slip suffix not needed for slip only models
This commit is contained in:
Martin Diehl
parent
995122504e
commit
996d686a89
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@ -63,8 +63,7 @@ module plastic_disloUCLA
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interaction_SlipSlip, & !< slip resistance from slip activity
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forestProjectionEdge
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real(pReal), allocatable, dimension(:,:,:) :: &
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Schmid_slip, &
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Schmid_twin, &
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Schmid, &
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nonSchmid_pos, &
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nonSchmid_neg
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integer(pInt) :: &
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@ -81,7 +80,7 @@ module plastic_disloUCLA
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real(pReal), pointer, dimension(:,:) :: &
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rhoEdge, &
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rhoEdgeDip, &
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accshear_slip
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accshear
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end type
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type, private :: tDisloUCLAdependentState
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@ -214,16 +213,16 @@ subroutine plastic_disloUCLA_init()
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prm%Nslip = config%getInts('nslip',defaultVal=emptyIntArray)
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prm%totalNslip = sum(prm%Nslip)
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slipActive: if (prm%totalNslip > 0_pInt) then
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prm%Schmid_slip = lattice_SchmidMatrix_slip(prm%Nslip,structure(1:3),&
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config%getFloat('c/a',defaultVal=0.0_pReal))
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prm%Schmid = lattice_SchmidMatrix_slip(prm%Nslip,structure(1:3),&
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config%getFloat('c/a',defaultVal=0.0_pReal))
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if(structure=='bcc') then
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prm%nonSchmidCoeff = config%getFloats('nonschmid_coefficients',&
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defaultVal = emptyRealArray)
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prm%nonSchmid_pos = lattice_nonSchmidMatrix(prm%Nslip,prm%nonSchmidCoeff,+1_pInt)
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prm%nonSchmid_neg = lattice_nonSchmidMatrix(prm%Nslip,prm%nonSchmidCoeff,-1_pInt)
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else
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prm%nonSchmid_pos = prm%Schmid_slip
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prm%nonSchmid_neg = prm%Schmid_slip
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prm%nonSchmid_pos = prm%Schmid
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prm%nonSchmid_neg = prm%Schmid
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endif
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prm%interaction_SlipSlip = lattice_interaction_SlipSlip(prm%Nslip, &
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config%getFloats('interaction_slipslip'), &
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@ -373,8 +372,8 @@ subroutine plastic_disloUCLA_init()
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startIndex = endIndex + 1_pInt
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endIndex = endIndex + prm%totalNslip
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stt%accshear_slip=>plasticState(p)%state(startIndex:endIndex,:)
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dot%accshear_slip=>plasticState(p)%dotState(startIndex:endIndex,:)
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stt%accshear=>plasticState(p)%state(startIndex:endIndex,:)
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dot%accshear=>plasticState(p)%dotState(startIndex:endIndex,:)
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plasticState(p)%aTolState(startIndex:endIndex) = 1e6_pReal !ToDo: better make optional parameter
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! global alias
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plasticState(p)%slipRate => plasticState(p)%dotState(startIndex:endIndex,:)
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@ -415,21 +414,21 @@ pure subroutine plastic_disloUCLA_LpAndItsTangent(Lp,dLp_dMp,Mp,Temperature,inst
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integer(pInt) :: &
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i,k,l,m,n
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real(pReal), dimension(param(instance)%totalNslip) :: &
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gdot_slip_pos,gdot_slip_neg, &
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dgdot_dtauslip_pos,dgdot_dtauslip_neg
