This commit is contained in:
Martin Diehl 2019-03-18 22:57:23 +01:00
parent fbc607e14d
commit f9e47a94aa
1 changed files with 19 additions and 20 deletions

View File

@ -7,8 +7,7 @@
!--------------------------------------------------------------------------------------------------
module plastic_disloUCLA
use prec, only: &
pReal, &
pInt
pReal
implicit none
private
@ -79,7 +78,7 @@ module plastic_disloUCLA
real(pReal), dimension(:,:), pointer :: &
rhoEdge, &
rhoEdgeDip, &
accshear
gamma_sl
end type tDisloUCLAState
type, private :: tDisloUCLAdependentState
@ -163,7 +162,7 @@ subroutine plastic_disloUCLA_init()
write(6,'(/,a)') ' Cereceda et al., International Journal of Plasticity 78:242256, 2016'
write(6,'(a)') ' https://dx.doi.org/10.1016/j.ijplas.2015.09.002'
Ninstance = int(count(phase_plasticity == PLASTICITY_DISLOUCLA_ID),pInt)
Ninstance = count(phase_plasticity == PLASTICITY_DISLOUCLA_ID)
if (iand(debug_level(debug_constitutive),debug_levelBasic) /= 0) &
write(6,'(a16,1x,i5,/)') '# instances:',Ninstance
@ -343,8 +342,8 @@ subroutine plastic_disloUCLA_init()
startIndex = endIndex + 1
endIndex = endIndex + prm%totalNslip
stt%accshear=>plasticState(p)%state(startIndex:endIndex,:)
dot%accshear=>plasticState(p)%dotState(startIndex:endIndex,:)
stt%gamma_sl=>plasticState(p)%state(startIndex:endIndex,:)
dot%gamma_sl=>plasticState(p)%dotState(startIndex:endIndex,:)
plasticState(p)%aTolState(startIndex:endIndex) = 1.0e6_pReal !ToDo: better make optional parameter
! global alias
plasticState(p)%slipRate => plasticState(p)%dotState(startIndex:endIndex,:)
@ -442,7 +441,7 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
gdot_pos,gdot_neg, &
tau_pos1 = tau_pos,tau_neg1 = tau_neg)
dot%accshear(:,of) = (gdot_pos+gdot_neg) ! ToDo: needs to be abs
dot%gamma_sl(:,of) = (gdot_pos+gdot_neg) ! ToDo: needs to be abs
VacancyDiffusion = prm%D0*exp(-prm%Qsd/(kB*Temperature))
where(dEq0(tau_pos)) ! ToDo: use avg of pos and neg
@ -452,7 +451,7 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
EdgeDipDistance = math_clip((3.0_pReal*prm%mu*prm%burgers)/(16.0_pReal*PI*abs(tau_pos)), &
prm%minDipDistance, & ! lower limit
dst%mfp(:,of)) ! upper limit
DotRhoDipFormation = merge(((2.0_pReal*EdgeDipDistance)/prm%burgers)* stt%rhoEdge(:,of)*abs(dot%accshear(:,of)), & ! ToDo: ignore region of spontaneous annihilation
DotRhoDipFormation = merge(((2.0_pReal*EdgeDipDistance)/prm%burgers)* stt%rhoEdge(:,of)*abs(dot%gamma_sl(:,of)), & ! ToDo: ignore region of spontaneous annihilation
0.0_pReal, &
prm%dipoleformation)
ClimbVelocity = (3.0_pReal*prm%mu*VacancyDiffusion*prm%atomicVolume/(2.0_pReal*pi*kB*Temperature)) &
@ -460,11 +459,11 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
DotRhoEdgeDipClimb = (4.0_pReal*ClimbVelocity*stt%rhoEdgeDip(:,of))/(EdgeDipDistance-prm%minDipDistance) ! ToDo: Discuss with Franz: Stress dependency?
end where
dot%rhoEdge(:,of) = abs(dot%accshear(:,of))/(prm%burgers*dst%mfp(:,of)) & ! multiplication
dot%rhoEdge(:,of) = abs(dot%gamma_sl(:,of))/(prm%burgers*dst%mfp(:,of)) & ! multiplication
- DotRhoDipFormation &
- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdge(:,of)*abs(dot%accshear(:,of)) !* Spontaneous annihilation of 2 single edge dislocations
- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdge(:,of)*abs(dot%gamma_sl(:,of)) !* Spontaneous annihilation of 2 single edge dislocations
dot%rhoEdgeDip(:,of) = DotRhoDipFormation &
- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdgeDip(:,of)*abs(dot%accshear(:,of)) & !* Spontaneous annihilation of a single edge dislocation with a dipole constituent
- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdgeDip(:,of)*abs(dot%gamma_sl(:,of)) & !* Spontaneous annihilation of a single edge dislocation with a dipole constituent
- DotRhoEdgeDipClimb
end associate
@ -545,7 +544,7 @@ function plastic_disloUCLA_postResults(Mp,Temperature,instance,of) result(postRe
call kinetics(Mp,Temperature,instance,of,gdot_pos,gdot_neg)
postResults(c+1:c+prm%totalNslip) = gdot_pos + gdot_neg
case (accumulatedshear_ID)
postResults(c+1:c+prm%totalNslip) = stt%accshear(1:prm%totalNslip, of)
postResults(c+1:c+prm%totalNslip) = stt%gamma_sl(1:prm%totalNslip, of)
case (mfp_ID)
postResults(c+1:c+prm%totalNslip) = dst%mfp(1:prm%totalNslip, of)
case (thresholdstress_ID)