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kinetics similar to phenopowerlaw

This commit is contained in:
Martin Diehl 2018-12-22 15:22:41 +01:00
parent b46a5b3135
commit e5ef7edbd2
1 changed files with 32 additions and 106 deletions
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138
src/plastic_kinematichardening.f90
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@ -83,8 +83,7 @@ module plastic_kinehardening
end type
type(tParameters), dimension(:), allocatable, private :: &
param, & !< containers of constitutive parameters (len Ninstance)
paramNew ! temp
param !< containers of constitutive parameters (len Ninstance)
type(tKinehardeningState), allocatable, dimension(:), private :: &
dotState, &
@ -99,7 +98,7 @@ module plastic_kinehardening
plastic_kinehardening_deltaState, &
plastic_kinehardening_postResults
private :: &
plastic_kinehardening_shearRates
kinetics
contains
@ -149,7 +148,6 @@ subroutine plastic_kinehardening_init
outputSize, &
offset_slip, &
startIndex, endIndex, &
nSlip, &
sizeDotState, &
sizeState, &
sizeDeltaState
@ -164,7 +162,6 @@ subroutine plastic_kinehardening_init
character(len=65536), dimension(:), allocatable :: &
outputs
character(len=65536) :: &
tag = '', &
extmsg = '', &
structure = ''
@ -186,7 +183,6 @@ subroutine plastic_kinehardening_init
allocate(plastic_kinehardening_Nslip(lattice_maxNslipFamily,Ninstance), source=0_pInt)
allocate(param(Ninstance)) ! one container of parameters per instance
allocate(paramNew(Ninstance))
allocate(state(Ninstance))
allocate(dotState(Ninstance))
allocate(deltaState(Ninstance))
@ -194,7 +190,7 @@ subroutine plastic_kinehardening_init
do p = 1_pInt, size(phase_plasticityInstance)
if (phase_plasticity(p) /= PLASTICITY_KINEHARDENING_ID) cycle
instance = phase_plasticityInstance(p) ! which instance of my phase
associate(prm => paramNew(phase_plasticityInstance(p)), &
associate(prm => param(phase_plasticityInstance(p)), &
dot => dotState(phase_plasticityInstance(p)), &
delta => deltaState(phase_plasticityInstance(p)), &
stt => state(phase_plasticityInstance(p)))
@ -295,8 +291,7 @@ subroutine plastic_kinehardening_init
endif
end do
param(instance)%outputID = prm%outputID
nslip = prm%totalNslip
!--------------------------------------------------------------------------------------------------
! allocate state arrays
NipcMyPhase = count(material_phase == p) ! number of constituents with my phase
@ -305,27 +300,27 @@ subroutine plastic_kinehardening_init
sizeState = sizeDotState + sizeDeltaState
call material_allocatePlasticState(p,NipcMyPhase,sizeState,sizeDotState,sizeDeltaState, &
nSlip,0_pInt,0_pInt)
prm%totalNslip,0_pInt,0_pInt)
plasticState(p)%sizePostResults = sum(plastic_kinehardening_sizePostResult(:,phase_plasticityInstance(p)))
plasticState(p)%offsetDeltaState = sizeDotState
startIndex = 1_pInt
endIndex = nSlip
endIndex = prm%totalNslip
stt%crss => plasticState(p)%state (startIndex:endIndex,1:NipcMyPhase)
dot%crss => plasticState(p)%dotState (startIndex:endIndex,1:NipcMyPhase)
stt%crss = spread(prm%crss0, 2, NipcMyPhase)
plasticState(p)%aTolState(startIndex:endIndex) = prm%aTolResistance
startIndex = endIndex + 1_pInt
endIndex = endIndex + nSlip
endIndex = endIndex + prm%totalNslip
stt%crss_back => plasticState(p)%state (startIndex:endIndex,1:NipcMyPhase)
dot%crss_back => plasticState(p)%dotState (startIndex:endIndex,1:NipcMyPhase)
plasticState(p)%aTolState(startIndex:endIndex) = prm%aTolResistance
startIndex = endIndex + 1_pInt
