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

when calculating dislocation stress at grain boundaries, densities are now extrapolated similarly to like it was already done at free surfaces

This commit is contained in:
Christoph Kords 2010-06-07 16:01:37 +00:00
parent 3989cc2688
commit 3ce1882d29
3 changed files with 25 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
code/constitutive.f90
View File

@ -310,7 +310,7 @@ return
endfunction endfunction
subroutine constitutive_microstructure(Temperature,Tstar_v,Fe,Fp,ipc,ip,el) subroutine constitutive_microstructure(Temperature,Tstar_v,Fe,Fp,disorientation,ipc,ip,el)
!********************************************************************* !*********************************************************************
!* This function calculates from state needed variables * !* This function calculates from state needed variables *
!* INPUT: * !* INPUT: *
@ -325,7 +325,8 @@ subroutine constitutive_microstructure(Temperature,Tstar_v,Fe,Fp,ipc,ip,el)
material_phase, & material_phase, &
homogenization_maxNgrains homogenization_maxNgrains
use mesh, only: mesh_NcpElems, & use mesh, only: mesh_NcpElems, &
mesh_maxNips mesh_maxNips, &
mesh_maxNipNeighbors
use constitutive_j2 use constitutive_j2
use constitutive_phenopowerlaw use constitutive_phenopowerlaw
use constitutive_dislotwin use constitutive_dislotwin
@ -337,6 +338,7 @@ integer(pInt), intent(in) :: ipc,ip,el
real(pReal), intent(in) :: Temperature real(pReal), intent(in) :: Temperature
real(pReal), dimension(6) :: Tstar_v real(pReal), dimension(6) :: Tstar_v
real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: Fe, Fp real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: Fe, Fp
real(pReal), dimension(4,mesh_maxNipNeighbors), intent(in) :: disorientation
select case (phase_constitution(material_phase(ipc,ip,el))) select case (phase_constitution(material_phase(ipc,ip,el)))
@ -350,7 +352,7 @@ real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems)
call constitutive_dislotwin_microstructure(Temperature,constitutive_state,ipc,ip,el) call constitutive_dislotwin_microstructure(Temperature,constitutive_state,ipc,ip,el)
case (constitutive_nonlocal_label) case (constitutive_nonlocal_label)
call constitutive_nonlocal_microstructure(constitutive_state, Temperature, Tstar_v, Fe, Fp, ipc, ip, el) call constitutive_nonlocal_microstructure(constitutive_state, Temperature, Tstar_v, Fe, Fp, disorientation, ipc, ip, el)
end select end select
@ -405,7 +407,7 @@ subroutine constitutive_LpAndItsTangent(Lp, dLp_dTstar, Tstar_v, Temperature, ip
endsubroutine endsubroutine
subroutine constitutive_collectDotState(Tstar_v, subTstar0_v, Fe, Fp, Temperature, misorientation, subdt, ipc, ip, el) subroutine constitutive_collectDotState(Tstar_v, subTstar0_v, Fe, Fp, Temperature, disorientation, subdt, ipc, ip, el)
!********************************************************************* !*********************************************************************
!* This subroutine contains the constitutive equation for * !* This subroutine contains the constitutive equation for *
!* calculating the rate of change of microstructure * !* calculating the rate of change of microstructure *
@ -439,7 +441,7 @@ integer(pInt), intent(in) :: ipc, ip, el
real(pReal), intent(in) :: Temperature, & real(pReal), intent(in) :: Temperature, &
subdt subdt
real(pReal), dimension(4,mesh_maxNipNeighbors), intent(in) :: & real(pReal), dimension(4,mesh_maxNipNeighbors), intent(in) :: &
misorientation disorientation
real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: & real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: &
Fe, & Fe, &
Fp Fp
@ -466,7 +468,7 @@ select case (phase_constitution(material_phase(ipc,ip,el)))
constitutive_dotState(ipc,ip,el)%p = constitutive_dislotwin_dotState(Tstar_v,Temperature,constitutive_state,ipc,ip,el) constitutive_dotState(ipc,ip,el)%p = constitutive_dislotwin_dotState(Tstar_v,Temperature,constitutive_state,ipc,ip,el)
case (constitutive_nonlocal_label) case (constitutive_nonlocal_label)
call constitutive_nonlocal_dotState(constitutive_dotState, Tstar_v, subTstar0_v, Fe, Fp, Temperature, misorientation, subdt, & call constitutive_nonlocal_dotState(constitutive_dotState, Tstar_v, subTstar0_v, Fe, Fp, Temperature, disorientation, subdt, &
constitutive_state, constitutive_subState0, constitutive_relevantState, subdt, ipc, ip, el) constitutive_state, constitutive_subState0, constitutive_relevantState, subdt, ipc, ip, el)
end select end select