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gdot_pos,gdot_neg, &
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dgdot_dtau_pos,dgdot_dtau_neg
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Lp = 0.0_pReal
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dLp_dMp = 0.0_pReal
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associate(prm => param(instance))
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call kinetics(Mp,Temperature,instance,of,gdot_slip_pos,gdot_slip_neg,dgdot_dtauslip_pos,dgdot_dtauslip_neg)
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call kinetics(Mp,Temperature,instance,of,gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_dtau_neg)
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do i = 1_pInt, prm%totalNslip
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Lp = Lp + (gdot_slip_pos(i)+gdot_slip_neg(i))*prm%Schmid_slip(1:3,1:3,i)
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Lp = Lp + (gdot_pos(i)+gdot_neg(i))*prm%Schmid(1:3,1:3,i)
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forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
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dLp_dMp(k,l,m,n) = dLp_dMp(k,l,m,n) &
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+ dgdot_dtauslip_pos(i) * prm%Schmid_slip(k,l,i) * prm%nonSchmid_pos(m,n,i) &
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+ dgdot_dtauslip_neg(i) * prm%Schmid_slip(k,l,i) * prm%nonSchmid_neg(m,n,i)
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+ dgdot_dtau_pos(i) * prm%Schmid(k,l,i) * prm%nonSchmid_pos(m,n,i) &
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+ dgdot_dtau_neg(i) * prm%Schmid(k,l,i) * prm%nonSchmid_neg(m,n,i)
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enddo
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end associate
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@ -460,29 +459,29 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
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real(pReal) :: &
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VacancyDiffusion
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real(pReal), dimension(param(instance)%totalNslip) :: &
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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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gdot_pos, gdot_neg,&
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tau_pos,&
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tau_neg, &
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DotRhoDipFormation, ClimbVelocity, EdgeDipDistance, &
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DotRhoEdgeDipClimb
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associate(prm => param(instance), stt => state(instance),dot => dotState(instance), dst => dependentState(instance))
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call kinetics(Mp,Temperature,instance,of,&
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gdot_slip_pos,gdot_slip_neg, &
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tau_slip_pos1 = tau_slip_pos,tau_slip_neg1 = tau_slip_neg)
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gdot_pos,gdot_neg, &
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tau_pos1 = tau_pos,tau_neg1 = tau_neg)
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dot%accshear_slip(:,of) = (gdot_slip_pos+gdot_slip_neg) ! ToDo: needs to be abs
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dot%accshear(:,of) = (gdot_pos+gdot_neg) ! ToDo: needs to be abs
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VacancyDiffusion = prm%D0*exp(-prm%Qsd/(kB*Temperature))
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where(dEq0(tau_slip_pos)) ! ToDo: use avg of pos and neg
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where(dEq0(tau_pos)) ! ToDo: use avg of pos and neg
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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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EdgeDipDistance = math_clip((3.0_pReal*prm%mu*prm%burgers)/(16.0_pReal*PI*abs(tau_pos)), &
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prm%minDipDistance, & ! lower limit
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dst%mfp(:,of)) ! upper limit
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DotRhoDipFormation = merge(((2.0_pReal*EdgeDipDistance)/prm%burgers)* stt%rhoEdge(:,of)*abs(dot%accshear_slip(:,of)), & ! ToDo: ignore region of spontaneous annihilation
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DotRhoDipFormation = merge(((2.0_pReal*EdgeDipDistance)/prm%burgers)* stt%rhoEdge(:,of)*abs(dot%accshear(:,of)), & ! ToDo: ignore region of spontaneous annihilation
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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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@ -490,11 +489,11 @@ subroutine plastic_disloUCLA_dotState(Mp,Temperature,instance,of)
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DotRhoEdgeDipClimb = (4.0_pReal*ClimbVelocity*stt%rhoEdgeDip(:,of))/(EdgeDipDistance-prm%minDipDistance) ! ToDo: Discuss with Franz: Stress dependency?