endIndex = endIndex + nSlip
endIndex = endIndex + prm%totalNslip
stt%accshear => plasticState(p)%state (startIndex:endIndex,1:NipcMyPhase)
dot%accshear => plasticState(p)%dotState (startIndex:endIndex,1:NipcMyPhase)
plasticState(p)%aTolState(startIndex:endIndex) = prm%aTolShear
@ -335,17 +330,17 @@ subroutine plastic_kinehardening_init
o = endIndex
startIndex = endIndex + 1_pInt
endIndex = endIndex + nSlip
endIndex = endIndex + prm%totalNslip
stt%sense => plasticState(p)%state (startIndex :endIndex ,1:NipcMyPhase)
delta%sense => plasticState(p)%deltaState(startIndex-o:endIndex-o,1:NipcMyPhase)
startIndex = endIndex + 1_pInt
endIndex = endIndex + nSlip
endIndex = endIndex + prm%totalNslip
stt%chi0 => plasticState(p)%state (startIndex :endIndex ,1:NipcMyPhase)
delta%chi0 => plasticState(p)%deltaState(startIndex-o:endIndex-o,1:NipcMyPhase)
startIndex = endIndex + 1_pInt
endIndex = endIndex + nSlip
endIndex = endIndex + prm%totalNslip
stt%gamma0 => plasticState(p)%state (startIndex :endIndex ,1:NipcMyPhase)
delta%gamma0 => plasticState(p)%deltaState(startIndex-o:endIndex-o,1:NipcMyPhase)
@ -399,15 +394,15 @@ subroutine plastic_kinehardening_LpAndItsTangent(Lp,dLp_dMp,Mp,instance,of)
j,k,l,m,n
real(pReal), dimension(paramNew(instance)%totalNslip) :: &
real(pReal), dimension(param(instance)%totalNslip) :: &
gdot_pos,gdot_neg, &
dgdot_dtau_pos,dgdot_dtau_neg
associate(prm => paramNew(instance), stt => state(instance))
associate(prm => param(instance), stt => state(instance))
Lp = 0.0_pReal
dLp_dMp = 0.0_pReal
call plastic_kinehardening_shearRates(Mp,instance,of,gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_dtau_neg)
call kinetics(Mp,instance,of,gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_dtau_neg)
do j = 1_pInt, prm%totalNslip
Lp = Lp + (gdot_pos(j)+gdot_neg(j))*prm%Schmid_slip(1:3,1:3,j)
@ -436,33 +431,30 @@ subroutine plastic_kinehardening_deltaState(Mp,instance,of)
instance, &
of
real(pReal), dimension(paramNew(instance)%totalNslip) :: &
real(pReal), dimension(param(instance)%totalNslip) :: &
gdot_pos,gdot_neg, &
sense
associate( prm => paramNew(instance), stt => state(instance), del => deltaState(instance))
associate( prm => param(instance), stt => state(instance), del => deltaState(instance))
call plastic_kinehardening_shearRates(Mp,instance,of,gdot_pos,gdot_neg)
call kinetics(Mp,instance,of,gdot_pos,gdot_neg)
sense = merge(state(instance)%sense(:,of), & ! keep existing...
sign(1.0_pReal,gdot_pos+gdot_neg), & ! ...or have a defined
dEq0(gdot_pos+gdot_neg,1e-10_pReal)) ! current sense of shear direction
#ifdef DEBUG
! if (iand(debug_level(debug_constitutive), debug_levelExtensive) /= 0_pInt &
! if (iand(debug_level(debug_constitutive), debug_levelExtensive) /= 0_pInt & ! ToDo: We need an inverse mapping of ->el, ip, co
! .and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
! .or. .not. iand(debug_level(debug_constitutive),debug_levelSelective) /= 0_pInt)) then
! write(6,'(a)') '======= kinehardening delta state ======='
! endif
#endif
#ifdef DEBUG
! if (iand(debug_level(debug_constitutive), debug_levelExtensive) /= 0_pInt &
! .and. ((el == debug_e .and. ip == debug_i .and. ipc == debug_g) &
! .or. .not. iand(debug_level(debug_constitutive),debug_levelSelective) /= 0_pInt)) then
! write(6,'(i2,1x,f7.4,1x,f7.4)') j,sense(j),state(instance)%sense(j,of)
! endif
#endif
!--------------------------------------------------------------------------------------------------
! switch in sense of shear?
