DAMASK_EICMD/trunk/IO.f90

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!##############################################################
MODULE IO
!##############################################################
CONTAINS
!---------------------------
! function IO_open_file(unit,relPath)
! function IO_open_inputFile(unit)
! function IO_hybridIA(Nast,ODFfileName)
! private function hybridIA_reps(dV_V,steps,C)
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! function IO_stringPos(line,maxN)
! function IO_stringValue(line,positions,pos)
! function IO_floatValue(line,positions,pos)
! function IO_intValue(line,positions,pos)
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! function IO_fixedStringValue(line,ends,pos)
! function IO_fixedFloatValue(line,ends,pos)
! function IO_fixedFloatNoEValue(line,ends,pos)
! function IO_fixedIntValue(line,ends,pos)
! function IO_continousTntValues(unit,maxN)
! function IO_lc(line)
! subroutine IO_lcInplace(line)
! subroutine IO_error(ID)
!---------------------------
!********************************************************************
! open existing file to given unit
! path to file is relative to working directory
!********************************************************************
logical FUNCTION IO_open_file(unit,relPath)
use prec, only: pInt
implicit none
character(len=*), parameter :: pathSep = achar(47)//achar(92) ! /, \
character(len=*) relPath
integer(pInt) unit
character(256) path
inquire(6, name=path) ! determine outputfile
open(unit,status='old',err=100,file=path(1:scan(path,pathSep,back=.true.))//relPath)
IO_open_file = .true.
return
100 IO_open_file = .false.
return
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END FUNCTION
!********************************************************************
! open FEM inputfile to given unit
!********************************************************************
logical FUNCTION IO_open_inputFile(unit)
use prec, only: pReal, pInt
implicit none
character(256) outName
integer(pInt) unit, extPos
character(3) ext
inquire(6, name=outName) ! determine outputfileName
extPos = len_trim(outName)-2
if(outName(extPos:extPos+2)=='out') then
ext='dat' ! MARC
else
ext='inp' ! ABAQUS
end if
open(unit,status='old',err=100,file=outName(1:extPos-1)//ext)
IO_open_inputFile = .true.
return
100 IO_open_inputFile = .false.
return
END FUNCTION
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!********************************************************************
! hybrid IA repetition counter
!********************************************************************
FUNCTION hybridIA_reps(dV_V,steps,C)
use prec, only: pReal, pInt
implicit none
integer(pInt), intent(in), dimension(3) :: steps
integer(pInt) hybridIA_reps, phi1,Phi,phi2
real(pReal), intent(in), dimension(steps(3),steps(2),steps(1)) :: dV_V
real(pReal), intent(in) :: C
hybridIA_reps = 0_pInt
do phi1=1,steps(1)
do Phi =1,steps(2)
do phi2=1,steps(3)
hybridIA_reps = hybridIA_reps+nint(C*dV_V(phi2,Phi,phi1), pInt)
end do
end do
end do
return
END FUNCTION
!********************************************************************
! hybrid IA sampling of ODFfile
!********************************************************************
FUNCTION IO_hybridIA(Nast,ODFfileName)
use prec, only: pReal, pInt
use math, only: inRad
implicit none
character(len=*) ODFfileName
character(len=80) line
character(len=*), parameter :: fileFormat = '(A80)'
integer(pInt) i,j,bin,Nast,NnonZero,Nset,Nreps,reps,phi1,Phi,phi2
