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explicit dotState for nonlocal 

all flux related quantities are calculated based on the converged
quantities
This commit is contained in:
Martin Diehl 2020-02-07 12:23:22 +01:00
parent 4f4c6c5949
commit f854dc27e9
3 changed files with 226 additions and 227 deletions
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10
src/constitutive.f90
View File

@ -202,7 +202,7 @@ module constitutive
of
end subroutine plastic_disloUCLA_dotState
module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
module subroutine plastic_nonlocal_dotState(Mp, F, Fp, Temperature, &
timestep,ip,el)
integer, intent(in) :: &
ip, & !< current integration point
@ -213,7 +213,7 @@ module constitutive
real(pReal), dimension(3,3), intent(in) ::&
Mp !< MandelStress
real(pReal), dimension(3,3,homogenization_maxNgrains,discretization_nIP,discretization_nElem), intent(in) :: &
Fe, & !< elastic deformation gradient
F, & !< deformation gradient
Fp !< plastic deformation gradient
end subroutine plastic_nonlocal_dotState
@ -715,7 +715,7 @@ end subroutine constitutive_hooke_SandItsTangents
!--------------------------------------------------------------------------------------------------
!> @brief contains the constitutive equation for calculating the rate of change of microstructure
!--------------------------------------------------------------------------------------------------
subroutine constitutive_collectDotState(S, FeArray, Fi, FpArray, subdt, ipc, ip, el)
subroutine constitutive_collectDotState(S, FArray, Fi, FpArray, subdt, ipc, ip, el)
integer, intent(in) :: &
ipc, & !< component-ID of integration point
@ -724,7 +724,7 @@ subroutine constitutive_collectDotState(S, FeArray, Fi, FpArray, subdt, ipc, ip,
real(pReal), intent(in) :: &
subdt !< timestep
real(pReal), intent(in), dimension(3,3,homogenization_maxNgrains,discretization_nIP,discretization_nElem) :: &
FeArray, & !< elastic deformation gradient
FArray, & !< elastic deformation gradient
FpArray !< plastic deformation gradient
real(pReal), intent(in), dimension(3,3) :: &
Fi !< intermediate deformation gradient
@ -771,7 +771,7 @@ subroutine constitutive_collectDotState(S, FeArray, Fi, FpArray, subdt, ipc, ip,
call plastic_disloucla_dotState (Mp,temperature(ho)%p(tme),instance,of)
case (PLASTICITY_NONLOCAL_ID) plasticityType
call plastic_nonlocal_dotState (Mp,FeArray,FpArray,temperature(ho)%p(tme), &
call plastic_nonlocal_dotState (Mp,FArray,FpArray,temperature(ho)%p(tme), &
subdt,ip,el)
end select plasticityType