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end where
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dot%rhoEdge(:,of) = abs(dot%accshear_slip(:,of))/(prm%burgers*dst%mfp(:,of)) & ! multiplication
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dot%rhoEdge(:,of) = abs(dot%accshear(:,of))/(prm%burgers*dst%mfp(:,of)) & ! multiplication
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- DotRhoDipFormation &
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- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdge(:,of)*abs(dot%accshear_slip(:,of)) !* Spontaneous annihilation of 2 single edge dislocations
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- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdge(:,of)*abs(dot%accshear(:,of)) !* Spontaneous annihilation of 2 single edge dislocations
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dot%rhoEdgeDip(:,of) = DotRhoDipFormation &
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- (2.0_pReal*prm%minDipDistance)/prm%burgers*stt%rhoEdgeDip(:,of)*abs(dot%accshear_slip(:,of)) & !* Spontaneous annihilation of a single edge dislocation with a dipole constituent
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- (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
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- DotRhoEdgeDipClimb
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end associate
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@ -558,7 +557,7 @@ function plastic_disloUCLA_postResults(Mp,Temperature,instance,of) result(postRe
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integer(pInt) :: &
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o,c,i
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real(pReal), dimension(param(instance)%totalNslip) :: &
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gdot_slip_pos,gdot_slip_neg
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gdot_pos,gdot_neg
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c = 0_pInt
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@ -572,10 +571,10 @@ function plastic_disloUCLA_postResults(Mp,Temperature,instance,of) result(postRe
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case (rhoDip_ID)
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postResults(c+1_pInt:c+prm%totalNslip) = stt%rhoEdgeDip(1_pInt:prm%totalNslip,of)
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case (shearrate_ID)
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call kinetics(Mp,Temperature,instance,of,gdot_slip_pos,gdot_slip_neg)
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postResults(c+1:c+prm%totalNslip) = gdot_slip_pos + gdot_slip_neg
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call kinetics(Mp,Temperature,instance,of,gdot_pos,gdot_neg)
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postResults(c+1:c+prm%totalNslip) = gdot_pos + gdot_neg
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case (accumulatedshear_ID)
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postResults(c+1_pInt:c+prm%totalNslip) = stt%accshear_slip(1_pInt:prm%totalNslip, of)
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postResults(c+1_pInt:c+prm%totalNslip) = stt%accshear(1_pInt:prm%totalNslip, of)
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case (mfp_ID)
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postResults(c+1_pInt:c+prm%totalNslip) = dst%mfp(1_pInt:prm%totalNslip, of)
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case (thresholdstress_ID)
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@ -610,7 +609,7 @@ end function plastic_disloUCLA_postResults
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! have the optional arguments at the end
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!--------------------------------------------------------------------------------------------------
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pure subroutine kinetics(Mp,Temperature,instance,of, &
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gdot_slip_pos,gdot_slip_neg,dgdot_dtauslip_pos,dgdot_dtauslip_neg,tau_slip_pos1,tau_slip_neg1)
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gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_dtau_neg,tau_pos1,tau_neg1)
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use prec, only: &
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tol_math_check, &
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dEq, dNeq0
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@ -628,119 +627,119 @@ pure subroutine kinetics(Mp,Temperature,instance,of, &
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of
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real(pReal), intent(out), dimension(param(instance)%totalNslip) :: &
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gdot_slip_pos, &
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gdot_slip_neg
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gdot_pos, &
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gdot_neg
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real(pReal), intent(out), optional, dimension(param(instance)%totalNslip) :: &
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dgdot_dtauslip_pos, &
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dgdot_dtauslip_neg, &
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tau_slip_pos1, &
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tau_slip_neg1
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dgdot_dtau_pos, &
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dgdot_dtau_neg, &
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tau_pos1, &
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tau_neg1
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real(pReal), dimension(param(instance)%totalNslip) :: &
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StressRatio, &
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StressRatio_p,StressRatio_pminus1, &
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dvel_slip, vel_slip, &
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tau_slip_pos,tau_slip_neg, &
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dvel, vel, &
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tau_pos,tau_neg, &
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needsGoodName ! ToDo: @Karo: any idea?
