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This commit is contained in:
Martin Diehl 2013-01-22 11:06:39 +00:00
parent bb45b91dad
commit df089b94bd
1 changed files with 71 additions and 70 deletions
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code/constitutive_nonlocal.f90
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@ -1730,7 +1730,8 @@ do s = 1_pInt,ns
tau(s,1:4) = math_mul6x6(Tstar_v, lattice_Sslip_v(:,1,constitutive_nonlocal_slipSystemLattice(s,myInstance),myStructure)) & tau(s,1:4) = math_mul6x6(Tstar_v, lattice_Sslip_v(:,1,constitutive_nonlocal_slipSystemLattice(s,myInstance),myStructure)) &
+ tauBack(s) + tauBack(s)
!*** adding non schmid contributions to ONLY screw components if present (i.e. if NnonSchmid(myStructure) > 0) !*** adding non schmid contributions to ONLY screw components if present (i.e. if NnonSchmid(myStructure) > 0)
nonSchmid_tensor(1:3,1:3,1) = math_Mandel6to33(lattice_Sslip_v(:,1,constitutive_nonlocal_slipSystemLattice(s,myInstance),myStructure)) nonSchmid_tensor(1:3,1:3,1) = &
math_Mandel6to33(lattice_Sslip_v(:,1,constitutive_nonlocal_slipSystemLattice(s,myInstance),myStructure))
nonSchmid_tensor(1:3,1:3,2) = nonSchmid_tensor(1:3,1:3,1) nonSchmid_tensor(1:3,1:3,2) = nonSchmid_tensor(1:3,1:3,1)
do k = 1_pInt, NnonSchmid(myStructure) do k = 1_pInt, NnonSchmid(myStructure)
tau(s,3) = tau(s,3) + constitutive_nonlocal_nonSchmidCoeff(k,myInstance)* & tau(s,3) = tau(s,3) + constitutive_nonlocal_nonSchmidCoeff(k,myInstance)* &
@ -2052,91 +2053,91 @@ use lattice, only: lattice_Sslip_v, &
implicit none implicit none
!*** input variables !*** input variables
integer(pInt), intent(in) :: g, & ! current grain number integer(pInt), intent(in) :: g, & !< current grain number
ip, & ! current integration point ip, & !< current integration point
el ! current element number el !< current element number
real(pReal), intent(in) :: Temperature, & ! temperature real(pReal), intent(in) :: Temperature, & !< temperature
timestep ! substepped crystallite time increment timestep !< substepped crystallite time increment
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
real(pReal), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: & real(pReal), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: &
subfrac ! fraction of timestep at the beginning of the substepped crystallite time increment subfrac !< fraction of timestep at the beginning of the substepped crystallite time increment
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
type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: & type(p_vec), dimension(homogenization_maxNgrains,mesh_maxNips,mesh_NcpElems), intent(in) :: &
state, & ! current microstructural state state, & !< current microstructural state
state0 ! microstructural state at beginning of crystallite increment state0 !< microstructural state at beginning of crystallite increment
!*** input/output variables !*** input/output variables
!*** output variables !*** output variables
real(pReal), dimension(constitutive_nonlocal_sizeDotState(phase_plasticityInstance(material_phase(g,ip,el)))) :: & real(pReal), dimension(constitutive_nonlocal_sizeDotState(phase_plasticityInstance(material_phase(g,ip,el)))) :: &
constitutive_nonlocal_dotState ! evolution of state variables / microstructure constitutive_nonlocal_dotState !< evolution of state variables / microstructure
!*** local variables !*** local variables
integer(pInt) myInstance, & ! current instance of this plasticity integer(pInt) myInstance, & !< current instance of this plasticity
myStructure, & ! current lattice structure myStructure, & !< current lattice structure
ns, & ! short notation for the total number of active slip systems ns, & !< short notation for the total number of active slip systems
c, & ! character of dislocation c, & !< character of dislocation
n, & ! index of my current neighbor n, & !< index of my current neighbor
neighboring_el, & ! element number of my neighbor neighboring_el, & !< element number of my neighbor
neighboring_ip, & ! integration point of my neighbor neighboring_ip, & !< integration point of my neighbor
neighboring_n, & ! neighbor index pointing to me when looking from my neighbor neighboring_n, & !< neighbor index pointing to me when looking from my neighbor
opposite_neighbor, & ! index of my opposite neighbor opposite_neighbor, & !< index of my opposite neighbor
opposite_ip, & ! ip of my opposite neighbor opposite_ip, & !< ip of my opposite neighbor
opposite_el, & ! element index of my opposite neighbor opposite_el, & !< element index of my opposite neighbor
opposite_n, & ! neighbor index pointing to me when looking from my opposite neighbor opposite_n, & !< neighbor index pointing to me when looking from my opposite neighbor
t, & ! type of dislocation t, & !< type of dislocation
topp, & ! type of dislocation with opposite sign to t topp, & !< type of dislocation with opposite sign to t
s, & ! index of my current slip system s, & !< index of my current slip system
sLattice, & ! index of my current slip system according to lattice order sLattice, & !< index of my current slip system according to lattice order
deads deads
real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),10) :: & real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),10) :: &
rhoDot, & ! density evolution rhoDot, & !< density evolution
rhoDotMultiplication, & ! density evolution by multiplication rhoDotMultiplication, & !< density evolution by multiplication
rhoDotFlux, & ! density evolution by flux rhoDotFlux, & !< density evolution by flux
rhoDotSingle2DipoleGlide, & ! density evolution by dipole formation (by glide) rhoDotSingle2DipoleGlide, & !< density evolution by dipole formation (by glide)
