Added random component
This commit is contained in:
Luc Hantcherli
parent
3ba46ac7d7
commit
11bb8faa3f
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@ -1,3 +1,6 @@
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! QUESTION fileunit 1 may run into trouble?
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!************************************
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!* Module: CONSTITUTIVE *
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!************************************
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@ -159,8 +162,7 @@ data constitutive_sd(:,12,3)/ 1, 1, 0/ ; data constitutive_sn(:,12,3)/ 1,-1, 1/
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!* Slip-slip interactions matrices
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!* (defined for the moment as crystal structure property and not as material property)
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!* (may be changed in the future)
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real(pReal), dimension(constitutive_MaxMaxNslipOfStructure,constitutive_MaxMaxNslipOfStructure,constitutive_MaxCrystalStructure) ::&
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constitutive_HardeningMatrix
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real(pReal), dimension(constitutive_MaxMaxNslipOfStructure,constitutive_MaxMaxNslipOfStructure,constitutive_MaxCrystalStructure) :: constitutive_HardeningMatrix
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real(pReal), parameter :: constitutive_LatentHardening=1.4_pReal
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!*************************************
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@ -201,6 +203,7 @@ character(len=80), dimension(:), allocatable :: texture_symmetry
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integer(pInt), dimension(:) , allocatable :: texture_Ngrains
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integer(pInt), dimension(:) , allocatable :: texture_NGauss
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integer(pInt),dimension(:) , allocatable :: texture_NFiber
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integer(pInt),dimension(:) , allocatable :: texture_NRandom
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real(pReal), dimension(:,:,:) , allocatable :: texture_Gauss
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real(pReal), dimension(:,:,:) , allocatable :: texture_Fiber
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real(pReal), dimension(:,:,:) , allocatable :: constitutive_phi1
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@ -282,8 +285,7 @@ do l=1,3
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constitutive_Sslip(i,j,k,l)=constitutive_sd(i,k,l)*constitutive_sn(j,k,l)
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endforall
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!* Normalization of Schmid matrix
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invNorm=dsqrt(1.0_pReal/((constitutive_sn(1,k,l)**2+constitutive_sn(2,k,l)**2+constitutive_sn(3,k,l)**2)* &
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(constitutive_sd(1,k,l)**2+constitutive_sd(2,k,l)**2+constitutive_sd(3,k,l)**2)))
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invNorm=dsqrt(1.0_pReal/((constitutive_sn(1,k,l)**2+constitutive_sn(2,k,l)**2+constitutive_sn(3,k,l)**2)*(constitutive_sd(1,k,l)**2+constitutive_sd(2,k,l)**2+constitutive_sd(3,k,l)**2)))
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constitutive_Sslip(:,:,k,l)=constitutive_Sslip(:,:,k,l)*invNorm
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!* Vectorization of normalized Schmid matrix
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!* according MARC component order 11,22,33,12,23,13
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@ -367,7 +369,7 @@ integer(pInt), dimension(3) :: positions
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count=0
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part=''
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do while(.true.)
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do
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read(file,'(a80)',END=100) line
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positions=IO_stringPos(line,1)
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tag=IO_lc(IO_stringValue(line,positions,1))
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@ -383,7 +385,7 @@ enddo
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end subroutine
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subroutine constitutive_CountGaussAndFiber(file,count,part)
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character(len=80) function constitutive_assignNGaussAndFiber(file)
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!*********************************************************************
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!*********************************************************************
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use prec, only: pInt
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@ -391,30 +393,33 @@ use IO, only: IO_stringPos,IO_stringValue,IO_lc
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implicit none
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!* Definition of variables
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character(len=80) line,tag,part
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integer(pInt) file,count,pos
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character(len=80) line,tag
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integer(pInt) file,section,pos
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integer(pInt), dimension(3) :: positions
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part=''
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constitutive_assignNGaussAndFiber=''
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section = 0_pInt
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do while(.true.)