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integer(pInt) :: j
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associate(prm => param(instance), stt => state(instance), dst => dependentState(instance))
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do j = 1_pInt, prm%totalNslip
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tau_slip_pos(j) = math_mul33xx33(Mp,prm%nonSchmid_pos(1:3,1:3,j))
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tau_slip_neg(j) = math_mul33xx33(Mp,prm%nonSchmid_neg(1:3,1:3,j))
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tau_pos(j) = math_mul33xx33(Mp,prm%nonSchmid_pos(1:3,1:3,j))
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tau_neg(j) = math_mul33xx33(Mp,prm%nonSchmid_neg(1:3,1:3,j))
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enddo
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if (present(tau_slip_pos1)) tau_slip_pos1 = tau_slip_pos
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if (present(tau_slip_neg1)) tau_slip_neg1 = tau_slip_neg
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if (present(tau_pos1)) tau_pos1 = tau_pos
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if (present(tau_neg1)) tau_neg1 = tau_neg
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associate(BoltzmannRatio => prm%H0kp/(kB*Temperature), &
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DotGamma0 => stt%rhoEdge(:,of)*prm%burgers*prm%v0, &
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effectiveLength => dst%mfp(:,of) - prm%w)
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significantPositiveTau: where(abs(tau_slip_pos)-dst%threshold_stress(:,of) > tol_math_check)
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StressRatio = (abs(tau_slip_pos)-dst%threshold_stress(:,of))/prm%tau0
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significantPositiveTau: where(abs(tau_pos)-dst%threshold_stress(:,of) > tol_math_check)
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StressRatio = (abs(tau_pos)-dst%threshold_stress(:,of))/prm%tau0
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StressRatio_p = StressRatio** prm%p
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StressRatio_pminus1 = StressRatio**(prm%p-1.0_pReal)
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needsGoodName = exp(-BoltzmannRatio*(1-StressRatio_p) ** prm%q)
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vel_slip = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega &
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* effectiveLength * tau_slip_pos * needsGoodName &
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/ ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_slip_pos &
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vel = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega &
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* effectiveLength * tau_pos * needsGoodName &
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/ ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_pos &
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+ prm%omega * prm%B * effectiveLength**2.0_pReal* needsGoodName &
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)
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gdot_slip_pos = DotGamma0 * sign(vel_slip,tau_slip_pos) * 0.5_pReal
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gdot_pos = DotGamma0 * sign(vel,tau_pos) * 0.5_pReal
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else where significantPositiveTau
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gdot_slip_pos = 0.0_pReal
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gdot_pos = 0.0_pReal
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end where significantPositiveTau
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if (present(dgdot_dtauslip_pos)) then
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significantPositiveTau2: where(abs(tau_slip_pos)-dst%threshold_stress(:,of) > tol_math_check)
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dvel_slip = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega* effectiveLength &
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if (present(dgdot_dtau_pos)) then
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significantPositiveTau2: where(abs(tau_pos)-dst%threshold_stress(:,of) > tol_math_check)
