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transformation is for fcc-> hcp

This commit is contained in:
Martin Diehl 2022-01-26 23:13:56 +01:00
parent 95fff5d6f7
commit 9e17efd1f8
2 changed files with 14 additions and 18 deletions
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2
src/lattice.f90
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@ -533,7 +533,7 @@ function lattice_C66_trans(Ntrans,C_parent66,lattice_target, &
integer, dimension(:), intent(in) :: Ntrans !< number of active twin systems per family
character(len=2), intent(in) :: lattice_target !< Bravais lattice (Pearson symbol)
real(pReal), dimension(6,6), intent(in) :: C_parent66
real(pReal), optional, intent(in) :: a_bcc, a_fcc, cOverA_trans
real(pReal), optional, intent(in) :: cOverA_trans, a_fcc, a_bcc
real(pReal), dimension(6,6,sum(Ntrans)) :: lattice_C66_trans
real(pReal), dimension(6,6) :: C_bar66, C_target_unrotated66

30
src/phase_mechanical_plastic_dislotwin.f90
View File

@ -27,8 +27,8 @@ submodule(phase:plastic) dislotwin
E_sb = 1.0_pReal, & !< activation energy for shear bands
h = 1.0_pReal, & !< stack height of hex nucleus
T_ref = T_ROOM, &
a_cI = 1.0_pReal, &
a_cF = 1.0_pReal
a_cF = 1.0_pReal, &
cOverA_hP = 1.0_pReal
real(pReal), dimension(3) :: &
Gamma_sf = 0.0_pReal, & !< stacking fault energy
Delta_G = 0.0_pReal !< free energy difference between austensite and martensite
@ -126,6 +126,7 @@ module function plastic_dislotwin_init() result(myPlasticity)
startIndex, endIndex
integer, dimension(:), allocatable :: &
N_sl
real(pReal) :: a_cF
real(pReal), allocatable, dimension(:) :: &
rho_mob_0, & !< initial unipolar dislocation density per slip system
rho_dip_0 !< initial dipole dislocation density per slip system
@ -289,24 +290,19 @@ module function plastic_dislotwin_init() result(myPlasticity)
prm%b_tr = pl%get_as1dFloat('b_tr')
prm%b_tr = math_expand(prm%b_tr,prm%N_tr)
prm%h = pl%get_asFloat('h')
prm%i_tr = pl%get_asFloat('i_tr')
prm%Delta_G(1) = pl%get_asFloat('Delta_G')
prm%Delta_G(2) = pl%get_asFloat('Delta_G,T', defaultVal=0.0_pReal)
prm%Delta_G(3) = pl%get_asFloat('Delta_G,T^2',defaultVal=0.0_pReal)
prm%L_tr = pl%get_asFloat('L_tr')
prm%a_cI = pl%get_asFloat('a_cI', defaultVal=0.0_pReal)
prm%a_cF = pl%get_asFloat('a_cF', defaultVal=0.0_pReal)
prm%lattice_tr = pl%get_asString('lattice_tr')
prm%h = pl%get_asFloat('h')
prm%i_tr = pl%get_asFloat('i_tr')
prm%Delta_G(1) = pl%get_asFloat('Delta_G')
prm%Delta_G(2) = pl%get_asFloat('Delta_G,T', defaultVal=0.0_pReal)
prm%Delta_G(3) = pl%get_asFloat('Delta_G,T^2',defaultVal=0.0_pReal)
prm%L_tr = pl%get_asFloat('L_tr')
a_cF = pl%get_asFloat('a_cF')
prm%cOverA_hP = pl%get_asFloat('c/a_hP')
prm%h_tr_tr = lattice_interaction_TransByTrans(prm%N_tr,pl%get_as1dFloat('h_tr-tr'),&
phase_lattice(ph))
prm%P_tr = lattice_SchmidMatrix_trans(prm%N_tr,prm%lattice_tr, &
0.0_pReal, &
prm%a_cI, &
prm%a_cF)
prm%P_tr = lattice_SchmidMatrix_trans(prm%N_tr,'hP',prm%cOverA_hP)
prm%t_tr = pl%get_as1dFloat('t_tr')
prm%t_tr = math_expand(prm%t_tr,prm%N_tr)
@ -472,7 +468,7 @@ module function plastic_dislotwin_homogenizedC(ph,en) result(homogenizedC)
end if twinActive
transActive: if (prm%sum_N_tr > 0) then
C66_tr = lattice_C66_trans(prm%N_tr,C,prm%lattice_tr,0.0_pReal,prm%a_cI,prm%a_cF)
C66_tr = lattice_C66_trans(prm%N_tr,C,'hP',prm%cOverA_hP)
do i=1,prm%sum_N_tr
homogenizedC = homogenizedC &
+ stt%f_tr(i,en)*C66_tr(1:6,1:6,i)