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do
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read(file,'(a80)',END=100) line
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positions=IO_stringPos(line,1)
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tag=IO_lc(IO_stringValue(line,positions,1))
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if (tag(1:1)=='<'.AND.tag(len_trim(tag):len_trim(tag))=='>') then
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part=tag(2:len_trim(tag)-1)
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constitutive_assignNGaussAndFiber=tag(2:len_trim(tag)-1)
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exit
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elseif (tag(1:1)=='[') then
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count=count+1
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elseif (tag(2:len_trim(tag)-1)=='gauss') then
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texture_NGauss(count)=texture_NGauss(count)+1
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elseif (tag(2:len_trim(tag)-1)=='fiber') then
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texture_NFiber(count)=texture_NFiber(count)+1
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section=section+1
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texture_NGauss(section) = 0_pInt
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texture_NFiber(section) = 0_pInt
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elseif (tag=='(gauss)') then
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texture_NGauss(section)=texture_NGauss(section)+1
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elseif (tag=='(fiber)') then
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texture_NFiber(section)=texture_NFiber(section)+1
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endif
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enddo
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100 return
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end subroutine
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end function
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character(len=80) function constitutive_Parse_UnknownPart(file)
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@ -436,7 +441,7 @@ integer(pInt), dimension(1+2*maxNchunks) :: positions
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constitutive_parse_unknownPart=''
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do while(.true.)
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do
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read(file,'(a80)',END=100) line
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positions=IO_stringPos(line,maxNchunks)
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tag=IO_lc(IO_stringValue(line,positions,1))
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@ -572,9 +577,9 @@ do while(.true.)
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case('phi2')
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texture_Gauss(3,gaussCount,section)=IO_floatValue(line,positions,i+1)*inRad
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case('scatter')
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texture_Gauss(5,gaussCount,section)=IO_floatValue(line,positions,i+1)
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texture_Gauss(4,gaussCount,section)=IO_floatValue(line,positions,i+1)
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case('fraction')
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texture_Gauss(6,gaussCount,section)=IO_floatValue(line,positions,i+1)
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texture_Gauss(5,gaussCount,section)=IO_floatValue(line,positions,i+1)
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end select
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enddo
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case ('(fiber)')
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@ -616,16 +621,17 @@ subroutine constitutive_Parse_MatTexDat(filename)
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!* - filename : name of input file *
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!*********************************************************************
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use prec, only: pReal,pInt
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use IO
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use IO, only: IO_error
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!use math, only: math_Mandel3333to66, math_Voigt66to3333
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implicit none
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!* Definition of variables
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character(len=*) filename
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character(len=80) part,formerPart
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integer(pInt) sectionCount,dummy,i,j,k
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integer(pInt) sectionCount,i,j,k
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!* First reading: number of materials and textures
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!* determine material_maxN and texture_maxN
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!* determine material_maxN and texture_maxN from last respective parts
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open(1,FILE=filename,ACTION='READ',STATUS='OLD',ERR=100)
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part = '_dummy_'
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do while (part/='')
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@ -638,28 +644,7 @@ do while (part/='')
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texture_maxN = sectionCount
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end select
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enddo
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close(1)
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!* Arrays allocation
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allocate(texture_NGauss(texture_maxN)) ; texture_NGauss=0_pInt
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allocate(texture_NFiber(texture_maxN)) ; texture_NFiber=0_pInt
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!* Second reading: number of Gauss and Fiber
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!* determine material_maxN and texture_maxN
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open(1,FILE=filename,ACTION='READ',STATUS='OLD',ERR=100)