25
src/constitutive_plastic_nonlocal.f90
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@ -1324,7 +1324,7 @@ end subroutine plastic_nonlocal_deltaState
!---------------------------------------------------------------------------------------------------
!> @brief calculates the rate of change of microstructure
!---------------------------------------------------------------------------------------------------
module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
module subroutine plastic_nonlocal_dotState(Mp, F, Fp, Temperature, &
timestep,ip,el)
integer, intent(in) :: &
@ -1336,7 +1336,7 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
real(pReal), dimension(3,3), intent(in) ::&
Mp !< MandelStress
real(pReal), dimension(3,3,homogenization_maxNgrains,discretization_nIP,discretization_nElem), intent(in) :: &
Fe, & !< elastic deformation gradient
F, & !< elastic deformation gradient
Fp !< plastic deformation gradient
integer :: &
@ -1370,7 +1370,7 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
rhoDotThermalAnnihilation !< density evolution by thermal annihilation
real(pReal), dimension(totalNslip(phase_plasticityInstance(material_phaseAt(1,el))),8) :: &
rhoSgl, & !< current single dislocation densities (positive/negative screw and edge without dipoles)
neighbor_rhoSgl, & !< current single dislocation densities of neighboring ip (positive/negative screw and edge without dipoles)
neighbor_rhoSgl0, & !< current single dislocation densities of neighboring ip (positive/negative screw and edge without dipoles)
my_rhoSgl !< single dislocation densities of central ip (positive/negative screw and edge without dipoles)
real(pReal), dimension(totalNslip(phase_plasticityInstance(material_phaseAt(1,el))),4) :: &
v, & !< current dislocation glide velocity
@ -1529,8 +1529,8 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
m(1:3,1:ns,3) = -prm%slip_transverse
m(1:3,1:ns,4) = prm%slip_transverse
my_Fe = Fe(1:3,1:3,1,ip,el)
my_F = matmul(my_Fe, Fp(1:3,1:3,1,ip,el))
my_F = F(1:3,1:3,1,ip,el)
my_Fe = matmul(my_F, math_inv33(Fp(1:3,1:3,1,ip,el)))
neighbors: do n = 1,nIPneighbors
@ -1547,8 +1547,8 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
if (neighbor_n > 0) then ! if neighbor exists, average deformation gradient
neighbor_instance = phase_plasticityInstance(material_phaseAt(1,neighbor_el))
neighbor_Fe = Fe(1:3,1:3,1,neighbor_ip,neighbor_el)
neighbor_F = matmul(neighbor_Fe, Fp(1:3,1:3,1,neighbor_ip,neighbor_el))
neighbor_F = F(1:3,1:3,1,neighbor_ip,neighbor_el)
neighbor_Fe = matmul(neighbor_F, math_inv33(Fp(1:3,1:3,1,neighbor_ip,neighbor_el)))
Favg = 0.5_pReal * (my_F + neighbor_F)
else ! if no neighbor, take my value as average
Favg = my_F
@ -1566,7 +1566,6 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
considerEnteringFlux = .false.
neighbor_v0 = 0.0_pReal ! needed for check of sign change in flux density below
neighbor_rhoSgl = 0.0_pReal
if (neighbor_n > 0) then
if (phase_plasticity(material_phaseAt(1,neighbor_el)) == PLASTICITY_NONLOCAL_ID &
.and. any(compatibility(:,:,:,n,ip,el) > 0.0_pReal)) &
@ -1576,13 +1575,13 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
enteringFlux: if (considerEnteringFlux) then
forall (s = 1:ns, t = 1:4)
neighbor_v0(s,t) = plasticState(np)%state0(iV (s,t,neighbor_instance),no)
neighbor_rhoSgl(s,t) = max(plasticState(np)%state(iRhoU(s,t,neighbor_instance),no), &
neighbor_rhoSgl0(s,t) = max(plasticState(np)%state0(iRhoU(s,t,neighbor_instance),no), &
0.0_pReal)
endforall
where (neighbor_rhoSgl * IPvolume(neighbor_ip,neighbor_el) ** 0.667_pReal < prm%significantN &
.or. neighbor_rhoSgl < prm%significantRho) &
neighbor_rhoSgl = 0.0_pReal
where (neighbor_rhoSgl0 * IPvolume(neighbor_ip,neighbor_el) ** 0.667_pReal < prm%significantN &
.or. neighbor_rhoSgl0 < prm%significantRho) &
neighbor_rhoSgl0 = 0.0_pReal
normal_neighbor2me_defConf = math_det33(Favg) * matmul(math_inv33(transpose(Favg)), &
IPareaNormal(1:3,neighbor_n,neighbor_ip,neighbor_el)) ! calculate the normal of the interface in (average) deformed configuration (now pointing from my neighbor to me!!!)
normal_neighbor2me = matmul(transpose(neighbor_Fe), normal_neighbor2me_defConf) &
@ -1595,7 +1594,7 @@ module subroutine plastic_nonlocal_dotState(Mp, Fe, Fp, Temperature, &
topp = t + mod(t,2) - mod(t+1,2)
if (neighbor_v0(s,t) * math_inner(m(1:3,s,t), normal_neighbor2me) > 0.0_pReal & ! flux from my neighbor to me == entering flux for me
.and. v0(s,t) * neighbor_v0(s,t) >= 0.0_pReal ) then ! ... only if no sign change in flux density
lineLength = neighbor_rhoSgl(s,t) * neighbor_v0(s,t) &
lineLength = neighbor_rhoSgl0(s,t) * neighbor_v0(s,t) &
* math_inner(m(1:3,s,t), normal_neighbor2me) * area ! positive line length that wants to enter through this interface
where (compatibility(c,1:ns,s,n,ip,el) > 0.0_pReal) & ! positive compatibility...
rhoDotFlux(1:ns,t) = rhoDotFlux(1:ns,t) &

4
src/crystallite.f90
View File

@ -1963,9 +1963,9 @@ subroutine update_dotState(timeFraction)
!$OMP FLUSH(nonlocalStop)
if ((crystallite_todo(g,i,e) .and. .not. crystallite_converged(g,i,e)) .and. .not. nonlocalStop) then
call constitutive_collectDotState(crystallite_S(1:3,1:3,g,i,e), &
crystallite_Fe, &
crystallite_partionedF0, &
crystallite_Fi(1:3,1:3,g,i,e), &
crystallite_Fp, &
crystallite_partionedFp0, &
crystallite_subdt(g,i,e)*timeFraction, g,i,e)
p = material_phaseAt(g,e); c = material_phaseMemberAt(g,i,e)
NaN = any(IEEE_is_NaN(plasticState(p)%dotState(:,c)))