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consistent variable names

This commit is contained in:
Martin Diehl 2021-07-23 07:09:54 +02:00
parent f6378790f1
commit 2cc8612572
1 changed files with 61 additions and 62 deletions
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115
src/phase_mechanical_plastic_kinehardening.f90
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@ -33,13 +33,14 @@ submodule(phase:plastic) kinehardening
end type tParameters end type tParameters
type :: tKinehardeningState type :: tKinehardeningState
real(pReal), pointer, dimension(:,:) :: & !< vectors along NipcMyInstance real(pReal), pointer, dimension(:,:) :: &
crss, & !< critical resolved stress xi, & !< resistance against plastic slip
crss_back, & !< critical resolved back stress chi, & !< back stress
sense, & !< sense of acting shear stress (-1 or +1) chi_0, & !< back stress at last switch of stress sense
chi0, & !< backstress at last switch of stress sense gamma, & !< accumulated (absolute) shear
gamma0, & !< accumulated shear at last switch of stress sense gamma_0, & !< accumulated shear at last switch of stress sense
accshear !< accumulated (absolute) shear sgn_gamma !< sense of acting shear stress (-1 or +1)
end type tKinehardeningState end type tKinehardeningState
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
@ -154,7 +155,6 @@ module function plastic_kinehardening_init() result(myPlasticity)
if (any(prm%xi_inf_f <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_f' if (any(prm%xi_inf_f <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_f'
if (any(prm%xi_inf_b <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_b' if (any(prm%xi_inf_b <= 0.0_pReal)) extmsg = trim(extmsg)//' xi_inf_b'
!ToDo: Any sensible checks for theta?
else slipActive else slipActive
xi_0 = emptyRealArray xi_0 = emptyRealArray
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) 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)
@ -164,8 +164,8 @@ module function plastic_kinehardening_init() result(myPlasticity)
!-------------------------------------------------------------------------------------------------- !--------------------------------------------------------------------------------------------------
! allocate state arrays ! allocate state arrays
Nmembers = count(material_phaseID == ph) Nmembers = count(material_phaseID == ph)
sizeDotState = size(['crss ','crss_back', 'accshear ']) * prm%sum_N_sl !ToDo: adjust names like in material.yaml sizeDotState = size(['xi ','chi ', 'gamma']) * prm%sum_N_sl
sizeDeltaState = size(['sense ', 'chi0 ', 'gamma0' ]) * prm%sum_N_sl !ToDo: adjust names like in material.yaml sizeDeltaState = size(['sgn_gamma', 'chi_0 ', 'gamma_0 ']) * prm%sum_N_sl
sizeState = sizeDotState + sizeDeltaState sizeState = sizeDotState + sizeDeltaState
call phase_allocateState(plasticState(ph),Nmembers,sizeState,sizeDotState,sizeDeltaState) call phase_allocateState(plasticState(ph),Nmembers,sizeState,sizeDotState,sizeDeltaState)
@ -174,40 +174,40 @@ module function plastic_kinehardening_init() result(myPlasticity)
! state aliases and initialization ! state aliases and initialization
startIndex = 1 startIndex = 1
endIndex = prm%sum_N_sl endIndex = prm%sum_N_sl
stt%crss => plasticState(ph)%state (startIndex:endIndex,:) stt%xi => plasticState(ph)%state (startIndex:endIndex,:)