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part = '_dummy_'
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sectionCount = 0
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do while (part/='')
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select case (part)
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case ('textures')
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call constitutive_CountGaussAndFiber(1,sectionCount,part)
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case default
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call constitutive_CountSections(1,dummy,part)
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end select
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enddo
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close(1)
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!* Arrays allocation
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texture_maxNGauss=maxval(texture_NGauss)
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texture_maxNFiber=maxval(texture_NFiber)
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allocate(material_CrystalStructure(material_maxN)) ; material_CrystalStructure=0_pInt
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allocate(material_Nslip(material_maxN)) ; material_Nslip=0_pInt
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allocate(material_C11(material_maxN)) ; material_C11=0.0_pReal
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@ -677,11 +662,29 @@ allocate(material_w0(material_maxN)) ; material_w0=0.0_pRea
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allocate(texture_ODFfile(texture_maxN)) ; texture_ODFfile=''
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allocate(texture_Ngrains(texture_maxN)) ; texture_Ngrains=0_pInt
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allocate(texture_symmetry(texture_maxN)) ; texture_symmetry=''
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allocate(texture_Gauss(6,texture_maxNGauss,texture_maxN)) ; texture_Gauss=0.0_pReal
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allocate(texture_Fiber(6,texture_maxNGauss,texture_maxN)) ; texture_Fiber=0.0_pReal
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allocate(texture_NGauss(texture_maxN)) ; texture_NGauss=0_pInt
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allocate(texture_NFiber(texture_maxN)) ; texture_NFiber=0_pInt
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allocate(texture_NRandom(texture_maxN)) ; texture_NRandom=0_pInt
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!* Second reading: number of Gauss and Fiber
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rewind(1)
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part = '_dummy_'
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do while (part/='')
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select case (part)
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case ('textures')
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part = constitutive_assignNGaussAndFiber(1)
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case default
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part = constitutive_Parse_UnknownPart(1)
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end select
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enddo
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!* Arrays allocation
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texture_maxNGauss=maxval(texture_NGauss)
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texture_maxNFiber=maxval(texture_NFiber)
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allocate(texture_Gauss(5,texture_maxNGauss,texture_maxN)) ; texture_Gauss=0.0_pReal
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allocate(texture_Fiber(6,texture_maxNFiber,texture_maxN)) ; texture_Fiber=0.0_pReal
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!* Third reading: materials and textures are stored
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open(1,FILE=filename,ACTION='READ',STATUS='OLD',ERR=100)
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rewind(1)
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part='_dummy_'
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do while (part/='')
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select case (part)
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@ -699,7 +702,7 @@ close(1)
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!* Construction of the elasticity matrices
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do i=1,material_maxN
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select case (material_CrystalStructure(i))
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case(1:2)
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case(1:2) ! cubic(s)
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do k=1,3
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do j=1,3
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material_Cslip_66(k,j,i)=material_C12(i)
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@ -707,7 +710,7 @@ do i=1,material_maxN
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material_Cslip_66(k,k,i)=material_C11(i)
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material_Cslip_66(k+3,k+3,i)=material_C44(i)
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enddo
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case(3)
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case(3) ! hcp
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material_Cslip_66(1,1,i)=material_C11(i)
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material_Cslip_66(2,2,i)=material_C11(i)
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material_Cslip_66(3,3,i)=material_C33(i)
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@ -721,15 +724,14 @@ do i=1,material_maxN
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material_Cslip_66(5,5,i)=material_C44(i)
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material_Cslip_66(6,6,i)=0.5_pReal*(material_C11(i)-material_C12(i))
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end select
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!* If MARC
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!constitutive_Cslip_66(:,:,i)=TransformCForMarc(constitutive_Cslip_66(:,:,i))
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! material_Cslip_66(:,:,i) = math_Mandel3333to66(math_Voigt66to3333(material_Cslip_66(:,:,i)))
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enddo
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! MISSING some consistency checks may be..?
