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27-Oct-23-1

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achalhp 2023-10-27 18:37:16 +05:30
parent 67ecf7486e
commit a25aab9f08
1 changed files with 17 additions and 5 deletions
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22
src/phase_mechanical_plastic_phenopowerlaw.f90
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@ -265,6 +265,9 @@ module function plastic_phenopowerlaw_init() result(myPlasticity)
stt%gamma_tw => plasticState(ph)%state(startIndex:endIndex,:)
plasticState(ph)%atol(startIndex:endIndex) = pl%get_asFloat('atol_gamma',defaultVal=1.0e-6_pReal)
!if (ph == 1) write(6,*) 'crss slip', stt%xi_sl(4,:)
!if(ph==1) write(6,*) 'shear strain state', stt%gamma_tw(4,:)
end associate
!--------------------------------------------------------------------------------------------------
@ -348,6 +351,7 @@ module function phenopowerlaw_dotState(Mp,ph,en) result(dotState)
real(pReal), dimension(param(ph)%sum_N_sl) :: &
dot_gamma_sl_pos,dot_gamma_sl_neg, &
right_SlipSlip
real(pReal), dimension(1) :: twin_volume_fraction
associate(prm => param(ph), stt => state(ph), &
@ -358,7 +362,11 @@ module function phenopowerlaw_dotState(Mp,ph,en) result(dotState)
call kinetics_sl(Mp,ph,en,dot_gamma_sl_pos,dot_gamma_sl_neg)
dot_gamma_sl = abs(dot_gamma_sl_pos+dot_gamma_sl_neg)
call kinetics_tw(Mp,ph,en,dot_gamma_tw)
call kinetics_tw(Mp,ph,en,dot_gamma_tw,twin_volume_fraction)
!do i = 1, size(dot_xi_tw)
! print*, 'dot_xi_tw(', i, ') = ', dot_xi_tw(i)
!enddo
sumF = sum(stt%gamma_tw(:,en)/prm%gamma_char)
xi_sl_sat_offset = prm%f_sat_sl_tw*sqrt(sumF)
@ -373,6 +381,9 @@ module function phenopowerlaw_dotState(Mp,ph,en) result(dotState)
* matmul(prm%h_tw_sl,dot_gamma_sl) &
+ prm%h_0_tw_tw * sumF**prm%c_4 * matmul(prm%h_tw_tw,dot_gamma_tw)
!if(en==4) write(6,*) 'size of array', size(stt%gamma_tw, dim=1), size(stt%gamma_tw, dim=2)
if(en==4) write(6,*) 'twin volume fraction', twin_volume_fraction
end associate
end function phenopowerlaw_dotState
@ -496,7 +507,7 @@ end subroutine kinetics_sl
! have the optional arguments at the end.
!--------------------------------------------------------------------------------------------------
pure subroutine kinetics_tw(Mp,ph,en,&
dot_gamma_tw,ddot_gamma_dtau_tw)
dot_gamma_tw,ddot_gamma_dtau_tw,twin_volume_fraction)
real(pReal), dimension(3,3), intent(in) :: &
Mp !< Mandel stress
@ -507,17 +518,16 @@ pure subroutine kinetics_tw(Mp,ph,en,&
real(pReal), dimension(param(ph)%sum_N_tw), intent(out) :: &
dot_gamma_tw
real(pReal), dimension(param(ph)%sum_N_tw), intent(out), optional :: &
ddot_gamma_dtau_tw
ddot_gamma_dtau_tw, twin_volume_fraction
real(pReal), dimension(param(ph)%sum_N_tw) :: &
tau_tw
integer :: i
associate(prm => param(ph), stt => state(ph))
tau_tw = [(math_tensordot(Mp,prm%P_tw(1:3,1:3,i)),i=1,prm%sum_N_tw)]
where(tau_tw > 0.0_pReal)
dot_gamma_tw = (1.0_pReal-sum(stt%gamma_tw(:,en)/prm%gamma_char)) & ! only twin in untwinned volume fraction
* prm%dot_gamma_0_tw*(abs(tau_tw)/stt%xi_tw(:,en))**prm%n_tw
@ -533,6 +543,8 @@ pure subroutine kinetics_tw(Mp,ph,en,&
end where
end if
twin_volume_fraction = sum(stt%gamma_tw(:,en)/prm%gamma_char)
end associate
end subroutine kinetics_tw