integer(pInt), dimension(7) :: pos
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integer(pInt), dimension(3) :: steps
integer(pInt), dimension(:), allocatable :: binSet
real(pReal) center,sum_dV_V,prob,dg_0,C,lowerC,upperC,rnd
real(pReal), dimension(3) :: limits,deltas
real(pReal), dimension(:,:,:), allocatable :: dV_V
real(pReal), dimension(3,Nast) :: IO_hybridIA
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if (.not. IO_open_file(999,ODFfileName)) goto 100
!--- parse header of ODF file ---
!--- limits in phi1, Phi, phi2 ---
read(999,fmt=fileFormat,end=100) line
pos = IO_stringPos(line,3)
if (pos(1).ne.3) goto 100
do i=1,3
limits(i) = IO_intValue(line,pos,i)*inRad
end do
!--- deltas in phi1, Phi, phi2 ---
read(999,fmt=fileFormat,end=100) line
pos = IO_stringPos(line,3)
if (pos(1).ne.3) goto 100
do i=1,3
deltas(i) = IO_intValue(line,pos,i)*inRad
end do
steps = nint(limits/deltas,pInt)
allocate(dV_V(steps(3),steps(2),steps(1)))
!--- box boundary/center at origin? ---
read(999,fmt=fileFormat,end=100) line
if (index(IO_lc(line),'bound')>0) then
center = 0.5_pReal
else
center = 0.0_pReal
end if
!--- skip blank line ---
read(999,fmt=fileFormat,end=100) line
sum_dV_V = 0.0_pReal
dV_V = 0.0_pReal
dg_0 = deltas(1)*deltas(3)*2.0_pReal*sin(deltas(2)/2.0_pReal)
NnonZero = 0_pInt
do phi1=1,steps(1)
do Phi=1,steps(2)
do phi2=1,steps(3)
read(999,fmt='(F)',end=100) prob
if (prob > 0.0_pReal) then
NnonZero = NnonZero+1
sum_dV_V = sum_dV_V+prob
else
prob = 0.0_pReal
end if
dV_V(phi2,Phi,phi1) = prob*dg_0*sin((Phi-1.0_pReal+center)*deltas(2))
end do
end do
end do
dV_V = dV_V/sum_dV_V ! normalize to 1
!--- now fix bounds ---
Nset = max(Nast,NnonZero)
lowerC = 0.0_pReal
upperC = real(Nset, pReal)
do while (hybridIA_reps(dV_V,steps,upperC) < Nset)
lowerC = upperC
upperC = upperC*2.0_pReal
end do
!--- binary search for best C ---
do
C = (upperC+lowerC)/2.0_pReal
Nreps = hybridIA_reps(dV_V,steps,C)
if (abs(upperC-lowerC) < upperC*1.0e-14_pReal) then
C = upperC
Nreps = hybridIA_reps(dV_V,steps,C)
exit
elseif (Nreps < Nset) then
lowerC = C
elseif (Nreps > Nset) then
upperC = C
else
exit
end if
end do
allocate(binSet(Nreps))
bin = 0 ! bin counter
i = 1 ! set counter
do phi1=1,steps(1)
do Phi=1,steps(2)
do phi2=1,steps(3)
reps = nint(C*dV_V(phi2,Phi,phi1), pInt)
binSet(i:i+reps-1) = bin
bin = bin+1 ! advance bin
i = i+reps ! advance set
end do
end do
end do
do i=1,Nast
if (i < Nast) then
call random_number(rnd)
j = nint(rnd*(Nast-i)+i+0.5_pReal,pInt)
else
j = i
end if
bin = binSet(j)
IO_hybridIA(1,i) = deltas(1)*(mod(bin/(steps(3)*steps(2)),steps(1))+center) ! phi1
IO_hybridIA(2,i) = deltas(2)*(mod(bin/ steps(3) ,steps(2))+center) ! Phi
IO_hybridIA(3,i) = deltas(3)*(mod(bin ,steps(3))+center) ! phi2
binSet(j) = binSet(i)
end do
close(999)
return
! on error
100 IO_hybridIA = -1
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close(999)
return
END FUNCTION
!********************************************************************
! locate at most N space-separated parts in line
! return array containing number of parts found and
! their left/right positions to be used by IO_xxxVal
!********************************************************************
FUNCTION IO_stringPos (line,N)
use prec, only: pReal,pInt
implicit none
character(len=*) line
character(len=*), parameter :: sep=achar(32)//achar(9)//achar(10)//achar(13) ! whitespaces
integer(pInt) N, part
integer(pInt) IO_stringPos(1+N*2)
IO_stringPos = -1
IO_stringPos(1) = 0
part = 1