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! if ODFfile present then set NGauss NFiber =0
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return
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100 call IO_error(110) ! corrupt matarials_textures file
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100 call IO_error(110) ! corrupt materials_textures file
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end subroutine
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@ -743,26 +745,40 @@ use mesh, only: mesh_NcpElems,FE_Nips,mesh_maxNips,mesh_element
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implicit none
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!* Definition of variables
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integer(pInt) i,j,k,l
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integer(pInt) mul
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integer(pInt) i,j,k,l,volfrac,Ngrains
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integer(pInt) matID,texID,multiplicity
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!* Check for random components
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do i=1,texture_maxN
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if (texture_ODFfile(i)=='') then
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volfrac=sum(texture_gauss(5,:,i))+sum(texture_fiber(6,:,i))
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if (volfrac<1.0_pReal) then
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texture_NRandom(i)=1
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endif
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endif
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enddo
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!* Multiplicity of orientations per texture
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!* Construction of optimized constitutive_Ngrains
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allocate(constitutive_Ngrains(mesh_maxNips,mesh_NcpElems))
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constitutive_Ngrains=0_pInt
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allocate(constitutive_Ngrains(mesh_maxNips,mesh_NcpElems)) ; constitutive_Ngrains=0_pInt
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do i=1,mesh_NcpElems
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do j=1,FE_Nips(mesh_element(2,i))
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mul=texture_Ngrains(mesh_element(4,i))/(texture_NGauss(mesh_element(4,i))+texture_NFiber(mesh_element(4,i)))
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if (texture_Ngrains(mesh_element(4,i))==(mul*(texture_NGauss(mesh_element(4,i))+texture_NFiber(mesh_element(4,i))))) then
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constitutive_Ngrains(j,i)=texture_Ngrains(mesh_element(4,i))
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else
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constitutive_Ngrains(j,i)=mul*(texture_NGauss(mesh_element(4,i))+texture_NFiber(mesh_element(4,i)))
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endif
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constitutive_maxNgrains=maxval(constitutive_Ngrains)
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enddo
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matID=mesh_element(3,i)
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texID=mesh_element(4,i)
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if (texture_ODFfile(texID)/='') then
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constitutive_Ngrains = texture_Ngrains(texID)
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else
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multiplicity=texture_Ngrains(texID)/(texture_NGauss(texID)+texture_NFiber(texID)+texture_NRandom(texID))
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do j=1,FE_Nips(mesh_element(2,i))
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if (texture_Ngrains(texID)==multiplicity*(texture_NGauss(texID)+texture_NFiber(texID)+texture_NRandom(texID))) then
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constitutive_Ngrains(j,i)=texture_Ngrains(texID)
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else
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constitutive_Ngrains(j,i)=multiplicity*(texture_NGauss(texID)+texture_NFiber(texID)+texture_NRandom(texID))
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endif
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enddo
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endif
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enddo
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!* Allocate arrays
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constitutive_maxNgrains=maxval(constitutive_Ngrains)
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allocate(constitutive_matID(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_matID=0_pInt
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allocate(constitutive_texID(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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@ -788,45 +804,63 @@ constitutive_state_new=0.0_pReal
