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cleaner and safer 

- use functions from lattice instead of repeating code
- sanity check for twin nucleation
This commit is contained in:
Martin Diehl 2018-12-10 08:34:24 +01:00
parent 51d8011afe
commit cee905443b
1 changed files with 29 additions and 34 deletions
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53
src/plastic_dislotwin.f90
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@ -107,7 +107,7 @@ module plastic_dislotwin
interaction_TransSlip, & !< coefficients for trans-slip interaction for each interaction type
interaction_TransTrans !< coefficients for trans-trans interaction for each interaction type
integer(pInt), dimension(:,:), allocatable :: &
fcc_twinNucleationSlipPair
fcc_twinNucleationSlipPair ! ToDo: Better name? Is also use for trans
real(pReal), dimension(:,:), allocatable :: &
forestProjectionEdge, &
C66
@ -124,7 +124,7 @@ module plastic_dislotwin
outputID !< ID of each post result output
logical :: &
isFCC !< twinning and transformation models are for fcc
fccTwinTransNucleation !< twinning and transformation models are for fcc
integer(pInt) :: &
totalNslip, & !< number of active slip systems for each family and instance
totalNtwin, & !< number of active twin systems for each family and instance
@ -288,7 +288,6 @@ subroutine plastic_dislotwin_init(fileUnit)
mse => microstructure(phase_plasticityInstance(p)))
! This data is read in already in lattice
prm%isFCC = merge(.true., .false., lattice_structure(p) == LATTICE_FCC_ID)
prm%mu = lattice_mu(p)
prm%nu = lattice_nu(p)
prm%C66 = lattice_C66(1:6,1:6,p)
@ -301,6 +300,13 @@ subroutine plastic_dislotwin_init(fileUnit)
prm%Nslip = config_phase(p)%getInts('nslip',defaultVal=emptyIntArray)
prm%totalNslip = sum(prm%Nslip)
slipActive: if (prm%totalNslip > 0_pInt) then
prm%fccTwinTransNucleation = merge(.true., .false., lattice_structure(p) == LATTICE_FCC_ID) &
.and. (prm%Nslip(1) == 12_pInt)
if(prm%fccTwinTransNucleation) &
prm%fcc_twinNucleationSlipPair = lattice_fcc_twinNucleationSlipPair
prm%Schmid_slip = lattice_SchmidMatrix_slip(prm%Nslip,structure(1:3),&
config_phase(p)%getFloat('c/a',defaultVal=0.0_pReal))
prm%interaction_SlipSlip = lattice_interaction_SlipSlip(prm%Nslip, &
@ -374,8 +380,10 @@ subroutine plastic_dislotwin_init(fileUnit)
prm%shear_twin = lattice_characteristicShear_Twin(prm%Ntwin,structure(1:3),&
config_phase(p)%getFloat('c/a',defaultVal=0.0_pReal))
prm%C66_twin = lattice_C66_twin(prm%Ntwin,prm%C66,structure(1:3),&
config_phase(p)%getFloat('c/a',defaultVal=0.0_pReal))
if (.not. prm%isFCC) then
if (.not. prm%fccTwinTransNucleation) then
prm%Ndot0_twin = config_phase(p)%getFloats('ndot0_twin')
prm%Ndot0_twin = math_expand(prm%Ndot0_twin,prm%Ntwin)
endif
@ -436,11 +444,14 @@ subroutine plastic_dislotwin_init(fileUnit)
prm%interaction_TwinSlip = lattice_interaction_TwinSlip(prm%Ntwin,prm%Nslip,&
config_phase(p)%getFloats('interaction_twinslip'), &
structure(1:3))
if (prm%fccTwinTransNucleation .and. prm%totalNtwin > 12_pInt) write(6,*) 'mist' ! ToDo: implement better test. The model will fail also if ntwin is [6,6]
endif
if (prm%totalNslip > 0_pInt .and. prm%totalNtrans > 0_pInt) then
prm%interaction_TransSlip = spread(config_phase(p)%getFloats('interaction_transslip'),2,1)
prm%interaction_SlipTrans = spread(config_phase(p)%getFloats('interaction_sliptrans'),2,1)
if (prm%fccTwinTransNucleation .and. prm%totalNtrans > 12_pInt) write(6,*) 'mist' ! ToDo: implement better test. The model will fail also if ntrans is [6,6]
endif
@ -598,6 +609,8 @@ subroutine plastic_dislotwin_init(fileUnit)
plasticState(p)%accumulatedSlip => &
plasticState(p)%state (offset_slip+1:offset_slip+plasticState(p)%nslip,1:NipcMyPhase)
! DEPRECATED BEGIN
allocate(temp1(prm%totalNslip,prm%totalNtrans),source =0.0_pReal)
allocate(prm%forestProjectionEdge(prm%totalNslip,prm%totalNslip),source = 0.0_pReal)