22
code/constitutive_nonlocal.f90
View File

@ -749,7 +749,7 @@ endfunction
!********************************************************************* !*********************************************************************
!* calculates quantities characterizing the microstructure * !* calculates quantities characterizing the microstructure *
!********************************************************************* !*********************************************************************
subroutine constitutive_nonlocal_microstructure(state, Temperature, Tstar_v, Fe, Fp, g, ip, el) subroutine constitutive_nonlocal_microstructure(state, Temperature, Tstar_v, Fe, Fp, disorientation, g, ip, el)
use prec, only: pReal, & use prec, only: pReal, &
pInt, & pInt, &
@ -768,6 +768,7 @@ use debug, only: debugger, &
selectiveDebugger selectiveDebugger
use mesh, only: mesh_NcpElems, & use mesh, only: mesh_NcpElems, &
mesh_maxNips, & mesh_maxNips, &
mesh_maxNipNeighbors, &
mesh_element, & mesh_element, &
FE_NipNeighbors, & FE_NipNeighbors, &
mesh_ipNeighborhood, & mesh_ipNeighborhood, &
@ -797,6 +798,8 @@ real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems)
Fp ! plastic deformation gradient Fp ! plastic deformation gradient
real(pReal), dimension(6), intent(in) :: & real(pReal), dimension(6), intent(in) :: &
Tstar_v ! 2nd Piola-Kirchhoff stress in Mandel notation Tstar_v ! 2nd Piola-Kirchhoff stress in Mandel notation
real(pReal), dimension(4,mesh_maxNipNeighbors), intent(in) :: &
disorientation ! crystal disorientation between me and my neighbor as quaternion
!*** input/output variables !*** input/output variables
@ -831,6 +834,7 @@ real(pReal) gb, & ! short notation f
L, & ! dislocation segment length L, & ! dislocation segment length
r1_2, & r1_2, &
r2_2 r2_2
real(pReal), dimension(6) :: transmissivity ! transmissivity factor for each interface
real(pReal), dimension(2) :: lambda ! distance of (x y z) from the segment end projected onto the dislocation segment real(pReal), dimension(2) :: lambda ! distance of (x y z) from the segment end projected onto the dislocation segment
real(pReal), dimension(3,6) :: connectingVector ! vector connecting the centers of gravity of me and my neigbor (for each neighbor) real(pReal), dimension(3,6) :: connectingVector ! vector connecting the centers of gravity of me and my neigbor (for each neighbor)
real(pReal), dimension(6) :: Tdislocation_v ! dislocation stress (resulting from the neighboring excess dislocation densities) as 2nd Piola-Kirchhoff stress in Mandel notation real(pReal), dimension(6) :: Tdislocation_v ! dislocation stress (resulting from the neighboring excess dislocation densities) as 2nd Piola-Kirchhoff stress in Mandel notation
@ -903,9 +907,11 @@ invFe = math_inv3x3(Fe)
do n = 1,FE_NipNeighbors(mesh_element(2,el)) do n = 1,FE_NipNeighbors(mesh_element(2,el))
transmissivity(n) = constitutive_nonlocal_transmissivity(disorientation(:,n))
neighboring_el = mesh_ipNeighborhood(1,n,ip,el) neighboring_el = mesh_ipNeighborhood(1,n,ip,el)
neighboring_ip = mesh_ipNeighborhood(2,n,ip,el) neighboring_ip = mesh_ipNeighborhood(2,n,ip,el)
if ( neighboring_ip == 0 ) & if ( neighboring_ip == 0 .or. transmissivity(n) < 1.0_pReal ) & ! if no neighbor present or at grain boundary, don't calculate anything, since we use mirrored connecting vector of opposite neighbor
cycle cycle
neighboring_F = math_mul33x33(Fe(:,:,g,neighboring_ip,neighboring_el), Fp(:,:,g,neighboring_ip,neighboring_el)) neighboring_F = math_mul33x33(Fe(:,:,g,neighboring_ip,neighboring_el), Fp(:,:,g,neighboring_ip,neighboring_el))
@ -919,8 +925,8 @@ do n = 1,FE_NipNeighbors(mesh_element(2,el))