rhoDotAthermalAnnihilation, & ! density evolution by athermal annihilation rhoDotAthermalAnnihilation, & !< density evolution by athermal annihilation
rhoDotThermalAnnihilation ! density evolution by thermal annihilation rhoDotThermalAnnihilation !< density evolution by thermal annihilation
real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),8) :: & real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),8) :: &
rhoSgl, & ! current single dislocation densities (positive/negative screw and edge without dipoles) rhoSgl, & !< current single dislocation densities (positive/negative screw and edge without dipoles)
rhoSglOriginal, & rhoSglOriginal, &
rhoSgl0, & ! single dislocation densities at start of cryst inc (positive/negative screw and edge without dipoles) rhoSgl0, & !< single dislocation densities at start of cryst inc (positive/negative screw and edge without dipoles)
rhoSglMe, & ! single dislocation densities of central ip (positive/negative screw and edge without dipoles) rhoSglMe, & !< single dislocation densities of central ip (positive/negative screw and edge without dipoles)
neighboring_rhoSgl ! current single dislocation densities of neighboring ip (positive/negative screw and edge without dipoles) neighboring_rhoSgl !< current single dislocation densities of neighboring ip (positive/negative screw and edge without dipoles)
real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),4) :: & real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),4) :: &
v, & ! current dislocation glide velocity v, & !< current dislocation glide velocity
v0, & ! dislocation glide velocity at start of cryst inc v0, & !< dislocation glide velocity at start of cryst inc
vMe, & ! dislocation glide velocity of central ip vMe, & !< dislocation glide velocity of central ip
neighboring_v, & ! dislocation glide velocity of enighboring ip neighboring_v, & !< dislocation glide velocity of enighboring ip
gdot ! shear rates gdot !< shear rates
real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el)))) :: & real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el)))) :: &
rhoForest, & ! forest dislocation density rhoForest, & !< forest dislocation density
tauThreshold, & ! threshold shear stress tauThreshold, & !< threshold shear stress
tau, & ! current resolved shear stress tau, & !< current resolved shear stress
tauBack, & ! current back stress from pileups on same slip system tauBack, & !< current back stress from pileups on same slip system
vClimb, & ! climb velocity of edge dipoles vClimb, & !< climb velocity of edge dipoles
nSources nSources
real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),2) :: & real(pReal), dimension(constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),2) :: &
rhoDip, & ! current dipole dislocation densities (screw and edge dipoles) rhoDip, & !< current dipole dislocation densities (screw and edge dipoles)
rhoDipOriginal, & rhoDipOriginal, &
dLower, & ! minimum stable dipole distance for edges and screws dLower, & !< minimum stable dipole distance for edges and screws
dUpper ! current maximum stable dipole distance for edges and screws dUpper !< current maximum stable dipole distance for edges and screws
real(pReal), dimension(3,constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),4) :: & real(pReal), dimension(3,constitutive_nonlocal_totalNslip(phase_plasticityInstance(material_phase(g,ip,el))),4) :: &
m ! direction of dislocation motion m !< direction of dislocation motion
real(pReal), dimension(3,3) :: my_F, & ! my total deformation gradient real(pReal), dimension(3,3) :: my_F, & !< my total deformation gradient
neighboring_F, & ! total deformation gradient of my neighbor neighboring_F, & !< total deformation gradient of my neighbor
my_Fe, & ! my elastic deformation gradient my_Fe, & !< my elastic deformation gradient
neighboring_Fe, & ! elastic deformation gradient of my neighbor neighboring_Fe, & !< elastic deformation gradient of my neighbor
Favg ! average total deformation gradient of me and my neighbor Favg !< average total deformation gradient of me and my neighbor
real(pReal), dimension(3) :: normal_neighbor2me, & ! interface normal pointing from my neighbor to me in neighbor's lattice configuration real(pReal), dimension(3) :: normal_neighbor2me, & !< interface normal pointing from my neighbor to me in neighbor's lattice configuration
normal_neighbor2me_defConf, & ! interface normal pointing from my neighbor to me in shared deformed configuration normal_neighbor2me_defConf, & !< interface normal pointing from my neighbor to me in shared deformed configuration
normal_me2neighbor, & ! interface normal pointing from me to my neighbor in my lattice configuration normal_me2neighbor, & !< interface normal pointing from me to my neighbor in my lattice configuration
normal_me2neighbor_defConf ! interface normal pointing from me to my neighbor in shared deformed configuration normal_me2neighbor_defConf !< interface normal pointing from me to my neighbor in shared deformed configuration
real(pReal) area, & ! area of the current interface real(pReal) area, & !< area of the current interface
transmissivity, & ! overall transmissivity of dislocation flux to neighboring material point transmissivity, & !< overall transmissivity of dislocation flux to neighboring material point
lineLength, & ! dislocation line length leaving the current interface lineLength, & !< dislocation line length leaving the current interface
D, & ! self diffusion D, & !< self diffusion
rnd, & rnd, &
meshlength meshlength
logical considerEnteringFlux, & logical considerEnteringFlux, &