where(dNeq(sense,stt%sense(:,of),0.1_pReal))
@ -480,7 +472,6 @@ subroutine plastic_kinehardening_deltaState(Mp,instance,of)
end subroutine plastic_kinehardening_deltaState
!--------------------------------------------------------------------------------------------------
!> @brief calculates the rate of change of microstructure
!--------------------------------------------------------------------------------------------------
@ -491,20 +482,19 @@ subroutine plastic_kinehardening_dotState(Mp,instance,of)
Mp !< Mandel stress
integer(pInt), intent(in) :: &
instance, &
of !< element !< microstructure state
of
integer(pInt) :: &
j
real(pReal), dimension(paramNew(instance)%totalNslip) :: &
real(pReal), dimension(param(instance)%totalNslip) :: &
gdot_pos,gdot_neg
real(pReal) :: &
sumGamma
associate( prm => paramNew(instance), stt => state(instance), dot => dotState(instance))
associate( prm => param(instance), stt => state(instance), dot => dotState(instance))
call plastic_kinehardening_shearRates(Mp,instance,of,gdot_pos,gdot_neg)
call kinetics(Mp,instance,of,gdot_pos,gdot_neg)
dot%accshear(:,of) = abs(gdot_pos+gdot_neg)
sumGamma = sum(stt%accshear(:,of))
@ -546,16 +536,16 @@ function plastic_kinehardening_postResults(Mp,instance,of) result(postResults)
integer(pInt) :: &
o,c,j
real(pReal), dimension(paramNew(instance)%totalNslip) :: &
real(pReal), dimension(param(instance)%totalNslip) :: &
gdot_pos,gdot_neg
postResults = 0.0_pReal
c = 0_pInt
associate( prm => paramNew(instance), stt => state(instance))
associate( prm => param(instance), stt => state(instance))
call plastic_kinehardening_shearRates(Mp,instance,of,gdot_pos,gdot_neg)
call kinetics(Mp,instance,of,gdot_pos,gdot_neg)
outputsLoop: do o = 1_pInt,plastic_kinehardening_Noutput(instance)
select case(prm%outputID(o))
@ -584,12 +574,10 @@ function plastic_kinehardening_postResults(Mp,instance,of) result(postResults)
c = c + prm%totalNslip
case (shearrate_ID)
postResults(c+1_pInt:c+prm%totalNslip) = gdot_pos+gdot_neg
c = c + prm%totalNslip
case (resolvedstress_ID)
do j = 1_pInt, prm%totalNslip
postResults(c+j) = math_mul33xx33(Mp,prm%Schmid_slip(1:3,1:3,j))
enddo
@ -619,33 +607,30 @@ pure subroutine kinetics(Mp,instance,of,gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_d
integer(pInt), intent(in) :: &
instance, &
of
real(pReal), dimension(paramNew(instance)%totalNslip), intent(out) :: &
real(pReal), dimension(param(instance)%totalNslip), intent(out) :: &
gdot_pos, &
gdot_neg
real(pReal), dimension(paramNew(instance)%totalNslip), optional, intent(out) :: &
real(pReal), dimension(param(instance)%totalNslip), optional, intent(out) :: &
dgdot_dtau_pos, &
dgdot_dtau_neg
real(pReal), dimension(paramNew(instance)%totalNslip) :: &
real(pReal), dimension(param(instance)%totalNslip) :: &
tau_pos, &
tau_neg
integer(pInt) :: i
logical :: nonSchmidActive