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dvel = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega* effectiveLength &
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* ( &
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(needsGoodName + tau_slip_pos * abs(needsGoodName)*BoltzmannRatio*prm%p &
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(needsGoodName + tau_pos * abs(needsGoodName)*BoltzmannRatio*prm%p &
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* prm%q/prm%tau0 &
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* StressRatio_pminus1*(1-StressRatio_p)**(prm%q-1.0_pReal) &
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) &
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* ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_slip_pos &
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* ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_pos &
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+ prm%omega * prm%B* effectiveLength **2.0_pReal* needsGoodName &
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) &
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- tau_slip_pos * needsGoodName * (2.0_pReal*prm%burgers**2.0_pReal &
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- tau_pos * needsGoodName * (2.0_pReal*prm%burgers**2.0_pReal &
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+ prm%omega * prm%B *effectiveLength **2.0_pReal&
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* (abs(needsGoodName)*BoltzmannRatio*prm%p *prm%q/prm%tau0 &
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*StressRatio_pminus1*(1-StressRatio_p)**(prm%q-1.0_pReal) )&
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) &
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) &
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/(2.0_pReal*prm%burgers**2.0_pReal*tau_slip_pos &
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/(2.0_pReal*prm%burgers**2.0_pReal*tau_pos &
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+ prm%omega * prm%B* effectiveLength**2.0_pReal* needsGoodName )**2.0_pReal
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dgdot_dtauslip_pos = DotGamma0 * dvel_slip* 0.5_pReal
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dgdot_dtau_pos = DotGamma0 * dvel* 0.5_pReal
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else where significantPositiveTau2
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dgdot_dtauslip_pos = 0.0_pReal
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dgdot_dtau_pos = 0.0_pReal
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end where significantPositiveTau2
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endif
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significantNegativeTau: where(abs(tau_slip_neg)-dst%threshold_stress(:,of) > tol_math_check)
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StressRatio = (abs(tau_slip_neg)-dst%threshold_stress(:,of))/prm%tau0
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significantNegativeTau: where(abs(tau_neg)-dst%threshold_stress(:,of) > tol_math_check)
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StressRatio = (abs(tau_neg)-dst%threshold_stress(:,of))/prm%tau0
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StressRatio_p = StressRatio** prm%p
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StressRatio_pminus1 = StressRatio**(prm%p-1.0_pReal)
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needsGoodName = exp(-BoltzmannRatio*(1-StressRatio_p) ** prm%q)
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vel_slip = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega &
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* effectiveLength * tau_slip_neg * needsGoodName &
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/ ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_slip_neg &
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vel = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega &
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* effectiveLength * tau_neg * needsGoodName &
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/ ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_neg &
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+ prm%omega * prm%B * effectiveLength**2.0_pReal* needsGoodName &
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)