do while ((N<1 .or. part<=N) .and. verify(line(IO_stringPos(part*2-1)+1:),sep)>0)
IO_stringPos(part*2) = IO_stringPos(part*2-1)+verify(line(IO_stringPos(part*2-1)+1:),sep)
IO_stringPos(part*2+1) = IO_stringPos(part*2)+scan(line(IO_stringPos(part*2):),sep)-2
part = part+1
end do
IO_stringPos(1) = part-1
return
END FUNCTION
!********************************************************************
! read string value at pos from line
!********************************************************************
FUNCTION IO_stringValue (line,positions,pos)
use prec, only: pReal,pInt
implicit none
character(len=*) line
integer(pInt) positions(*),pos
character(len=1+positions(pos*2+1)-positions(pos*2)) IO_stringValue
if (positions(1) < pos) then
IO_stringValue = ''
else
IO_stringValue = line(positions(pos*2):positions(pos*2+1))
endif
return
END FUNCTION
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!********************************************************************
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! read string value at pos from fixed format line
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!********************************************************************
FUNCTION IO_fixedStringValue (line,ends,pos)
use prec, only: pReal,pInt
implicit none
character(len=*) line
integer(pInt) ends(*),pos
character(len=ends(pos+1)-ends(pos)) IO_fixedStringValue
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IO_fixedStringValue = line(ends(pos)+1:ends(pos+1))
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return
END FUNCTION
!********************************************************************
! read float value at pos from line
!********************************************************************
FUNCTION IO_floatValue (line,positions,pos)
use prec, only: pReal,pInt
implicit none
character(len=*) line
real(pReal) IO_floatValue
integer(pInt) positions(*),pos
if (positions(1) >= pos) then
read(UNIT=line(positions(pos*2):positions(pos*2+1)),ERR=100,FMT='(F)') IO_floatValue
return
endif
100 IO_floatValue = -1.0_pReal
return
END FUNCTION
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!********************************************************************
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! read float value at pos from fixed format line
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!********************************************************************
FUNCTION IO_fixedFloatValue (line,ends,pos)
use prec, only: pReal,pInt
implicit none
character(len=*) line
real(pReal) IO_fixedFloatValue
integer(pInt) ends(*),pos
read(UNIT=line(ends(pos-1)+1:ends(pos)),ERR=100,FMT='(F)') IO_fixedFloatValue
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return
100 IO_fixedFloatValue = -1.0_pReal
return
END FUNCTION
!********************************************************************
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! read float x.y+z value at pos from format line line
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!********************************************************************
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FUNCTION IO_fixedNoEFloatValue (line,ends,pos)
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use prec, only: pReal,pInt
implicit none
character(len=*) line
real(pReal) IO_fixedNoEFloatValue,base
integer(pInt) ends(*),pos,pos_exp,expon
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pos_exp = scan(line(ends(pos)+1:ends(pos+1)),'+-',back=.true.)
