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Created a flag to turn off discrete twin model

This commit is contained in:
achalhp 2024-04-08 09:34:55 +05:30
parent 5f0ff71236
commit eee852fe38
3 changed files with 24 additions and 35 deletions
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3
src/crystal.f90
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@ -2160,9 +2160,12 @@ function crystal_CorrespondenceMatrix_twin(Ntwin,lattice,cOverA) result(Correspo
!CorrespondenceMatrix(1:3,1:3,1) = math_axisAngleToR(coordinateSystem(1:3,2,6), 180.0_pReal*INRAD) ! delete this !CorrespondenceMatrix(1:3,1:3,1) = math_axisAngleToR(coordinateSystem(1:3,2,6), 180.0_pReal*INRAD) ! delete this
do i = 1, sum(Ntwin) do i = 1, sum(Ntwin)
!write(6,*)'reindexation matrix',math_axisAngleToR(coordinateSystem(1:3,2,i), &
!180.0_pReal*INRAD)
CorrespondenceMatrix(1:3,1:3,i) = matmul(math_axisAngleToR(coordinateSystem(1:3,2,i), & CorrespondenceMatrix(1:3,1:3,i) = matmul(math_axisAngleToR(coordinateSystem(1:3,2,i), &
180.0_pReal*INRAD), MATH_I3 + characteristicShearTwin(i)* & 180.0_pReal*INRAD), MATH_I3 + characteristicShearTwin(i)* &
SchmidMatrixTwin(1:3,1:3,i)) SchmidMatrixTwin(1:3,1:3,i))
write(6,*)'correspondence matrix', CorrespondenceMatrix(1:3,1:3,i)
enddo enddo
end function crystal_CorrespondenceMatrix_twin end function crystal_CorrespondenceMatrix_twin

1
src/phase_mechanical.f90
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@ -1054,6 +1054,7 @@ module function phase_mechanical_constitutive(Delta_t,co,ce) result(status)
!if(.not. FpJumped .and. NiterationStressLp>1) then !Achal: Reason for this if statement? !if(.not. FpJumped .and. NiterationStressLp>1) then !Achal: Reason for this if statement?
call plastic_KinematicJump(ph, en, twinJump, deltaFp) call plastic_KinematicJump(ph, en, twinJump, deltaFp)
if(twinJump) then if(twinJump) then
todo = .false.
write(6,*) 'delta', deltaFp write(6,*) 'delta', deltaFp
write(6,*)'element jumped',en write(6,*)'element jumped',en
Fp0 = matmul(deltaFp,phase_mechanical_Fp0(ph)%data(1:3,1:3,en)) Fp0 = matmul(deltaFp,phase_mechanical_Fp0(ph)%data(1:3,1:3,en))