opposite_n = n - 1_pInt + 2_pInt*mod(n,2_pInt) opposite_n = n - 1_pInt + 2_pInt*mod(n,2_pInt)
opposite_el = mesh_ipNeighborhood(1,opposite_n,ip,el) opposite_el = mesh_ipNeighborhood(1,opposite_n,ip,el)
opposite_ip = mesh_ipNeighborhood(2,opposite_n,ip,el) opposite_ip = mesh_ipNeighborhood(2,opposite_n,ip,el)
if ( opposite_ip == 0 ) & ! if no opposite neighbor present... if ( opposite_ip == 0 .or. transmissivity(opposite_n) < 1.0_pReal ) & ! if no opposite neighbor present or at grain boundary ...
connectingVector(:,opposite_n) = -connectingVector(:,n) ! ... assume "ghost" IP at mirrored position of this neighbor connectingVector(:,opposite_n) = -connectingVector(:,n) ! ... use mirrored connecting vector of opposite neighbor
enddo enddo
@ -929,11 +935,11 @@ do n = 1,FE_NipNeighbors(mesh_element(2,el))
neighboring_el = mesh_ipNeighborhood(1,n,ip,el) neighboring_el = mesh_ipNeighborhood(1,n,ip,el)
neighboring_ip = mesh_ipNeighborhood(2,n,ip,el) neighboring_ip = mesh_ipNeighborhood(2,n,ip,el)
if ( neighboring_ip == 0 ) then ! if no neighbor present... if ( neighboring_ip == 0 .or. transmissivity(n) < 1.0_pReal ) then ! if no neighbor present or at grain boundary ...
opposite_n = n - 1_pInt + 2_pInt*mod(n,2_pInt) opposite_n = n - 1_pInt + 2_pInt*mod(n,2_pInt)
opposite_el = mesh_ipNeighborhood(1,opposite_n,ip,el) opposite_el = mesh_ipNeighborhood(1,opposite_n,ip,el)
opposite_ip = mesh_ipNeighborhood(2,opposite_n,ip,el) opposite_ip = mesh_ipNeighborhood(2,opposite_n,ip,el)
if ( opposite_ip == 0 ) & if ( opposite_ip == 0 .or. transmissivity(opposite_n) < 1.0_pReal ) & ! (special case if no valid neighbor on both sides)
cycle cycle
neighboring_el = opposite_el neighboring_el = opposite_el
neighboring_ip = opposite_ip neighboring_ip = opposite_ip
@ -1032,7 +1038,7 @@ do n = 1,FE_NipNeighbors(mesh_element(2,el))
if ( selectiveDebugger .and. verboseDebugger) then if ( selectiveDebugger .and. verboseDebugger) then
write(6,*) write(6,*)
write(6,'(a20,i1,x,i2,x,i5))') '::: microstructure',g,ip,el write(6,'(a20,i1,x,i2,x,i5)') '::: microstructure ',g,ip,el
write(6,'(i2)') n write(6,'(i2)') n
write(6,'(2(a20,x,e12.3,5x))') 'delta_rho_edge:', neighboring_rhoEdgeExcess(s), 'delta_rho_screw:', neighboring_rhoScrewExcess(s) write(6,'(2(a20,x,e12.3,5x))') 'delta_rho_edge:', neighboring_rhoEdgeExcess(s), 'delta_rho_screw:', neighboring_rhoScrewExcess(s)
write(6,'(2(a20,x,f12.3,5x))') 'Nedge:', neighboring_Nedge(s), 'Nscrew:', neighboring_Nscrew(s) write(6,'(2(a20,x,f12.3,5x))') 'Nedge:', neighboring_Nedge(s), 'Nscrew:', neighboring_Nscrew(s)
@ -1331,7 +1337,7 @@ real(pReal), intent(in) :: Temperature, & ! temperat
real(pReal), dimension(6), intent(in) :: Tstar_v, & ! current 2nd Piola-Kirchhoff stress in Mandel notation real(pReal), dimension(6), intent(in) :: Tstar_v, & ! current 2nd Piola-Kirchhoff stress in Mandel notation
previousTstar_v ! previous 2nd Piola-Kirchhoff stress in Mandel notation previousTstar_v ! previous 2nd Piola-Kirchhoff stress in Mandel notation
real(pReal), dimension(4,mesh_maxNipNeighbors), intent(in) :: & real(pReal), dimension(4,mesh_maxNipNeighbors), intent(in) :: &
disorientation ! crystal disorientation between me and my neighbor (axis, angle pair) disorientation ! crystal disorientation between me and my neighbor as quaternion
real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: & real(pReal), dimension(3,3,homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: &
Fe, & ! elastic deformation gradient Fe, & ! elastic deformation gradient
Fp ! plastic deformation gradient Fp ! plastic deformation gradient