stt%crss = spread(xi_0, 2, Nmembers) stt%xi = spread(xi_0, 2, Nmembers)
dot%crss => plasticState(ph)%dotState(startIndex:endIndex,:) dot%xi => plasticState(ph)%dotState(startIndex:endIndex,:)
plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal) plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal)
if(any(plasticState(ph)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_xi' if(any(plasticState(ph)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_xi'
startIndex = endIndex + 1 startIndex = endIndex + 1
endIndex = endIndex + prm%sum_N_sl endIndex = endIndex + prm%sum_N_sl
stt%crss_back => plasticState(ph)%state (startIndex:endIndex,:) stt%chi => plasticState(ph)%state (startIndex:endIndex,:)
dot%crss_back => plasticState(ph)%dotState(startIndex:endIndex,:) dot%chi => plasticState(ph)%dotState(startIndex:endIndex,:)
plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal) plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_xi',defaultVal=1.0_pReal)
startIndex = endIndex + 1 startIndex = endIndex + 1
endIndex = endIndex + prm%sum_N_sl endIndex = endIndex + prm%sum_N_sl
stt%accshear => plasticState(ph)%state (startIndex:endIndex,:) stt%gamma => plasticState(ph)%state (startIndex:endIndex,:)
dot%accshear => plasticState(ph)%dotState(startIndex:endIndex,:) dot%gamma => plasticState(ph)%dotState(startIndex:endIndex,:)
plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_gamma',defaultVal=1.0e-6_pReal) plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_gamma',defaultVal=1.0e-6_pReal)
if(any(plasticState(ph)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_gamma' if(any(plasticState(ph)%atol(startIndex:endIndex) < 0.0_pReal)) extmsg = trim(extmsg)//' atol_gamma'
o = plasticState(ph)%offsetDeltaState o = plasticState(ph)%offsetDeltaState
startIndex = endIndex + 1 startIndex = endIndex + 1
endIndex = endIndex + prm%sum_N_sl endIndex = endIndex + prm%sum_N_sl
stt%sense => plasticState(ph)%state (startIndex :endIndex ,:) stt%sgn_gamma => plasticState(ph)%state (startIndex :endIndex ,:)
dlt%sense => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:) dlt%sgn_gamma => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
startIndex = endIndex + 1 startIndex = endIndex + 1
endIndex = endIndex + prm%sum_N_sl endIndex = endIndex + prm%sum_N_sl
stt%chi0 => plasticState(ph)%state (startIndex :endIndex ,:) stt%chi_0 => plasticState(ph)%state (startIndex :endIndex ,:)
dlt%chi0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:) dlt%chi_0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
startIndex = endIndex + 1 startIndex = endIndex + 1
endIndex = endIndex + prm%sum_N_sl endIndex = endIndex + prm%sum_N_sl
stt%gamma0 => plasticState(ph)%state (startIndex :endIndex ,:) stt%gamma_0 => plasticState(ph)%state (startIndex :endIndex ,:)
dlt%gamma0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:) dlt%gamma_0 => plasticState(ph)%deltaState(startIndex-o:endIndex-o,:)
end associate end associate
@ -283,21 +283,21 @@ module subroutine plastic_kinehardening_dotState(Mp,ph,en)
associate(prm => param(ph), stt => state(ph),dot => dotState(ph)) associate(prm => param(ph), stt => state(ph),dot => dotState(ph))
call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg) call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg)
dot%accshear(:,en) = abs(dot_gamma_pos+dot_gamma_neg) dot%gamma(:,en) = abs(dot_gamma_pos+dot_gamma_neg)