associate( prm => paramNew(instance), stt => state(instance))
associate( prm => param(instance), stt => state(instance))
nonSchmidActive = size(prm%nonSchmidCoeff) > 0_pInt
do i = 1_pInt, prm%totalNslip
tau_pos(i) = math_mul33xx33(Mp,prm%nonSchmid_pos(1:3,1:3,i))
tau_neg(i) = merge(math_mul33xx33(Mp,prm%nonSchmid_neg(1:3,1:3,i)), &
tau_pos(i) = math_mul33xx33(Mp,prm%nonSchmid_pos(1:3,1:3,i)) - stt%crss_back(i,of)
tau_neg(i) = merge(math_mul33xx33(Mp,prm%nonSchmid_neg(1:3,1:3,i)) - stt%crss_back(i,of), &
0.0_pReal, nonSchmidActive)
enddo
tau_pos = tau_pos - stt%crss_back(:,of)
tau_neg = tau_neg - stt%crss_back(:,of)
where(dNeq0(tau_pos))
gdot_pos = prm%gdot0 * merge(0.5_pReal,1.0_pReal, nonSchmidActive) & ! 1/2 if non-Schmid active
* sign(abs(tau_pos/stt%crss(:,of))**prm%n_slip, tau_pos)
@ -678,63 +663,4 @@ pure subroutine kinetics(Mp,instance,of,gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_d
end subroutine kinetics
!--------------------------------------------------------------------------------------------------
!> @brief calculation of shear rates (\dot \gamma)
!--------------------------------------------------------------------------------------------------
subroutine plastic_kinehardening_shearRates(Mp,instance,of, &
gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_dtau_neg)
use prec
use math
implicit none
real(pReal), dimension(3,3), intent(in) :: &
Mp
integer(pInt), intent(in) :: &
instance, & !< instance of that phase
of !< index of phaseMember
real(pReal), dimension(paramNew(instance)%totalNslip), intent(out) :: &
gdot_pos, & !< shear rates from positive line segments
gdot_neg !< shear rates from negative line segments
real(pReal), dimension(paramNew(instance)%totalNslip), intent(out),optional :: &
dgdot_dtau_pos, &
dgdot_dtau_neg
real(pReal), dimension(paramNew(instance)%totalNslip) :: &
tau_pos, & !< shear stress on positive line segments
tau_neg !< shear stress on negative line segments
integer(pInt) :: &
i
associate(prm => paramNew(instance), stt => state(instance))
do i = 1_pInt, prm%totalNslip
tau_pos(i) = math_mul33xx33(Mp,prm%nonSchmid_pos(1:3,1:3,i))
tau_neg(i) = math_mul33xx33(Mp,prm%nonSchmid_neg(1:3,1:3,i))
enddo
tau_pos = tau_pos - stt%crss_back(:,of)
tau_neg = tau_neg - stt%crss_back(:,of)
gdot_pos = sign(0.5_pReal * prm%gdot0 *(abs(tau_pos)/ state(instance)%crss(:,of))**prm%n_slip,tau_pos)
gdot_neg = sign(0.5_pReal * prm%gdot0 *(abs(tau_neg)/ state(instance)%crss(:,of))**prm%n_slip,tau_neg)
if (present(dgdot_dtau_pos)) then
where(dNeq0(gdot_pos))
dgdot_dtau_pos = gdot_pos*prm%n_slip/tau_pos
else where
dgdot_dtau_pos = 0.0_pReal
end where
endif
if (present(dgdot_dtau_neg)) then
where(dNeq0(gdot_neg))
dgdot_dtau_neg = gdot_neg*prm%n_slip/tau_neg
else where
dgdot_dtau_neg = 0.0_pReal
end where
endif
end associate
end subroutine plastic_kinehardening_shearRates
end module plastic_kinehardening