4
code/crystallite.f90
View File

@ -605,7 +605,7 @@ subroutine crystallite_stressAndItsTangent(updateJaco)
selectiveDebugger = (e == debug_e .and. i == debug_i .and. g == debug_g) selectiveDebugger = (e == debug_e .and. i == debug_i .and. g == debug_g)
if (crystallite_todo(g,i,e)) then ! all undone crystallites if (crystallite_todo(g,i,e)) then ! all undone crystallites
call constitutive_microstructure(crystallite_Temperature(g,i,e), crystallite_Tstar_v(:,g,i,e), crystallite_Fe, & call constitutive_microstructure(crystallite_Temperature(g,i,e), crystallite_Tstar_v(:,g,i,e), crystallite_Fe, &
crystallite_Fp, g, i, e) ! update dependent state variables to be consistent with basic states crystallite_Fp, crystallite_disorientation(:,:,g,i,e), g, i, e) ! update dependent state variables to be consistent with basic states
constitutive_previousDotState2(g,i,e)%p = 0.0_pReal constitutive_previousDotState2(g,i,e)%p = 0.0_pReal
constitutive_previousDotState(g,i,e)%p = 0.0_pReal constitutive_previousDotState(g,i,e)%p = 0.0_pReal
constitutive_dotState(g,i,e)%p = 0.0_pReal ! zero out dotStates constitutive_dotState(g,i,e)%p = 0.0_pReal ! zero out dotStates
@ -1143,7 +1143,7 @@ endsubroutine
! update the microstructure ! update the microstructure
constitutive_state(g,i,e)%p(1:mySize) = constitutive_state(g,i,e)%p(1:mySize) - residuum constitutive_state(g,i,e)%p(1:mySize) = constitutive_state(g,i,e)%p(1:mySize) - residuum
call constitutive_microstructure(crystallite_Temperature(g,i,e), crystallite_Tstar_v(:,g,i,e), crystallite_Fe, crystallite_Fp, & call constitutive_microstructure(crystallite_Temperature(g,i,e), crystallite_Tstar_v(:,g,i,e), crystallite_Fe, crystallite_Fp, &
g, i, e) crystallite_disorientation(:,:,g,i,e), g, i, e)
! setting flag to true if state is below relative tolerance, otherwise set it to false ! setting flag to true if state is below relative tolerance, otherwise set it to false