sumGamma = sum(stt%accshear(:,en)) sumGamma = sum(stt%gamma(:,en))
dot%crss(:,en) = matmul(prm%h_sl_sl,dot%accshear(:,en)) & dot%xi(:,en) = matmul(prm%h_sl_sl,dot%gamma(:,en)) &
* ( prm%h_inf_f & * ( prm%h_inf_f &
+ (prm%h_0_f - prm%h_inf_f + prm%h_0_f*prm%h_inf_f*sumGamma/prm%xi_inf_f) & + (prm%h_0_f - prm%h_inf_f + prm%h_0_f*prm%h_inf_f*sumGamma/prm%xi_inf_f) &
* exp(-sumGamma*prm%h_0_f/prm%xi_inf_f) & * exp(-sumGamma*prm%h_0_f/prm%xi_inf_f) &
) )
dot%crss_back(:,en) = stt%sense(:,en)*dot%accshear(:,en) * & dot%chi(:,en) = stt%sgn_gamma(:,en)*dot%gamma(:,en) * &
( prm%h_inf_b + & ( prm%h_inf_b + &
(prm%h_0_b - prm%h_inf_b & (prm%h_0_b - prm%h_inf_b &
+ prm%h_0_b*prm%h_inf_b/(prm%xi_inf_b+stt%chi0(:,en))*(stt%accshear(:,en)-stt%gamma0(:,en))& + prm%h_0_b*prm%h_inf_b/(prm%xi_inf_b+stt%chi_0(:,en))*(stt%gamma(:,en)-stt%gamma_0(:,en))&
) *exp(-(stt%accshear(:,en)-stt%gamma0(:,en)) *prm%h_0_b/(prm%xi_inf_b+stt%chi0(:,en))) & ) *exp(-(stt%gamma(:,en)-stt%gamma_0(:,en)) *prm%h_0_b/(prm%xi_inf_b+stt%chi_0(:,en))) &
) )
end associate end associate
@ -318,25 +318,24 @@ module subroutine plastic_kinehardening_deltaState(Mp,ph,en)
real(pReal), dimension(param(ph)%sum_N_sl) :: & real(pReal), dimension(param(ph)%sum_N_sl) :: &
dot_gamma_pos,dot_gamma_neg, & dot_gamma_pos,dot_gamma_neg, &
sense sgn_gamma
associate(prm => param(ph), stt => state(ph), dlt => deltaState(ph)) associate(prm => param(ph), stt => state(ph), dlt => deltaState(ph))
call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg) call kinetics(Mp,ph,en,dot_gamma_pos,dot_gamma_neg)
sense = merge(state(ph)%sense(:,en), & ! keep existing... sgn_gamma = merge(state(ph)%sgn_gamma(:,en), &
sign(1.0_pReal,dot_gamma_pos+dot_gamma_neg), & ! ...or have a defined sign(1.0_pReal,dot_gamma_pos+dot_gamma_neg), &
dEq0(dot_gamma_pos+dot_gamma_neg,1e-10_pReal)) ! current sense of shear direction dEq0(dot_gamma_pos+dot_gamma_neg,1e-10_pReal))
!-------------------------------------------------------------------------------------------------- where(dNeq(sgn_gamma,stt%sgn_gamma(:,en),0.1_pReal)) ! ToDo sgn_gamma*stt%sgn_gamma(:,en)<0
! switch in sense of shear? dlt%sgn_gamma (:,en) = sgn_gamma - stt%sgn_gamma(:,en)
where(dNeq(sense,stt%sense(:,en),0.1_pReal)) dlt%chi_0 (:,en) = abs(stt%chi(:,en)) - stt%chi_0(:,en)
dlt%sense (:,en) = sense - stt%sense(:,en) ! switch sense dlt%gamma_0(:,en) = stt%gamma(:,en) - stt%gamma_0(:,en)
dlt%chi0 (:,en) = abs(stt%crss_back(:,en)) - stt%chi0(:,en) ! remember current backstress magnitude
dlt%gamma0(:,en) = stt%accshear(:,en) - stt%gamma0(:,en) ! remember current accumulated shear
else where else where
dlt%sense (:,en) = 0.0_pReal dlt%sgn_gamma (:,en) = 0.0_pReal
dlt%chi0 (:,en) = 0.0_pReal dlt%chi_0 (:,en) = 0.0_pReal
dlt%gamma0(:,en) = 0.0_pReal dlt%gamma_0(:,en) = 0.0_pReal
end where end where
end associate end associate
@ -358,22 +357,22 @@ module subroutine plastic_kinehardening_results(ph,group)
outputsLoop: do o = 1,size(prm%output) outputsLoop: do o = 1,size(prm%output)
select case(trim(prm%output(o))) select case(trim(prm%output(o)))
case ('xi') case ('xi')
if(prm%sum_N_sl>0) call results_writeDataset(stt%crss,group,trim(prm%output(o)), & if(prm%sum_N_sl>0) call results_writeDataset(stt%xi,group,trim(prm%output(o)), &
'resistance against plastic slip','Pa') 'resistance against plastic slip','Pa')