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if (pos_exp > 1) then
read(UNIT=line(ends(pos)+1:ends(pos)+pos_exp-1),ERR=100,FMT='(F)') base
read(UNIT=line(ends(pos)+pos_exp:ends(pos+1)),ERR=100,FMT='(I)') expon
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else
read(UNIT=line(ends(pos)+1:ends(pos+1)),ERR=100,FMT='(F)') base
expon = 0_pInt
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endif
IO_fixedNoEFloatValue = base*10.0_pReal**expon
return
100 IO_fixedNoEFloatValue = -1.0_pReal
return
END FUNCTION
!********************************************************************
! read int value at pos from line
!********************************************************************
FUNCTION IO_intValue (line,positions,pos)
use prec, only: pReal,pInt
implicit none
character(len=*) line
integer(pInt) IO_intValue
integer(pInt) positions(*),pos
if (positions(1) >= pos) then
read(UNIT=line(positions(pos*2):positions(pos*2+1)),ERR=100,FMT='(I)') IO_intValue
return
endif
100 IO_intValue = -1_pInt
return
END FUNCTION
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!********************************************************************
! read int value at pos from fixed format line
!********************************************************************
FUNCTION IO_fixedIntValue (line,ends,pos)
use prec, only: pReal,pInt
implicit none
character(len=*) line
integer(pInt) IO_fixedIntValue
integer(pInt) ends(*),pos
read(UNIT=line(ends(pos)+1:ends(pos+1)),ERR=100,FMT='(I)') IO_fixedIntValue
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return
100 IO_fixedIntValue = -1_pInt
return
END FUNCTION
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!********************************************************************
! change character in line to lower case
!********************************************************************
FUNCTION IO_lc (line)
use prec, only: pInt
implicit none
character (len=*) line
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character (len=len(line)) IO_lc
integer(pInt) i
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IO_lc = line
do i=1,len(line)
if(64<iachar(line(i:i)) .and. iachar(line(i:i))<91) IO_lc(i:i)=achar(iachar(line(i:i))+32)
enddo
return
END FUNCTION
!********************************************************************
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! in place change of character in line to lower case
!********************************************************************
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SUBROUTINE IO_lcInplace (line)
use prec, only: pInt
implicit none
character (len=*) line
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character (len=len(line)) IO_lc
integer(pInt) i
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IO_lc = line
do i=1,len(line)
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if(64<iachar(line(i:i)) .and. iachar(line(i:i))<91) IO_lc(i:i)=achar(iachar(line(i:i))+32)
enddo
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line = IO_lc
return
END SUBROUTINE
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!********************************************************************
! read consecutive lines of ints concatenatred by "c" as last char
! or range of values a "to" b
!********************************************************************
FUNCTION IO_continousIntValues (unit,maxN)
use prec, only: pReal,pInt
implicit none
integer(pInt) unit,maxN,i
integer(pInt), dimension(1+maxN) :: IO_continousIntValues
integer(pInt), dimension(67) :: pos ! allow for 32 values excl "c"
character(len=300) line
IO_continousIntValues(1) = 0
do
read(unit,'(A300)',end=100) line
pos = IO_stringPos(line,33)
if (IO_lc(IO_stringValue(line,pos,2)) == 'to' ) then ! found range indicator
do i = IO_intValue(line,pos,1),IO_intValue(line,pos,3)
IO_continousIntValues(1) = IO_continousIntValues(1)+1
IO_continousIntValues(1+IO_continousIntValues(1)) = i
enddo
exit
else
do i = 1,pos(1)-1 ! interpret up to second to last value
IO_continousIntValues(1) = IO_continousIntValues(1)+1
IO_continousIntValues(1+IO_continousIntValues(1)) = IO_intValue(line,pos,i)
enddo
if ( IO_lc(IO_stringValue(line,pos,pos(1))) /= 'c' ) then ! line finished, read last value
IO_continousIntValues(1) = IO_continousIntValues(1)+1
IO_continousIntValues(1+IO_continousIntValues(1)) = IO_intValue(line,pos,pos(1))
exit
endif
endif
enddo
100 return
END FUNCTION
!********************************************************************
! write error statements to standard out
! and terminate the Marc run with exit #9xxx
! in ABAQUS either time step is reduced or execution terminated
!********************************************************************
SUBROUTINE IO_error(ID)
use prec, only: pInt
implicit none
integer(pInt) ID
character(len=80) msg
select case (ID)
case (100)
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msg='Unable to open input file.'
case (200)
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msg='Error reading from material+texture file'
case (300)
msg='This material can only be used with &
&elements with three direct stress components'
case (400)
msg='Unknown alloy number specified'
case (500)
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msg='Unknown lattice type specified'
case (600)
msg='Stress iteration did not converge'
case (700)
msg='Singular matrix in stress iteration'
case default
msg='Unknown error number'
end select
write(6,*) 'MPIE Material Routine Ver. 0.7 by Dr. F. Roters'
write(6,*)
write(6,*) msg
call flush(6)
! call quit(9000+ID)
! ABAQUS returns in some cases
return
END SUBROUTINE
END MODULE IO