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gdot_slip_neg = DotGamma0 * sign(vel_slip,tau_slip_neg) * 0.5_pReal
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gdot_neg = DotGamma0 * sign(vel,tau_neg) * 0.5_pReal
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else where significantNegativeTau
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gdot_slip_neg = 0.0_pReal
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gdot_neg = 0.0_pReal
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end where significantNegativeTau
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if (present(dgdot_dtauslip_neg)) then
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significantNegativeTau2: where(abs(tau_slip_neg)-dst%threshold_stress(:,of) > tol_math_check)
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dvel_slip = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega* effectiveLength &
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if (present(dgdot_dtau_neg)) then
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significantNegativeTau2: where(abs(tau_neg)-dst%threshold_stress(:,of) > tol_math_check)
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dvel = 2.0_pReal*prm%burgers * prm%kink_height * prm%omega* effectiveLength &
|
||||
* ( &
|
||||
(needsGoodName + tau_slip_neg * abs(needsGoodName)*BoltzmannRatio*prm%p &
|
||||
(needsGoodName + tau_neg * abs(needsGoodName)*BoltzmannRatio*prm%p &
|
||||
* prm%q/prm%tau0 &
|
||||
* StressRatio_pminus1*(1-StressRatio_p)**(prm%q-1.0_pReal) &
|
||||
) &
|
||||
* ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_slip_neg &
|
||||
* ( 2.0_pReal*(prm%burgers**2.0_pReal)*tau_neg &
|
||||
+ prm%omega * prm%B* effectiveLength **2.0_pReal* needsGoodName &
|
||||
) &
|
||||
- tau_slip_neg * needsGoodName * (2.0_pReal*prm%burgers**2.0_pReal &
|
||||
- tau_neg * needsGoodName * (2.0_pReal*prm%burgers**2.0_pReal &
|
||||
+ prm%omega * prm%B *effectiveLength **2.0_pReal&
|
||||
* (abs(needsGoodName)*BoltzmannRatio*prm%p *prm%q/prm%tau0 &
|
||||
*StressRatio_pminus1*(1-StressRatio_p)**(prm%q-1.0_pReal) )&
|
||||
) &
|
||||
) &
|
||||
/(2.0_pReal*prm%burgers**2.0_pReal*tau_slip_neg &
|
||||
/(2.0_pReal*prm%burgers**2.0_pReal*tau_neg &
|
||||
+ prm%omega * prm%B* effectiveLength**2.0_pReal* needsGoodName )**2.0_pReal
|
||||
|
||||
dgdot_dtauslip_neg = DotGamma0 * dvel_slip * 0.5_pReal
|
||||
dgdot_dtau_neg = DotGamma0 * dvel * 0.5_pReal
|
||||
else where significantNegativeTau2
|
||||
dgdot_dtauslip_neg = 0.0_pReal
|
||||
dgdot_dtau_neg = 0.0_pReal
|
||||
end where significantNegativeTau2
|
||||
end if
|
||||
end associate
|
||||
|
|
|
|||
|
|
@ -32,24 +32,23 @@ module plastic_kinehardening
|
|||
|
||||
type, private :: tParameters
|
||||
real(pReal) :: &
|
||||
gdot0, & !< reference shear strain rate for slip (input parameter)
|
||||
n_slip, & !< stress exponent for slip (input parameter)
|
||||
gdot0, & !< reference shear strain rate for slip
|
||||
n, & !< stress exponent for slip
|
||||
aTolResistance, &
|
||||
aTolShear
|
||||
real(pReal), allocatable, dimension(:) :: &
|
||||
crss0, & !< initial critical shear stress for slip (input parameter, per family)
|
||||
crss0, & !< initial critical shear stress for slip
|
||||
theta0, & !< initial hardening rate of forward stress for each slip
|
||||
theta1, & !< asymptotic hardening rate of forward stress for each slip >
|
||||
theta0_b, & !< initial hardening rate of back stress for each slip >
|
||||
theta1_b, & !< asymptotic hardening rate of back stress for each slip >
|
||||
theta1, & !< asymptotic hardening rate of forward stress for each slip
|
||||
theta0_b, & !< initial hardening rate of back stress for each slip
|
||||
theta1_b, & !< asymptotic hardening rate of back stress for each slip
|
||||
tau1, &
|
||||
tau1_b, &
|
||||
nonSchmidCoeff
|
||||
real(pReal), allocatable, dimension(:,:) :: &
|
||||
interaction_slipslip !< slip resistance from slip activity
|
||||
real(pReal), allocatable, dimension(:,:,:) :: &
|
||||
Schmid_slip, &
|
||||
Schmid_twin, &
|
||||
Schmid, &
|
||||
nonSchmid_pos, &
|
||||
nonSchmid_neg
|
||||
integer(pInt) :: &
|
||||
|
|
@ -203,16 +202,16 @@ subroutine plastic_kinehardening_init
|
|||
prm%Nslip = config%getInts('nslip',defaultVal=emptyIntArray)
|
||||
prm%totalNslip = sum(prm%Nslip)
|
||||
slipActive: if (prm%totalNslip > 0_pInt) then
|
||||
prm%Schmid_slip = lattice_SchmidMatrix_slip(prm%Nslip,structure(1:3),&