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!* Results
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allocate(constitutive_Nresults(constitutive_maxNgrains,mesh_maxNips,mesh_NcpElems))
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constitutive_Nresults=0_pInt
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!* Assignment
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do i=1,mesh_NcpElems
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do j=1,FE_Nips(mesh_element(2,i))
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mul=texture_Ngrains(mesh_element(4,i))/(texture_NGauss(mesh_element(4,i))+texture_NFiber(mesh_element(4,i)))
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!* Gauss component
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do k=1,mul*texture_NGauss(mesh_element(4,i)),mul
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do l=k,k+mul
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constitutive_matID(l,j,i)=mesh_element(3,i)
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constitutive_texID(l,j,i)=mesh_element(4,i)
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constitutive_MatVolFrac(l,j,i)=1.0_pReal
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constitutive_TexVolFrac(l,j,i)=texture_Gauss(6,k,mesh_element(4,i))/mul
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constitutive_phi1(l,j,i)=texture_Gauss(1,k,mesh_element(4,i))
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constitutive_phi(l,j,i)=texture_Gauss(2,k,mesh_element(4,i))
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constitutive_phi2(l,j,i)=texture_Gauss(3,k,mesh_element(4,i))
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! if (constitutive_phi1(l,j,i)==400*inRad) then
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! call math_halton_ori()
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! else
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! call math_gauss()
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! endif
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! constitutive_phi1(l,j,i)=texture_Gauss(1,k,mesh_element(4,i))
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! constitutive_phi(l,j,i)=texture_Gauss(2,k,mesh_element(4,i))
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! constitutive_phi2(l,j,i)=texture_Gauss(3,k,mesh_element(4,i))
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enddo
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matID=mesh_element(3,i)
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texID=mesh_element(4,i)
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if (texture_ODFfile(texID)=='') then
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multiplicity=texture_Ngrains(texID)/(texture_NGauss(texID)+texture_NFiber(texID)+texture_NRandom(texID))
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do j=1,FE_Nips(mesh_element(2,i))
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!* Gauss component
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do k=1,multiplicity*texture_NGauss(texID),multiplicity
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do l=k,k+multiplicity
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constitutive_matID(l,j,i)=matID
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constitutive_texID(l,j,i)=texID
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constitutive_MatVolFrac(l,j,i)=1.0_pReal
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constitutive_TexVolFrac(l,j,i)=texture_Gauss(6,k,texID)/multiplicity
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constitutive_phi1(l,j,i)=texture_Gauss(1,k,texID)
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constitutive_phi(l,j,i)=texture_Gauss(2,k,texID)
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constitutive_phi2(l,j,i)=texture_Gauss(3,k,texID)
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! if (constitutive_phi1(l,j,i)==400*inRad) then
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! call math_halton_ori()
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! else
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! call math_gauss()
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! endif
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! constitutive_phi1(l,j,i)=texture_Gauss(1,k,mesh_element(4,i))
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! constitutive_phi(l,j,i)=texture_Gauss(2,k,mesh_element(4,i))
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! constitutive_phi2(l,j,i)=texture_Gauss(3,k,mesh_element(4,i))
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enddo
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enddo
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!* Fiber component
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do k=1+texture_NGauss(texID),multiplicity*texture_NFiber(texID)+texture_NGauss(texID),multiplicity
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do l=k,k+multiplicity
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constitutive_matID(l,j,i)=matID
