223031012
/
DAMASK_EICMD
mirror of https://github.com/achalhp/DAMASK_EICMD.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

using wrong default for dipole formation

This commit is contained in:
Martin Diehl 2018-07-06 18:57:37 +02:00
parent 580a0bbedd
commit a9845c4bf8
1 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/plastic_dislotwin.f90
View File

@ -1,3 +1,4 @@
!--------------------------------------------------------------------------------------------------
!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine incoprorating dislocation and twinning physics
!> @details to be done
@ -80,7 +81,7 @@ module plastic_dislotwin
sbQedge, & !< value for shearband systems Qedge
SFE_0K, & !< stacking fault energy at zero K
dSFE_dT, & !< temperature dependance of stacking fault energy
dipoleFormationFactor = 1.0_pReal, & !< scaling factor for dipole formation: 0: off, 1: on. other values not useful
dipoleFormationFactor, & !< scaling factor for dipole formation: 0: off, 1: on. other values not useful
aTolRho, & !< absolute tolerance for integration of dislocation density
aTolTwinFrac, & !< absolute tolerance for integration of twin volume fraction
aTolTransFrac, & !< absolute tolerance for integration of trans volume fraction
@ -405,7 +406,7 @@ subroutine plastic_dislotwin_init(fileUnit)
prm%D0 = config_phase(p)%getFloat('d0')
prm%Qsd = config_phase(p)%getFloat('qsd')
prm%SolidSolutionStrength = config_phase(p)%getFloat('solidsolutionstrength')
prm%dipoleFormationFactor= config_phase(p)%getFloat('dipoleformationfactor', defaultVal=0.0_pReal) ! ToDo: How to handle that???
prm%dipoleFormationFactor= config_phase(p)%getFloat('dipoleformationfactor', defaultVal=1.0_pReal) ! ToDo: How to handle that???
prm%sbResistance = config_phase(p)%getFloat('shearbandresistance',defaultVal=0.0_pReal)
prm%sbVelocity = config_phase(p)%getFloat('shearbandvelocity',defaultVal=0.0_pReal)
@ -950,7 +951,7 @@ subroutine plastic_dislotwin_init(fileUnit)
spread(math_expand(MartensiteVolume0,prm%Ntrans),2, NofMyPhase)
endif myPhase2
enddo initializeInstances
end subroutine plastic_dislotwin_init
@ -1438,7 +1439,6 @@ prm => param(instance)
!* Plastic velocity gradient for mechanical twinning
Lp = Lp + gdot_twin(j)*lattice_Stwin(:,:,index_myFamily+i,ph)
!* Calculation of the tangent of Lp
forall (k=1_pInt:3_pInt,l=1_pInt:3_pInt,m=1_pInt:3_pInt,n=1_pInt:3_pInt) &
dLp_dTstar3333(k,l,m,n) = &
@ -1568,7 +1568,7 @@ subroutine plastic_dislotwin_dotState(Tstar_v,Temperature,ipc,ip,el)
ph = phaseAt(ipc,ip,el)
instance = phase_plasticityInstance(ph)
prm => param(instance)
prm => param(instance)
!* Total twin volume fraction
sumf = sum(state(instance)%twinFraction(1_pInt:prm%totalNtwin,of)) ! safe for prm%totalNtwin == 0
plasticState(ph)%dotState(:,of) = 0.0_pReal
@ -1603,7 +1603,7 @@ prm => param(instance)
!* Shear rates due to slip
gdot_slip(j) = DotGamma0*exp(-BoltzmannRatio*(1_pInt-StressRatio_p)** &
prm%q(f))*sign(1.0_pReal,tau_slip(j))
prm%q(f))*sign(1.0_pReal,tau_slip(j))
endif
!* Multiplication
DotRhoMultiplication = abs(gdot_slip(j))/&
@ -1651,7 +1651,6 @@ prm => param(instance)
(EdgeDipDistance-EdgeDipMinDistance)
endif
endif
!* Edge dislocation density rate of change
dotState(instance)%rhoEdge(j,of) = &
DotRhoMultiplication-DotRhoDipFormation-DotRhoEdgeEdgeAnnihilation
@ -1746,7 +1745,7 @@ prm => param(instance)
endif
enddo
enddo
enddo
end subroutine plastic_dislotwin_dotState