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Corrected the treatment of interaction coefficients in constitutive_dislo

This commit is contained in:
Luc Hantcherli 2007-10-22 15:32:45 +00:00
parent 57ed908129
commit 9043b4374e
1 changed files with 18 additions and 28 deletions
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46
trunk/constitutive_dislo.f90
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@ -262,12 +262,11 @@ character(len=80) function constitutive_Parse_MaterialPart(file)
!********************************************************************* !*********************************************************************
use prec, only: pInt,pReal use prec, only: pInt,pReal
use IO use IO
use crystal, only: crystal_MaxMaxNslipOfStructure
implicit none implicit none
!* Definition of variables !* Definition of variables
character(len=80) line,tag character(len=80) line,tag
integer(pInt), parameter :: maxNchunks = 2 integer(pInt), parameter :: maxNchunks = 7
integer(pInt) i,file,section integer(pInt) i,file,section
integer(pInt), dimension(1+2*maxNchunks) :: positions integer(pInt), dimension(1+2*maxNchunks) :: positions
@ -305,7 +304,7 @@ do while(.true.)
case ('rho0') !* conversion in 1/mm² case ('rho0') !* conversion in 1/mm²
material_rho0(section)=IO_floatValue(line,positions,2)/1.0e6_pReal material_rho0(section)=IO_floatValue(line,positions,2)/1.0e6_pReal
case ('interaction_coefficients') case ('interaction_coefficients')
do i=1,crystal_MaxMaxNslipOfStructure do i=1,6
material_SlipIntCoeff(i,section)=IO_floatValue(line,positions,i+1) material_SlipIntCoeff(i,section)=IO_floatValue(line,positions,i+1)
enddo enddo
case ('bg') !* conversion in mm case ('bg') !* conversion in mm
@ -613,6 +612,7 @@ enddo
!* publish globals !* publish globals
constitutive_maxNgrains = maxval(texture_Ngrains) constitutive_maxNgrains = maxval(texture_Ngrains)
material_maxNslip = maxval(material_Nslip) ! max # of slip systems among materials present
constitutive_maxNstatevars = maxval(material_Nslip) + 0_pInt constitutive_maxNstatevars = maxval(material_Nslip) + 0_pInt
constitutive_maxNresults = 1_pInt constitutive_maxNresults = 1_pInt
@ -645,17 +645,17 @@ allocate(constitutive_state_old(constitutive_maxNstatevars,constitutive_maxNgrai
constitutive_state_old=0.0_pReal constitutive_state_old=0.0_pReal
allocate(constitutive_state_new(constitutive_maxNstatevars,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems)) allocate(constitutive_state_new(constitutive_maxNstatevars,constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
constitutive_state_new=0.0_pReal constitutive_state_new=0.0_pReal
allocate(constitutive_Pforest(constitutive_maxNstatevars,constitutive_maxNstatevars,material_maxN)) allocate(constitutive_Pforest(material_maxNslip,constitutive_material_maxNslip,material_maxN))
constitutive_Pforest=0.0_pReal constitutive_Pforest=0.0_pReal
allocate(constitutive_Pparallel(constitutive_maxNstatevars,constitutive_maxNstatevars,material_maxN)) allocate(constitutive_Pparallel(material_maxNslip,material_maxNslip,material_maxN))
constitutive_Pparallel=0.0_pReal constitutive_Pparallel=0.0_pReal
allocate(constitutive_rho_p(constitutive_maxNstatevars)) ; constitutive_rho_p=0.0_pReal allocate(constitutive_rho_p(material_maxNslip)) ; constitutive_rho_p=0.0_pReal
allocate(constitutive_rho_f(constitutive_maxNstatevars)) ; constitutive_rho_f=0.0_pReal allocate(constitutive_rho_f(material_maxNslip)) ; constitutive_rho_f=0.0_pReal