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constitutive_texID(l,j,i)=texID
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constitutive_MatVolFrac(l,j,i)=1.0_pReal
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constitutive_TexVolFrac(l,j,i)=texture_Fiber(6,k,texID)/multiplicity
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! constitutive_phi1(l,j,i)=texture_Fiber(1,k,mesh_element(4,i))
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! constitutive_phi(l,j,i)=texture_Fiber(2,k,mesh_element(4,i))
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! constitutive_phi2(l,j,i)=texture_Fiber(3,k,mesh_element(4,i))
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enddo
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enddo
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!* Random component
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do k=1+texture_NGauss(texID)+texture_NFiber(texID),constitutive_Ngrains(j,i),multiplicity
|
||||
do l=k,k+multiplicity
|
||||
constitutive_matID(l,j,i)=matID
|
||||
constitutive_texID(l,j,i)=texID
|
||||
constitutive_MatVolFrac(l,j,i)=1.0_pReal
|
||||
constitutive_TexVolFrac(l,j,i)=(1.0_pReal-texture_Gauss(5,k,texID)-texture_Fiber(6,k,texID))/multiplicity
|
||||
! constitutive_phi1(l,j,i)=texture_Fiber(1,k,mesh_element(4,i))
|
||||
! constitutive_phi(l,j,i)=texture_Fiber(2,k,mesh_element(4,i))
|
||||
! constitutive_phi2(l,j,i)=texture_Fiber(3,k,mesh_element(4,i))
|
||||
enddo
|
||||
enddo
|
||||
enddo
|
||||
!* Fiber component
|
||||
do k=1+texture_NGauss(mesh_element(4,i)),constitutive_Ngrains(i,j),mul
|
||||
do l=k,k+mul
|
||||
constitutive_matID(l,j,i)=mesh_element(3,i)
|
||||
constitutive_texID(l,j,i)=mesh_element(4,i)
|
||||
constitutive_MatVolFrac(l,j,i)=1.0_pReal
|
||||
constitutive_TexVolFrac(l,j,i)=texture_Fiber(6,k,mesh_element(4,i))/mul
|
||||
! constitutive_phi1(l,j,i)=texture_Fiber(1,k,mesh_element(4,i))
|
||||
! constitutive_phi(l,j,i)=texture_Fiber(2,k,mesh_element(4,i))
|
||||
! constitutive_phi2(l,j,i)=texture_Fiber(3,k,mesh_element(4,i))
|
||||
enddo
|
||||
enddo
|
||||
enddo
|
||||
endif
|
||||
enddo
|
||||
|
||||
|
||||
!* Initialization of state variables
|
||||
!do l=1,material_Nstatevars(k,j,i)
|
||||
! constitutive_state_old(l,k,j,i)=material_s0_slip(constitutive_matID(k,j,i))
|
||||
|
|
@ -914,21 +948,17 @@ Tstar_v(6)=Tstar_v_m(6)/dsqrt(2.0_pReal)
|
|||
Lp=0.0_pReal
|
||||
do i=1,material_Nslip(matID)
|
||||
tau_slip(i)=dot_product(Tstar_v,constitutive_Sslip_v(:,i,material_CrystalStructure(matID)))
|
||||
gdot_slip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**material_n_slip(matID)* &
|
||||
sign(1.0_pReal,tau_slip(i))
|
||||
gdot_slip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**material_n_slip(matID)*sign(1.0_pReal,tau_slip(i))
|
||||
Lp=Lp+gdot_slip(i)*constitutive_Sslip(:,:,i,material_CrystalStructure(matID))
|
||||
enddo
|
||||
|
||||
!* Calculation of the tangent of Lp
|
||||
dLp_dTstar=0.0_pReal
|
||||
do i=1,material_Nslip(matID)
|
||||
dgdot_dtauslip(i)=material_gdot0_slip(matID)* &
|
||||
(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**(material_n_slip(matID)-1.0_pReal)* &
|
||||
material_n_slip(matID)/constitutive_state_new(i,ipc,ip,el)
|
||||
dgdot_dtauslip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**(material_n_slip(matID)-1.0_pReal)*material_n_slip(matID)/constitutive_state_new(i,ipc,ip,el)
|
||||
forall (k=1:3,l=1:3,m=1:3,n=1:3)
|
||||
dLp_dTstar(k,l,m,n)=dLp_dTstar(k,l,m,n)+constitutive_Sslip(k,l,i,material_CrystalStructure(matID))* &
|
||||
constitutive_Sslip(m,n,i,material_CrystalStructure(matID))*dgdot_dtauslip(i)
|
||||
end forall
|
||||
dLp_dTstar(k,l,m,n)=dLp_dTstar(k,l,m,n)+constitutive_Sslip(k,l,i,material_CrystalStructure(matID))*constitutive_Sslip(m,n,i,material_CrystalStructure(matID))*dgdot_dtauslip(i)
|
||||
endforall
|
||||
enddo
|
||||
|
||||
return
|
||||
|
|
@ -970,17 +1000,12 @@ Tstar_v(6)=Tstar_v_m(6)/dsqrt(2.0_pReal)
|
|||
!* Self-Hardening of each system
|
||||
do i=1,constitutive_Nstatevars(ipc,ip,el)
|
||||
tau_slip(i)=dot_product(Tstar_v,constitutive_Sslip_v(:,i,material_CrystalStructure(matID)))
|
||||
gdot_slip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**material_n_slip(matID)* &
|
||||
sign(1.0_pReal,tau_slip(i))
|
||||
self_hardening(i)=material_h0(matID)*(1.0_pReal-constitutive_state_new(i,ipc,ip,el)/material_s_sat(matID))**material_w0(matID)* &
|
||||
abs(gdot_slip(i))
|
||||
gdot_slip(i)=material_gdot0_slip(matID)*(abs(tau_slip(i))/constitutive_state_new(i,ipc,ip,el))**material_n_slip(matID)*sign(1.0_pReal,tau_slip(i))
|
||||
self_hardening(i)=material_h0(matID)*(1.0_pReal-constitutive_state_new(i,ipc,ip,el)/material_s_sat(matID))**material_w0(matID)*abs(gdot_slip(i))
|
||||
enddo
|
||||
|
||||
!* Hardening for all systems
|
||||
constitutive_DotState = matmul(constitutive_HardeningMatrix(1:material_Nslip(matID), &
|
||||
1:material_Nslip(matID), &
|
||||
material_CrystalStructure(matID)), &
|
||||
self_hardening)
|
||||
constitutive_DotState=matmul(constitutive_HardeningMatrix(1:material_Nslip(matID),1:material_Nslip(matID),material_CrystalStructure(matID)),self_hardening)
|
||||
|
||||
return
|
||||
end function
|
||||
|
|
|
|||
Loading…
Reference in New Issue