endIndex + prm%sum_N_sl
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stt%crss_back => plasticState(ph)%state (startIndex:endIndex,:)
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dot%crss_back => plasticState(ph)%dotState(startIndex:endIndex,:)
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stt%chi => plasticState(ph)%state (startIndex:endIndex,:)
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dot%chi => plasticState(ph)%dotState(startIndex:endIndex,:)
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plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal)
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startIndex = endIndex + 1
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endIndex = endIndex + prm%sum_N_sl
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stt%accshear => plasticState(ph)%state (startIndex:endIndex,:)
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dot%accshear => plasticState(ph)%dotState(startIndex:endIndex,:)
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stt%gamma => plasticState(ph)%state (startIndex:endIndex,:)
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dot%gamma => plasticState(ph)%dotState(startIndex:endIndex,:)
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plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_gamma',defaultVal=1.0e-6_pReal)
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if(any(plasticState(ph)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_gamma'
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o = plasticState(ph)%offsetDeltaState
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startIndex = endIndex + 1
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endIndex = endIndex + prm%sum_N_sl
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stt%sense => plasticState(ph)%state (startIndex :endIndex ,:)
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dlt%sense => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
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stt%sgn_gamma => plasticState(ph)%state (startIndex :endIndex ,:)
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dlt%sgn_gamma => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
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startIndex = endIndex + 1
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endIndex = endIndex + prm%sum_N_sl
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stt%chi0 => plasticState(ph)%state (startIndex :endIndex ,:)
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dlt%chi0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
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stt%chi_0 => plasticState(ph)%state (startIndex :endIndex ,:)
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dlt%chi_0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
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startIndex = endIndex + 1
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endIndex = endIndex + prm%sum_N_sl
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stt%gamma0 => plasticState(ph)%state (startIndex :endIndex ,:)
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dlt%gamma0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
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stt%gamma_0 => plasticState(ph)%state (startIndex :endIndex ,:)
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dlt%gamma_0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
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end associate
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@ -283,21 +283,21 @@ module subroutine plastic_kinehardening_dotState(Mp,ph,en)
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associate(prm => param(ph), stt => state(ph),dot => dotState(ph))
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call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg)
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dot%accshear(:,en) = abs(dot_gamma_pos+dot_gamma_neg)
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sumGamma = sum(stt%accshear(:,en))
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dot%gamma(:,en) = abs(dot_gamma_pos+dot_gamma_neg)
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sumGamma = sum(stt%gamma(:,en))
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dot%crss(:,en) = matmul(prm%h_sl_sl,dot%accshear(:,en)) &
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dot%xi(:,en) = matmul(prm%h_sl_sl,dot%gamma(:,en)) &
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* ( prm%h_inf_f &
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+ (prm%h_0_f - prm%h_inf_f + prm%h_0_f*prm%h_inf_f*sumGamma/prm%xi_inf_f) &
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* exp(-sumGamma*prm%h_0_f/prm%xi_inf_f) &
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)
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dot%crss_back(:,en) = stt%sense(:,en)*dot%accshear(:,en) * &
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dot%chi(:,en) = stt%sgn_gamma(:,en)*dot%gamma(:,en) * &
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( prm%h_inf_b + &
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(prm%h_0_b - prm%h_inf_b &
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+ prm%h_0_b*prm%h_inf_b/(prm%xi_inf_b+stt%chi0(:,en))*(stt%accshear(:,en)-stt%gamma0(:,en))&
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) *exp(-(stt%accshear(:,en)-stt%gamma0(:,en)) *prm%h_0_b/(prm%xi_inf_b+stt%chi0(:,en))) &
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+ prm%h_0_b*prm%h_inf_b/(prm%xi_inf_b+stt%chi_0(:,en))*(stt%gamma(:,en)-stt%gamma_0(:,en))&
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) *exp(-(stt%gamma(:,en)-stt%gamma_0(:,en)) *prm%h_0_b/(prm%xi_inf_b+stt%chi_0(:,en))) &
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)
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end associate
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@ -318,26 +318,25 @@ module subroutine plastic_kinehardening_deltaState(Mp,ph,en)
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real(pReal), dimension(param(ph)%sum_N_sl) :: &
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dot_gamma_pos,dot_gamma_neg, &
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sense
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sgn_gamma
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associate(prm => param(ph), stt => state(ph), dlt => deltaState(ph))
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call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg)
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sense = merge(state(ph)%sense(:,en), & ! keep existing...
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sign(1.0_pReal,dot_gamma_pos+dot_gamma_neg), & ! ...or have a defined
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dEq0(dot_gamma_pos+dot_gamma_neg,1e-10_pReal)) ! current sense of shear direction
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call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg)
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sgn_gamma = merge(state(ph)%sgn_gamma(:,en), &
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sign(1.0_pReal,dot_gamma_pos+dot_gamma_neg), &
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dEq0(dot_gamma_pos+dot_gamma_neg,1e-10_pReal))
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!--------------------------------------------------------------------------------------------------
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! switch in sense of shear?
