vectorized
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@ -551,7 +551,8 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
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tol_math_check, &
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dEq0
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use math, only: &
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pi
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PI, &
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math_clip
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implicit none
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real(pReal), dimension(3,3), intent(in):: &
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@ -559,22 +560,17 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
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real(pReal), intent(in) :: &
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temperature !< temperature at integration point
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integer(pInt), intent(in) :: &
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instance, of
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instance, of
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integer(pInt) :: j
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real(pReal) :: &
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VacancyDiffusion,&
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DotRhoEdgeDipAnnihilation, &
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DotRhoEdgeEdgeAnnihilation, &
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DotRhoEdgeDipClimb
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VacancyDiffusion
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real(pReal), dimension(plastic_disloUCLA_totalNslip(instance)) :: &
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gdot_slip_pos, gdot_slip_neg,&
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tau_slip_pos,&
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tau_slip_neg, &
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dgdot_dtauslip_neg,dgdot_dtauslip_pos,DotRhoDipFormation, ClimbVelocity, EdgeDipDistance
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dgdot_dtauslip_neg,dgdot_dtauslip_pos,DotRhoDipFormation, ClimbVelocity, EdgeDipDistance, &
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DotRhoEdgeDipClimb
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associate(prm => param(instance), stt => state(instance),dot => dotState(instance), mse => microstructure(instance))
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@ -584,47 +580,35 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
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dot%whole(:,of) = 0.0_pReal
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dot%accshear_slip(:,of) = (gdot_slip_pos+gdot_slip_neg)*0.5_pReal
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VacancyDiffusion = prm%D0*exp(-plastic_disloUCLA_Qsd(instance)/(kB*Temperature))
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where(dEq0(tau_slip_pos) .or. (.not. prm%dipoleformation))
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EdgeDipDistance = mse%mfp(:,of) !ToDo MD@FR: correct? was not handled properly before
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DotRhoDipFormation = 0.0_pReal
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DotRhoEdgeDipClimb = 0.0_pReal
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else where
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EdgeDipDistance = math_clip((3.0_pReal*prm%mu*prm%burgers)/(16.0_pReal*PI*abs(tau_slip_pos)), &
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prm%minDipDistance, & ! lower limit
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mse%mfp(:,of)) ! upper limit
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DotRhoDipFormation = merge(((2.0_pReal*EdgeDipDistance)/prm%burgers)* stt%rhoEdge(:,of)*abs(dot%accshear_slip(:,of)), &
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0.0_pReal, &
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prm%dipoleformation)
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ClimbVelocity = ((3.0_pReal*prm%mu*VacancyDiffusion*prm%atomicVolume)/(2.0_pReal*pi*kB*Temperature)) &
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* (1.0_pReal/(EdgeDipDistance+prm%minDipDistance))
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DotRhoEdgeDipClimb = (4.0_pReal*ClimbVelocity*stt%rhoEdgeDip(:,of))/(EdgeDipDistance-prm%minDipDistance)
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end where
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do j = 1_pInt, prm%totalNslip
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!* Dipole formation
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if (dEq0(tau_slip_pos(j)) .or. (.not. prm%dipoleformation)) then
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DotRhoDipFormation(j) = 0.0_pReal
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EdgeDipDistance(j)=mse%mfp(j,of) !ToDo MD@FR: correct? was not handled properly before
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else
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EdgeDipDistance(j) = &
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(3.0_pReal*prm%mu*prm%burgers(j))/&
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(16.0_pReal*pi*abs(tau_slip_pos(j)))
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if (EdgeDipDistance(j)>mse%mfp(j,of)) EdgeDipDistance(j)=mse%mfp(j,of)
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if (EdgeDipDistance(j)<prm%minDipDistance(j)) EdgeDipDistance(j)=prm%minDipDistance(j)
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DotRhoDipFormation(j) = &
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((2.0_pReal*EdgeDipDistance(j))/prm%burgers(j))*&
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stt%rhoEdge(j,of)*abs(dot%accshear_slip(j,of))
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endif
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!* Dislocation dipole climb
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VacancyDiffusion = prm%D0*exp(-plastic_disloUCLA_Qsd(instance)/(kB*Temperature))
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if (dEq0(tau_slip_pos(j))) then
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DotRhoEdgeDipClimb = 0.0_pReal
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else
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ClimbVelocity(j) = &
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((3.0_pReal*prm%mu*VacancyDiffusion*prm%atomicVolume(j))/(2.0_pReal*pi*kB*Temperature))*&
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(1/(EdgeDipDistance(j)+prm%minDipDistance(j)))
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DotRhoEdgeDipClimb = &
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(4.0_pReal*ClimbVelocity(j)*stt%rhoEdgeDip(j,of))/(EdgeDipDistance(j)-prm%minDipDistance(j))
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endif
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!* Edge dislocation density rate of change
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dot%rhoEdge(j,of) = abs(dot%accshear_slip(j,of))/(prm%burgers(j)*mse%mfp(j,of)) & ! multiplication
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- DotRhoDipFormation(j) &
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- ((2.0_pReal*prm%minDipDistance(j))/prm%burgers(j))*&
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stt%rhoEdge(j,of)*abs(dot%accshear_slip(j,of)) !* Spontaneous annihilation of 2 single edge dislocations
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!* Edge dislocation dipole density rate of change
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dot%rhoEdgeDip(j,of) = DotRhoDipFormation(j) &
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- ((2.0_pReal*prm%minDipDistance(j))/prm%burgers(j))*&
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stt%rhoEdgeDip(j,of)*abs(dot%accshear_slip(j,of)) & !* Spontaneous annihilation of a single edge dislocation with a dipole constituent
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- DotRhoEdgeDipClimb
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- DotRhoEdgeDipClimb(j)
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enddo
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