51
src/phase_mechanical_plastic_phenopowerlaw.f90
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@ -39,7 +39,7 @@ submodule(phase:plastic) phenopowerlaw
h_0_tw_sl, & !< reference hardening twin - slip h_0_tw_sl, & !< reference hardening twin - slip
h_0_tw_tw, & !< reference hardening twin - twin h_0_tw_tw, & !< reference hardening twin - twin
gamma_char, & !< characteristic shear for twins gamma_char, & !< characteristic shear for twins
checkstep checkstep !< Achal < Checkstep for monte carlo
real(pREAL), allocatable, dimension(:,:) :: & real(pREAL), allocatable, dimension(:,:) :: &
h_sl_sl, & !< slip resistance from slip activity h_sl_sl, & !< slip resistance from slip activity
h_sl_tw, & !< slip resistance from twin activity h_sl_tw, & !< slip resistance from twin activity
@ -59,6 +59,8 @@ submodule(phase:plastic) phenopowerlaw
character(len=:), allocatable, dimension(:) :: & character(len=:), allocatable, dimension(:) :: &
systems_sl, & systems_sl, &
systems_tw systems_tw
logical, allocatable :: &
discrete_twin
end type tParameters end type tParameters
type :: tIndexDotState type :: tIndexDotState
@ -178,6 +180,7 @@ module function plastic_phenopowerlaw_init() result(myPlasticity)
defaultVal=misc_ones(size(N_sl))), N_sl) defaultVal=misc_ones(size(N_sl))), N_sl)
prm%f_sat_sl_tw = math_expand(pl%get_as1dReal('f_sat_sl-tw', requiredSize=size(N_sl), & prm%f_sat_sl_tw = math_expand(pl%get_as1dReal('f_sat_sl-tw', requiredSize=size(N_sl), &
defaultVal=misc_zeros(size(N_sl))), N_sl) defaultVal=misc_zeros(size(N_sl))), N_sl)
prm%discrete_twin = pl%get_asBool("discrete_twin", defaultval=.true.)
prm%h_sl_sl = crystal_interaction_SlipBySlip(N_sl,pl%get_as1dReal('h_sl-sl'),phase_lattice(ph)) prm%h_sl_sl = crystal_interaction_SlipBySlip(N_sl,pl%get_as1dReal('h_sl-sl'),phase_lattice(ph))
@ -542,45 +545,27 @@ module subroutine plastic_kinematic_deltaFp(ph,en,twinJump,deltaFp)
twinJump = .false. twinJump = .false.
deltaFp = math_I3 deltaFp = math_I3
associate(prm => param(ph), stt => state(ph), dlt => deltastate(ph)) associate(prm => param(ph), stt => state(ph), dlt => deltastate(ph))
twin_var = maxloc(stt%f_twin(:,en),dim=1) twin_var = maxloc(stt%f_twin(:,en),dim=1)
!write(6,*) 'neighbor_el', geom(ph)%IPneighborhood(1,1,512)
!write(6,*) 'neighbor_el', geom(ph)%IPneighborhood(1,2,512) Discrete_twin: if ( prm%discrete_twin ) then
!write(6,*) 'neighbor_el', geom(ph)%IPneighborhood(1,3,512)
!write(6,*) 'neighbor_el', geom(ph)%IPneighborhood(1,4,512)
!write(6,*) 'neighbor_el', geom(ph)%IPneighborhood(1,5,512)
!write(6,*) 'neighbor_el', geom(ph)%IPneighborhood(1,6,512)
!write(6,*) 'material_ID_phase', material_entry_phase(1,321)
!write(6,*) 'material_ID_phase', material_entry_phase(1,69)
!write(6,*) 'material_ID_phase', material_entry_phase(1,247)
!write(6,*) 'material_ID_phase', material_entry_phase(1,142)
!write(6,*) 'material_ID_phase', material_entry_phase(1,426)
!write(6,*) 'material_ID_phase', material_entry_phase(1,358)
!write(6,*) 'material_ID_phase', material_entry_phase(1,214)
!neighborloop1: do n = 1, ncellneighbors
! neighbor_e = geom(ph)%IPneighborhood(1,n,en)
! neighbor_ip = geom(ph)%IPneighborhood(1,n,en)
! neighbor_ph = material_ID_phase(1,(neighbor_e-1)*discretization_nIPs + neighbor_ip)
! neighbor_en = material_entry_phase(1,(neighbor_e-1)*discretization_nIPs + neighbor_ip)
!write(6,*)'twinned neighbors', stt%variant_twin(neighbor_e)
!end do neighborloop1
call random_number(random) call random_number(random)
do n = 1, ncellneighbors do n = 1, ncellneighbors
neighbor_e = geom(ph)%IPneighborhood(1,n,en) neighbor_e = geom(ph)%IPneighborhood(1,n,en) !< Identify neighbor
if (any(dNeq(phase_O_0(ph)%data(en)%asQuaternion(),phase_O_0(ph)%data(neighbor_e)%asQuaternion()))) then if (any(dNeq(phase_O_0(ph)%data(en)%asQuaternion(),phase_O_0(ph)%data(neighbor_e)%asQuaternion()))) then !< Identify grain boundary elements
Ability_Nucleation: if(stt%f_twin(twin_var,en)>(stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var))) then Ability_Nucleation: if(stt%f_twin(twin_var,en)>(stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var))) then !< Frequency control
stt%fmc_twin(twin_var,en) = stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var) stt%fmc_twin(twin_var,en) = stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var)
Success_Nucleation: if (random <= stt%f_twin(twin_var,en)) then Success_Nucleation: if (random <= stt%f_twin(twin_var,en)) then
twinJump = .true. twinJump = .true.
deltaFp = prm%CorrespondenceMatrix(:,:,twin_var) deltaFp = prm%CorrespondenceMatrix(:,:,twin_var)
!write(6,*)'en',en
!write(6,*)twinJump
endif Success_Nucleation endif Success_Nucleation
endif Ability_Nucleation endif Ability_Nucleation
@ -591,24 +576,24 @@ module subroutine plastic_kinematic_deltaFp(ph,en,twinJump,deltaFp)
NeighborLoop: do n = 1, ncellneighbors NeighborLoop: do n = 1, ncellneighbors
neighbor_e = geom(ph)%IPneighborhood(1,n,en) neighbor_e = geom(ph)%IPneighborhood(1,n,en)
if(stt%variant_twin(neighbor_e)>0) then if(stt%variant_twin(neighbor_e)>0) then !< Check if neighbor is twinned
var_growth = stt%variant_twin(neighbor_e) var_growth = stt%variant_twin(neighbor_e)
!write(6,*)'var_growth',var_growth,en
exit NeighborLoop exit NeighborLoop
endif endif
enddo NeighborLoop enddo NeighborLoop
Growth_Criteria: if(var_growth>0) then Growth_Criteria: if(var_growth>0) then !< If neighbor twinned,
Ability_Growth: if(stt%f_twin(twin_var,en)>(stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var))) then Ability_Growth: if(stt%f_twin(twin_var,en)>(stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var))) then !< Frequency control
stt%fmc_twin(twin_var,en) = stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var) stt%fmc_twin(twin_var,en) = stt%fmc_twin(twin_var,en)+prm%checkstep(twin_var)
Success_Growth: if (random <= stt%f_twin(twin_var,en)) then Success_Growth: if (random <= stt%f_twin(twin_var,en)) then !< Random sampling
twinJump = .true. twinJump = .true. !< Output flag
deltaFp = prm%CorrespondenceMatrix(:,:,twin_var) deltaFp = prm%CorrespondenceMatrix(:,:,twin_var) !< Correspondence Matrix
endif Success_Growth endif Success_Growth
endif Ability_Growth endif Ability_Growth
endif Growth_Criteria endif Growth_Criteria
end if Discrete_twin
end associate end associate
end subroutine plastic_kinematic_deltaFp end subroutine plastic_kinematic_deltaFp