i = 0_pInt
@ -627,25 +640,6 @@ subroutine plastic_dislotwin_init(fileUnit)
enddo mySlipFamilies
prm%interaction_SlipTrans = temp1; deallocate(temp1)
allocate(prm%C66_twin(6,6,prm%totalNtwin), source=0.0_pReal)
if (lattice_structure(p) == LATTICE_fcc_ID) &
allocate(prm%fcc_twinNucleationSlipPair(2,prm%totalNtwin),source = 0_pInt)
i = 0_pInt
twinFamiliesLoop: do f = 1_pInt, size(prm%Ntwin,1)
index_myFamily = sum(prm%Ntwin(1:f-1_pInt)) ! index in truncated twin system list
twinSystemsLoop: do j = 1_pInt,prm%Ntwin(f)
i = i + 1_pInt
if (lattice_structure(p) == LATTICE_fcc_ID) prm%fcc_twinNucleationSlipPair(1:2,i) = &
lattice_fcc_twinNucleationSlipPair(1:2,sum(lattice_Ntwinsystem(1:f-1,p))+j)
!* Rotate twin elasticity matrices
index_otherFamily = sum(lattice_NtwinSystem(1:f-1_pInt,p)) ! index in full lattice twin list
prm%C66_twin(1:6,1:6,index_myFamily+j) = &
math_Mandel3333to66(math_rotate_forward3333(lattice_C3333(1:3,1:3,1:3,1:3,p),&
lattice_Qtwin(1:3,1:3,index_otherFamily+j,p)))
enddo twinSystemsLoop
enddo twinFamiliesLoop
allocate(temp1(prm%totalNtrans,prm%totalNslip), source =0.0_pReal)
allocate(prm%C66_trans(6,6,prm%totalNtrans) ,source=0.0_pReal)
allocate(prm%Schmid_trans(3,3,prm%totalNtrans),source = 0.0_pReal)
@ -673,6 +667,7 @@ subroutine plastic_dislotwin_init(fileUnit)
enddo transSystemsLoop
enddo transFamiliesLoop
prm%interaction_TransSlip = temp1; deallocate(temp1)
! DEPRECATED END
startIndex=1_pInt
endIndex=prm%totalNslip
@ -1051,7 +1046,7 @@ subroutine plastic_dislotwin_LpAndItsTangent(Lp,dLp_dMp,Mp,Temperature,instance,
significantTransStress: if (tau > tol_math_check) then
StressRatio_s = (mse%threshold_stress_trans(i,of)/tau)**prm%s(i)
isFCCtrans: if (prm%isFCC) then
isFCCtrans: if (prm%fccTwinTransNucleation) then
s1=prm%fcc_twinNucleationSlipPair(1,i)
s2=prm%fcc_twinNucleationSlipPair(2,i)
if (tau < mse%tau_r_trans(i,of)) then
@ -1189,7 +1184,7 @@ subroutine plastic_dislotwin_dotState(Mp,Temperature,instance,of)
significantTwinStress: if (tau > tol_math_check) then
StressRatio_r = (mse%threshold_stress_twin(i,of)/tau)**prm%r(i)
isFCCtwin: if (prm%isFCC) then
isFCCtwin: if (prm%fccTwinTransNucleation) then
s1=prm%fcc_twinNucleationSlipPair(1,i)
s2=prm%fcc_twinNucleationSlipPair(2,i)
if (tau < mse%tau_r_twin(i,of)) then
@ -1215,7 +1210,7 @@ subroutine plastic_dislotwin_dotState(Mp,Temperature,instance,of)
significantTransStress: if (tau > tol_math_check) then
StressRatio_s = (mse%threshold_stress_trans(i,of)/tau)**prm%s(i)
isFCCtrans: if (prm%isFCC) then
isFCCtrans: if (prm%fccTwinTransNucleation) then
s1=prm%fcc_twinNucleationSlipPair(1,i)
s2=prm%fcc_twinNucleationSlipPair(2,i)
if (tau < mse%tau_r_trans(i,of)) then
@ -1358,7 +1353,7 @@ pure subroutine kinetics_twin(prm,stt,mse,of,Mp,temperature,gdot_slip,gdot_twin,
do i = 1_pInt, prm%totalNtwin
tau(i) = math_mul33xx33(Mp,prm%Schmid_twin(1:3,1:3,i))
isFCC: if (prm%isFCC) then
isFCC: if (prm%fccTwinTransNucleation) then
s1=prm%fcc_twinNucleationSlipPair(1,i)
s2=prm%fcc_twinNucleationSlipPair(2,i)
if (tau(i) < mse%tau_r_twin(i,of)) then
@ -1430,7 +1425,7 @@ pure subroutine kinetics_trans(prm,stt,mse,of,Mp,temperature,gdot_slip,gdot_tran
do i = 1_pInt, prm%totalNtrans
tau(i) = math_mul33xx33(Mp,prm%Schmid_trans(1:3,1:3,i))
isFCC: if (prm%isFCC) then
isFCC: if (prm%fccTwinTransNucleation) then
s1=prm%fcc_twinNucleationSlipPair(1,i)
s2=prm%fcc_twinNucleationSlipPair(2,i)
if (tau(i) < mse%tau_r_trans(i,of)) then
@ -1605,7 +1600,7 @@ function plastic_dislotwin_postResults(Mp,Temperature,instance,of) result(postRe
tau = math_mul33xx33(Mp,prm%Schmid_twin(1:3,1:3,j))
if ( tau > 0.0_pReal ) then
isFCCtwin: if (prm%isFCC) then
isFCCtwin: if (prm%fccTwinTransNucleation) then
s1=prm%fcc_twinNucleationSlipPair(1,j)
s2=prm%fcc_twinNucleationSlipPair(2,j)
if (tau < mse%tau_r_twin(j,of)) then