|
||||
config%getFloat('c/a',defaultVal=0.0_pReal))
|
||||
prm%Schmid = lattice_SchmidMatrix_slip(prm%Nslip,structure(1:3),&
|
||||
config%getFloat('c/a',defaultVal=0.0_pReal))
|
||||
if(structure=='bcc') then
|
||||
prm%nonSchmidCoeff = config%getFloats('nonschmid_coefficients',&
|
||||
defaultVal = emptyRealArray)
|
||||
prm%nonSchmid_pos = lattice_nonSchmidMatrix(prm%Nslip,prm%nonSchmidCoeff,+1_pInt)
|
||||
prm%nonSchmid_neg = lattice_nonSchmidMatrix(prm%Nslip,prm%nonSchmidCoeff,-1_pInt)
|
||||
else
|
||||
prm%nonSchmid_pos = prm%Schmid_slip
|
||||
prm%nonSchmid_neg = prm%Schmid_slip
|
||||
prm%nonSchmid_pos = prm%Schmid
|
||||
prm%nonSchmid_neg = prm%Schmid
|
||||
endif
|
||||
prm%interaction_SlipSlip = lattice_interaction_SlipSlip(prm%Nslip, &
|
||||
config%getFloats('interaction_slipslip'), &
|
||||
|
|
@ -227,7 +226,7 @@ subroutine plastic_kinehardening_init
|
|||
prm%theta1_b = config%getFloats('theta1_b', requiredShape=shape(prm%Nslip))
|
||||
|
||||
prm%gdot0 = config%getFloat('gdot0')
|
||||
prm%n_slip = config%getFloat('n_slip')
|
||||
prm%n = config%getFloat('n_slip')
|
||||
|
||||
! expand: family => system
|
||||
prm%crss0 = math_expand(prm%crss0, prm%Nslip)
|
||||
|
|
@ -242,8 +241,8 @@ subroutine plastic_kinehardening_init
|
|||
|
||||
!--------------------------------------------------------------------------------------------------
|
||||
! sanity checks
|
||||
if ( prm%gdot0 <= 0.0_pReal) extmsg = trim(extmsg)//' gdot0'
|
||||
if ( prm%n_slip <= 0.0_pReal) extmsg = trim(extmsg)//' n_slip'
|
||||
if ( prm%gdot0 <= 0.0_pReal) extmsg = trim(extmsg)//' gdot0'
|
||||
if ( prm%n <= 0.0_pReal) extmsg = trim(extmsg)//' n_slip'
|
||||
if (any(prm%crss0 <= 0.0_pReal)) extmsg = trim(extmsg)//' crss0'
|
||||
if (any(prm%tau1 <= 0.0_pReal)) extmsg = trim(extmsg)//' tau1'
|
||||
if (any(prm%tau1_b <= 0.0_pReal)) extmsg = trim(extmsg)//' tau1_b'
|
||||
|
|
@ -384,11 +383,11 @@ pure subroutine plastic_kinehardening_LpAndItsTangent(Lp,dLp_dMp,Mp,instance,of)
|
|||
call kinetics(Mp,instance,of,gdot_pos,gdot_neg,dgdot_dtau_pos,dgdot_dtau_neg)
|
||||
|
||||
do i = 1_pInt, prm%totalNslip
|
||||
Lp = Lp + (gdot_pos(i)+gdot_neg(i))*prm%Schmid_slip(1:3,1:3,i)
|
||||
Lp = Lp + (gdot_pos(i)+gdot_neg(i))*prm%Schmid(1:3,1:3,i)
|
||||
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
|
||||
dLp_dMp(k,l,m,n) = dLp_dMp(k,l,m,n) &
|
||||
+ dgdot_dtau_pos(i) * prm%Schmid_slip(k,l,i) * prm%nonSchmid_pos(m,n,i) &
|
||||
+ dgdot_dtau_neg(i) * prm%Schmid_slip(k,l,i) * prm%nonSchmid_neg(m,n,i)
|
||||
+ dgdot_dtau_pos(i) * prm%Schmid(k,l,i) * prm%nonSchmid_pos(m,n,i) &
|
||||
+ dgdot_dtau_neg(i) * prm%Schmid(k,l,i) * prm%nonSchmid_neg(m,n,i)
|
||||
enddo
|
||||
|
||||
end associate
|
||||
|
|
@ -546,7 +545,7 @@ function plastic_kinehardening_postResults(Mp,instance,of) result(postResults)
|
|||
postResults(c+1_pInt:c+prm%totalNslip) = gdot_pos+gdot_neg
|
||||
case (resolvedstress_ID)
|
||||
do i = 1_pInt, prm%totalNslip
|
||||
postResults(c+i) = math_mul33xx33(Mp,prm%Schmid_slip(1:3,1:3,i))
|
||||
postResults(c+i) = math_mul33xx33(Mp,prm%Schmid(1:3,1:3,i))
|
||||
enddo
|
||||
|
||||
end select
|
||||
|
|
@ -605,28 +604,28 @@ pure subroutine kinetics(Mp,instance,of, &
|
|||
|
||||
where(dNeq0(tau_pos))
|
||||
gdot_pos = prm%gdot0 * merge(0.5_pReal,1.0_pReal, nonSchmidActive) & ! 1/2 if non-Schmid active
|
||||
* sign(abs(tau_pos/stt%crss(:,of))**prm%n_slip, tau_pos)
|
||||
* sign(abs(tau_pos/stt%crss(:,of))**prm%n, tau_pos)
|
||||
else where
|
||||
gdot_pos = 0.0_pReal
|
||||
end where
|
||||
|
||||
where(dNeq0(tau_neg))
|
||||
gdot_neg = prm%gdot0 * 0.5_pReal & ! only used if non-Schmid active, always 1/2
|
||||
* sign(abs(tau_neg/stt%crss(:,of))**prm%n_slip, tau_neg)
|
||||
* sign(abs(tau_neg/stt%crss(:,of))**prm%n, tau_neg)
|
||||
else where
|
||||
gdot_neg = 0.0_pReal
|
||||
end where
|
||||
|
||||
if (present(dgdot_dtau_pos)) then
|
||||
where(dNeq0(gdot_pos))
|
||||
dgdot_dtau_pos = gdot_pos*prm%n_slip/tau_pos
|
||||
dgdot_dtau_pos = gdot_pos*prm%n/tau_pos
|
||||
else where
|
||||
dgdot_dtau_pos = 0.0_pReal
|
||||
end where
|
||||
endif
|
||||
if (present(dgdot_dtau_neg)) then
|
||||
where(dNeq0(gdot_neg))
|
||||
dgdot_dtau_neg = gdot_neg*prm%n_slip/tau_neg
|
||||
dgdot_dtau_neg = gdot_neg*prm%n/tau_neg
|
||||
else where
|
||||
dgdot_dtau_neg = 0.0_pReal
|
||||
end where
|
||||
|
|
|
|||
Loading…
Reference in New Issue