New version of constitutive_dislotwin after first-round checks
This commit is contained in:
Luc Hantcherli
parent
2c1a610b14
commit
3bf3d7ddbd
|
|
@ -642,7 +642,7 @@ constitutive_dislotwin_stateInit(4*ns+2*nt+1:5*ns+2*nt) = MeanFreePathSlip0
|
|||
forall (s = 1:ns) &
|
||||
tauSlipThreshold0(s) = &
|
||||
constitutive_dislotwin_Gmod(myInstance)*constitutive_dislotwin_burgersPerSlipSystem(s,myInstance)* &
|
||||
sqrt(dot_product(rhoEdge0,constitutive_dislotwin_interactionMatrixSlipSlip(1:ns,s,myInstance)))
|
||||
sqrt(dot_product((rhoEdge0+rhoEdgeDip0),constitutive_dislotwin_interactionMatrixSlipSlip(1:ns,s,myInstance)))
|
||||
constitutive_dislotwin_stateInit(5*ns+3*nt+1:6*ns+3*nt) = tauSlipThreshold0
|
||||
|
||||
|
||||
|
|
@ -762,7 +762,6 @@ myStructure = constitutive_dislotwin_structure(myInstance)
|
|||
ns = constitutive_dislotwin_totalNslip(myInstance)
|
||||
nt = constitutive_dislotwin_totalNtwin(myInstance)
|
||||
!* State: 1 : ns rho_edge
|
||||
|
||||
!* State: ns+1 : 2*ns rho_dipole
|
||||
!* State: 2*ns+1 : 2*ns+nt f
|
||||
!* State: 2*ns+nt+1 : 3*ns+nt 1/lambda_slip
|
||||
|
|
@ -776,12 +775,9 @@ nt = constitutive_dislotwin_totalNtwin(myInstance)
|
|||
|
||||
|
||||
!* Total twin volume fraction
|
||||
|
||||
sumf = sum(state(g,ip,el)%p((2*ns+1):(2*ns+nt))) ! safe for nt == 0
|
||||
|
||||
|
||||
!* Stacking fault energy
|
||||
|
||||
sfe = 0.0002_pReal*Temperature-0.0396_pReal
|
||||
|
||||
!* rescaled twin volume fraction for topology
|
||||
|
|
@ -834,7 +830,8 @@ forall (t = 1:nt) &
|
|||
forall (s = 1:ns) &
|
||||
state(g,ip,el)%p(5*ns+3*nt+s) = &
|
||||
constitutive_dislotwin_Gmod(myInstance)*constitutive_dislotwin_burgersPerSlipSystem(s,myInstance)*&
|
||||
sqrt(dot_product(state(g,ip,el)%p(1:ns),constitutive_dislotwin_interactionMatrixSlipSlip(1:ns,s,myInstance)))
|
||||
sqrt(dot_product((state(g,ip,el)%p(1:ns)+state(g,ip,el)%p(ns+1:2*ns)),&
|
||||
constitutive_dislotwin_interactionMatrixSlipSlip(1:ns,s,myInstance)))
|
||||
|
||||
|
||||
!* threshold stress for growing twin
|
||||
|
|
@ -1001,10 +998,13 @@ dLp_dTstar = math_Plain3333to99(dLp_dTstar3333)
|
|||
|
||||
|
||||
!if ((ip==1).and.(el==1)) then
|
||||
! write(6,*) '#MICROSTRUCTURE#'
|
||||
! write(6,*) '#LP/TANGENT#'
|
||||
! write(6,*)
|
||||
! write(6,'(a,/,4(3(f10.4,x)/))') 'rhoEdge',state(g,ip,el)%p(1:12)
|
||||
! write(6,'(a,/,4(3(f10.4,x)/))') 'rhoEdgeDip',state(g,ip,el)%p(13:24)
|
||||
! write(6,*) 'Tstar_v', Tstar_v
|
||||
! write(6,*) 'tau_slip', tau_slip
|
||||
! write(6,'(a10,/,4(3(e20.8,x),/))') 'state',state(1,1,1)%p
|
||||
! write(6,'(a,/,3(3(f10.4,x)/))') 'Lp',Lp
|
||||
! write(6,'(a,/,9(9(f10.4,x)/))') 'dLp_dTstar',dLp_dTstar
|
||||
!endif
|
||||
|
||||
|
||||
|
|
@ -1094,7 +1094,6 @@ do f = 1,lattice_maxNslipFamily ! loop over all
|
|||
(constitutive_dislotwin_burgersPerSlipSystem(f,myInstance)*state(g,ip,el)%p(4*ns+2*nt+j))
|
||||
|
||||
!* Dipole formation
|
||||
|
||||
if (tau_slip(j) == 0.0_pReal) then
|
||||
DotRhoDipFormation(j) = 0.0_pReal
|
||||
else
|
||||
|
|
@ -1121,14 +1120,17 @@ do f = 1,lattice_maxNslipFamily ! loop over all
|
|||
!* Dislocation dipole climb
|
||||
AtomicVolume = &
|
||||
constitutive_dislotwin_CAtomicVolume(myInstance)*constitutive_dislotwin_burgersPerSlipSystem(f,myInstance)**(3.0_pReal)
|
||||
|
||||
VacancyDiffusion = &
|
||||
constitutive_dislotwin_D0(myInstance)*exp(-constitutive_dislotwin_Qsd(myInstance)/(kB*Temperature))
|
||||
if (tau_slip(j) == 0.0_pReal) then
|
||||
DotRhoEdgeDipClimb(j) = 0.0_pReal
|
||||
else
|
||||
ClimbVelocity(j) = &
|
||||
((3.0_pReal*constitutive_dislotwin_Gmod(myInstance)*VacancyDiffusion*AtomicVolume)/(2.0_pReal*pi*kB*Temperature))*&