allocate(constitutive_rho_m(constitutive_maxNstatevars)) ; constitutive_rho_m=0.0_pReal allocate(constitutive_rho_m(material_maxNslip)) ; constitutive_rho_m=0.0_pReal
allocate(constitutive_passing_stress(constitutive_maxNstatevars)) ; constitutive_passing_stress=0.0_pReal allocate(constitutive_passing_stress(material_maxNslip)) ; constitutive_passing_stress=0.0_pReal
allocate(constitutive_jump_width(constitutive_maxNstatevars)) ; constitutive_jump_width=0.0_pReal allocate(constitutive_jump_width(material_maxNslip)) ; constitutive_jump_width=0.0_pReal
allocate(constitutive_activation_volume(constitutive_maxNstatevars)) ; constitutive_activation_volume=0.0_pReal allocate(constitutive_activation_volume(material_maxNslip)) ; constitutive_activation_volume=0.0_pReal
allocate(constitutive_g0_slip(constitutive_maxNstatevars)) ; constitutive_g0_slip=0.0_pReal allocate(constitutive_g0_slip(material_maxNslip)) ; constitutive_g0_slip=0.0_pReal
!* Assignment of all grains in all IPs of all cp-elements !* Assignment of all grains in all IPs of all cp-elements
do e=1,mesh_NcpElems do e=1,mesh_NcpElems
@ -716,23 +716,15 @@ enddo ! cp_element
!* Construction of the hardening matrices !* Construction of the hardening matrices
do i=1,material_maxN do i=1,material_maxN
!* Iteration over the systems !* Iteration over the systems
do j=1,constitutive_maxNstatevars do j=1,material_Nslip(i)
do k=1,constitutive_maxNstatevars do k=1,material_Nslip(i)
!* Hardening type *
do l=1,constitutive_maxNstatevars
if (crystal_SlipIntType(j,k,i)==l) then
K_inter=material_SlipIntCoeff(l,i)
else
K_inter=0.0_pReal
endif
enddo
!* Projection of the dislocation * !* Projection of the dislocation *
x=dot_product(crystal_sn(:,j,i),crystal_st(:,k,i)) x=dot_product(crystal_sn(:,j,i),crystal_st(:,k,i))
y=1.0_pReal-x**(2.0_pReal) y=1.0_pReal-x**(2.0_pReal)
!* Interaction matrix * !* Interaction matrix *
constitutive_Pforest(j,k,i)=abs(x)*K_inter constitutive_Pforest(j,k,i)=abs(x)*material_SlipIntCoeff(crystal_SlipIntType(j,k,i),i)
if (y>0.0_pReal) then if (y>0.0_pReal) then
constitutive_Pparallel(j,k,i)=sqrt(y)*K_inter constitutive_Pparallel(j,k,i)=sqrt(y)*material_SlipIntCoeff(crystal_SlipIntType(j,k,i),i)
else else
constitutive_Pparallel(j,k,i)=0.0_pReal constitutive_Pparallel(j,k,i)=0.0_pReal
endif endif
@ -788,10 +780,8 @@ real(pReal), dimension(constitutive_Nstatevars(ipc,ip,el)) :: state
matID = constitutive_matID(ipc,ip,el) matID = constitutive_matID(ipc,ip,el)
!* Quantities derivated from state !* Quantities derivated from state
constitutive_rho_f=matmul(constitutive_Pforest(1:constitutive_Nstatevars(ipc,ip,el),& constitutive_rho_f=matmul(constitutive_Pforest (1:material_Nslip(matID),1:material_Nslip(matID),matID),state)
1:constitutive_Nstatevars(ipc,ip,el),matID),state) constitutive_rho_p=matmul(constitutive_Pparallel(1:material_Nslip(matID),1:material_Nslip(matID),matID),state)
constitutive_rho_p=matmul(constitutive_Pparallel(1:constitutive_Nstatevars(ipc,ip,el),&
1:constitutive_Nstatevars(ipc,ip,el),matID),state)
do i=1,material_Nslip(matID) do i=1,material_Nslip(matID)
constitutive_passing_stress(i)=material_tau0(matID)+material_c1(matID)*material_Gmod(matID)*material_bg(matID)*& constitutive_passing_stress(i)=material_tau0(matID)+material_c1(matID)*material_Gmod(matID)*material_bg(matID)*&
sqrt(constitutive_rho_p(i)) sqrt(constitutive_rho_p(i))