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where(dNeq(sense,stt%sense(:,en),0.1_pReal))
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dlt%sense (:,en) = sense - stt%sense(:,en) ! switch sense
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dlt%chi0 (:,en) = abs(stt%crss_back(:,en)) - stt%chi0(:,en) ! remember current backstress magnitude
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dlt%gamma0(:,en) = stt%accshear(:,en) - stt%gamma0(:,en) ! remember current accumulated shear
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else where
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dlt%sense (:,en) = 0.0_pReal
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dlt%chi0 (:,en) = 0.0_pReal
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dlt%gamma0(:,en) = 0.0_pReal
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end where
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where(dNeq(sgn_gamma,stt%sgn_gamma(:,en),0.1_pReal)) ! ToDo sgn_gamma*stt%sgn_gamma(:,en)<0
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dlt%sgn_gamma (:,en) = sgn_gamma - stt%sgn_gamma(:,en)
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dlt%chi_0 (:,en) = abs(stt%chi(:,en)) - stt%chi_0(:,en)
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dlt%gamma_0(:,en) = stt%gamma(:,en) - stt%gamma_0(:,en)
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else where
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dlt%sgn_gamma (:,en) = 0.0_pReal
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dlt%chi_0 (:,en) = 0.0_pReal
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dlt%gamma_0(:,en) = 0.0_pReal
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end where
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end associate
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@ -358,22 +357,22 @@ module subroutine plastic_kinehardening_results(ph,group)
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outputsLoop: do o = 1,size(prm%output)
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select case(trim(prm%output(o)))
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case ('xi')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%crss,group,trim(prm%output(o)), &
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if(prm%sum_N_sl>0) call results_writeDataset(stt%xi,group,trim(prm%output(o)), &
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'resistance against plastic slip','Pa')
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case ('tau_b')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%crss_back,group,trim(prm%output(o)), &
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'back stress against plastic slip','Pa')
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case ('tau_b') !ToDo tbd
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if(prm%sum_N_sl>0) call results_writeDataset(stt%chi,group,trim(prm%output(o)), &
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'back stress','Pa')
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case ('sgn(gamma)')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%sense,group,trim(prm%output(o)), & ! ToDo: could be int
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if(prm%sum_N_sl>0) call results_writeDataset(stt%sgn_gamma,group,trim(prm%output(o)), & ! ToDo: could be int
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'sense of shear','1')
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case ('chi_0')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%chi0,group,trim(prm%output(o)), &
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'tbd','Pa')
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case ('chi')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%chi_0,group,trim(prm%output(o)), &
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'back stress at last switch of stress sense','Pa')
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case ('gamma_0')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%gamma0,group,trim(prm%output(o)), &
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'tbd','1')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%gamma_0,group,trim(prm%output(o)), &
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'plastic shear at last switch of stress sense','1')
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case ('gamma')
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if(prm%sum_N_sl>0) call results_writeDataset(stt%accshear,group,trim(prm%output(o)), &
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if(prm%sum_N_sl>0) call results_writeDataset(stt%gamma,group,trim(prm%output(o)), &
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'plastic shear','1')
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end select
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enddo outputsLoop
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@ -394,14 +393,14 @@ pure subroutine kinetics(Mp,ph,en, &
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real(pReal), dimension(3,3), intent(in) :: &
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Mp !< Mandel stress
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integer, intent(in) :: &
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integer, intent(in) :: &
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ph, &
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en
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real(pReal), intent(out), dimension(param(ph)%sum_N_sl) :: &
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dot_gamma_pos, &
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dot_gamma_neg
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real(pReal), intent(out), optional, dimension(param(ph)%sum_N_sl) :: &
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real(pReal), intent(out), dimension(param(ph)%sum_N_sl), optional :: &
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ddot_gamma_dtau_pos, &
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ddot_gamma_dtau_neg
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@ -414,21 +413,21 @@ pure subroutine kinetics(Mp,ph,en, &
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associate(prm => param(ph), stt => state(ph))
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do i = 1, prm%sum_N_sl
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tau_pos(i) = math_tensordot(Mp,prm%P_nS_pos(1:3,1:3,i)) - stt%crss_back(i,en)
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tau_neg(i) = merge(math_tensordot(Mp,prm%P_nS_neg(1:3,1:3,i)) - stt%crss_back(i,en), &
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tau_pos(i) = math_tensordot(Mp,prm%P_nS_pos(1:3,1:3,i)) - stt%chi(i,en)
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tau_neg(i) = merge(math_tensordot(Mp,prm%P_nS_neg(1:3,1:3,i)) - stt%chi(i,en), &
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0.0_pReal, prm%nonSchmidActive)
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enddo
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where(dNeq0(tau_pos))
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dot_gamma_pos = prm%dot_gamma_0 * merge(0.5_pReal,1.0_pReal, prm%nonSchmidActive) & ! 1/2 if non-Schmid active
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* sign(abs(tau_pos/stt%crss(:,en))**prm%n, tau_pos)
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* sign(abs(tau_pos/stt%xi(:,en))**prm%n, tau_pos)
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else where
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dot_gamma_pos = 0.0_pReal
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end where
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where(dNeq0(tau_neg))
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dot_gamma_neg = prm%dot_gamma_0 * 0.5_pReal & ! only used if non-Schmid active, always 1/2
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* sign(abs(tau_neg/stt%crss(:,en))**prm%n, tau_neg)
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* sign(abs(tau_neg/stt%xi(:,en))**prm%n, tau_neg)
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else where
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dot_gamma_neg = 0.0_pReal
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end where
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