|
||||
(1/(EdgeDipDistance(j)+EdgeDipMinDistance))
|
||||
DotRhoEdgeDipClimb(j) = &
|
||||
(4.0_pReal*ClimbVelocity(j)*state(g,ip,el)%p(ns+j))/(EdgeDipDistance(j)+EdgeDipMinDistance)
|
||||
endif
|
||||
|
||||
!* Edge dislocation density rate of change
|
||||
constitutive_dislotwin_dotState(j) = &
|
||||
|
|
@ -1143,7 +1145,6 @@ do f = 1,lattice_maxNslipFamily ! loop over all
|
|||
enddo
|
||||
|
||||
!* Twin volume fraction evolution
|
||||
gdot_twin = 0.0_pReal
|
||||
j = 0_pInt
|
||||
do f = 1,lattice_maxNtwinFamily ! loop over all twin families
|
||||
index_myFamily = sum(lattice_NtwinSystem(1:f-1,MyStructure)) ! at which index starts my family
|
||||
|
|
@ -1157,7 +1158,7 @@ do f = 1,lattice_maxNtwinFamily ! loop over all
|
|||
|
||||
!* Shear rates and their derivatives due to twin
|
||||
if ( tau_twin(j) > 0.0_pReal ) then
|
||||
gdot_twin(j) = &
|
||||
constitutive_dislotwin_dotState(2*ns+j) = &
|
||||
(constitutive_dislotwin_MaxTwinFraction(myInstance)-sumf)*&
|
||||
state(g,ip,el)%p(6*ns+4*nt+j)*constitutive_dislotwin_Ndot0PerTwinSystem(f,myInstance)*exp(-StressRatio_r)
|
||||
endif
|
||||
|
|
@ -1165,22 +1166,17 @@ do f = 1,lattice_maxNtwinFamily ! loop over all
|
|||
enddo
|
||||
enddo
|
||||
|
||||
|
||||
!if ((ip==1).and.(el==1)) then
|
||||
! write(6,*) '#DOTSTATE#'
|
||||
! write(6,*)
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'tau slip',tau_slip
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'gamma slip',gdot_slip
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'RhoEdge',state(g,ip,el)%p(1:ns)
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'Threshold Slip', state(g,ip,el)%p(5*ns+3*nt+1:6*ns+3*nt)
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'Multiplication',DotRhoMultiplication
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'DipFormation',DotRhoDipFormation
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'SingleSingle',DotRhoEdgeEdgeAnnihilation
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'SingleDipole',DotRhoEdgeDipAnnihilation
|
||||
! write(6,'(a,/,4(3(f30.20,x)/))') 'DipClimb',DotRhoEdgeDipClimb
|
||||
!endif
|
||||
|
||||
|
||||
!write(6,*) '#DOTSTATE#'
|
||||
!write(6,*)
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'tau slip',tau_slip
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'gamma slip',gdot_slip
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'RhoEdge',state(g,ip,el)%p(1:ns)
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'Threshold Slip', state(g,ip,el)%p(5*ns+3*nt+1:6*ns+3*nt)
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'Multiplication',DotRhoMultiplication
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'DipFormation',DotRhoDipFormation
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'SingleSingle',DotRhoEdgeEdgeAnnihilation
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'SingleDipole',DotRhoEdgeDipAnnihilation
|
||||
!write(6,'(a,/,4(3(f30.20,x)/))') 'DipClimb',DotRhoEdgeDipClimb
|
||||
|
||||
return
|
||||
end function
|
||||
|
|
|
|||
|
|
@ -253,7 +253,7 @@ interactionSlipSlip 0.122 0.122 0.625 0.07 0.137 0.122 # Interaction coefficient
|
|||
Ntwin 12
|
||||
twinburgers 1.47e-10 # Burgers vector of twin system [m]
|
||||
twinsize 5.0e-8 # Twin stack mean thickness [m]
|
||||
fmax 1.0 # Maximum admissible twin volume fraction
|
||||
maxtwinfraction 1.0 # Maximum admissible twin volume fraction
|
||||
Ndot0 0.0 # Number of potential source per volume per time [1/m³.s]
|
||||
rexponent 10.0 # r-exponent in glide velocity
|
||||
Cmfptwin 1.0 # Adj. parameter controlling twin mean free path
|
||||
|
|
|
|||
Loading…
Reference in New Issue