case ('tau_b') case ('tau_b') !ToDo tbd
if(prm%sum_N_sl>0) call results_writeDataset(stt%crss_back,group,trim(prm%output(o)), & if(prm%sum_N_sl>0) call results_writeDataset(stt%chi,group,trim(prm%output(o)), &
'back stress against plastic slip','Pa') 'back stress','Pa')
case ('sgn(gamma)') case ('sgn(gamma)')
if(prm%sum_N_sl>0) call results_writeDataset(stt%sense,group,trim(prm%output(o)), & ! ToDo: could be int if(prm%sum_N_sl>0) call results_writeDataset(stt%sgn_gamma,group,trim(prm%output(o)), & ! ToDo: could be int
'sense of shear','1') 'sense of shear','1')
case ('chi_0') case ('chi')
if(prm%sum_N_sl>0) call results_writeDataset(stt%chi0,group,trim(prm%output(o)), & if(prm%sum_N_sl>0) call results_writeDataset(stt%chi_0,group,trim(prm%output(o)), &
'tbd','Pa') 'back stress at last switch of stress sense','Pa')
case ('gamma_0') case ('gamma_0')
if(prm%sum_N_sl>0) call results_writeDataset(stt%gamma0,group,trim(prm%output(o)), & if(prm%sum_N_sl>0) call results_writeDataset(stt%gamma_0,group,trim(prm%output(o)), &
'tbd','1') 'plastic shear at last switch of stress sense','1')
case ('gamma') case ('gamma')
if(prm%sum_N_sl>0) call results_writeDataset(stt%accshear,group,trim(prm%output(o)), & if(prm%sum_N_sl>0) call results_writeDataset(stt%gamma,group,trim(prm%output(o)), &
'plastic shear','1') 'plastic shear','1')
end select end select
enddo outputsLoop enddo outputsLoop
@ -401,7 +400,7 @@ pure subroutine kinetics(Mp,ph,en, &
real(pReal), intent(out), dimension(param(ph)%sum_N_sl) :: & real(pReal), intent(out), dimension(param(ph)%sum_N_sl) :: &
dot_gamma_pos, & dot_gamma_pos, &
dot_gamma_neg dot_gamma_neg
real(pReal), intent(out), optional, dimension(param(ph)%sum_N_sl) :: & real(pReal), intent(out), dimension(param(ph)%sum_N_sl), optional :: &
ddot_gamma_dtau_pos, & ddot_gamma_dtau_pos, &
ddot_gamma_dtau_neg ddot_gamma_dtau_neg
@ -414,21 +413,21 @@ pure subroutine kinetics(Mp,ph,en, &
associate(prm => param(ph), stt => state(ph)) associate(prm => param(ph), stt => state(ph))
do i = 1, prm%sum_N_sl do i = 1, prm%sum_N_sl
tau_pos(i) = math_tensordot(Mp,prm%P_nS_pos(1:3,1:3,i)) - stt%crss_back(i,en) tau_pos(i) = math_tensordot(Mp,prm%P_nS_pos(1:3,1:3,i)) - stt%chi(i,en)
tau_neg(i) = merge(math_tensordot(Mp,prm%P_nS_neg(1:3,1:3,i)) - stt%crss_back(i,en), & tau_neg(i) = merge(math_tensordot(Mp,prm%P_nS_neg(1:3,1:3,i)) - stt%chi(i,en), &
0.0_pReal, prm%nonSchmidActive) 0.0_pReal, prm%nonSchmidActive)
enddo enddo
where(dNeq0(tau_pos)) where(dNeq0(tau_pos))
dot_gamma_pos = prm%dot_gamma_0 * merge(0.5_pReal,1.0_pReal, prm%nonSchmidActive) & ! 1/2 if non-Schmid active dot_gamma_pos = prm%dot_gamma_0 * merge(0.5_pReal,1.0_pReal, prm%nonSchmidActive) & ! 1/2 if non-Schmid active
* sign(abs(tau_pos/stt%crss(:,en))**prm%n, tau_pos) * sign(abs(tau_pos/stt%xi(:,en))**prm%n, tau_pos)
else where else where
dot_gamma_pos = 0.0_pReal dot_gamma_pos = 0.0_pReal
end where end where
where(dNeq0(tau_neg)) where(dNeq0(tau_neg))
dot_gamma_neg = prm%dot_gamma_0 * 0.5_pReal & ! only used if non-Schmid active, always 1/2 dot_gamma_neg = prm%dot_gamma_0 * 0.5_pReal & ! only used if non-Schmid active, always 1/2
* sign(abs(tau_neg/stt%crss(:,en))**prm%n, tau_neg) * sign(abs(tau_neg/stt%xi(:,en))**prm%n, tau_neg)
else where else where
dot_gamma_neg = 0.0_pReal dot_gamma_neg = 0.0_pReal
end where end where