DAMASK_EICMD/src/DAMASK_Marc.f90

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!--------------------------------------------------------------------------------------------------
!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
!> @author Franz Roters, Max-Planck-Institut für Eisenforschung GmbH
!> @author Luc Hantcherli, Max-Planck-Institut für Eisenforschung GmbH
!> @author W.A. Counts
!> @author Denny Tjahjanto, Max-Planck-Institut für Eisenforschung GmbH
!> @author Christoph Kords, Max-Planck-Institut für Eisenforschung GmbH
!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @brief Interfaces DAMASK with MSC.Marc
!--------------------------------------------------------------------------------------------------
#define QUOTE(x) #x
#define PASTE(x,y) x ## y
#ifdef Marc4DAMASK
#define MARC4DAMASK Marc4DAMASK
#endif
#include "prec.f90"
module DAMASK_interface
use prec
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use, intrinsic :: ISO_fortran_env, only: &
compiler_version, &
compiler_options
use ifport, only: &
CHDIR
implicit none
private
logical, protected, public :: symmetricSolver
character(len=*), parameter, public :: INPUTFILEEXTENSION = '.dat'
public :: &
DAMASK_interface_init, &
getSolverJobName
contains
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!--------------------------------------------------------------------------------------------------
!> @brief reports and sets working directory
!--------------------------------------------------------------------------------------------------
subroutine DAMASK_interface_init
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integer, dimension(8) :: dateAndTime
integer :: ierr
character(len=pPathLen) :: wd
print'(/,1x,a)', '<<<+- DAMASK_marc init -+>>>'
print*, 'Roters et al., Computational Materials Science 158:420478, 2019'
print*, 'https://doi.org/10.1016/j.commatsci.2018.04.030'
print'(/,a)', ' Version: '//DAMASKVERSION
print'(/,a)', ' Compiled with: '//compiler_version()
print'(a)', ' Compiler options: '//compiler_options()
print'(/,a)', ' Compiled on: '//__DATE__//' at '//__TIME__
call date_and_time(values = dateAndTime)
print'(/,a,2(i2.2,a),i4.4)', ' Date: ',dateAndTime(3),'/',dateAndTime(2),'/', dateAndTime(1)
print'(a,2(i2.2,a),i2.2)', ' Time: ',dateAndTime(5),':', dateAndTime(6),':', dateAndTime(7)
inquire(5, name=wd)
wd = wd(1:scan(wd,'/',back=.true.))
ierr = CHDIR(wd)
if (ierr /= 0) then
print*, 'working directory "'//trim(wd)//'" does not exist'
call quit(1)
endif
symmetricSolver = solverIsSymmetric()
end subroutine DAMASK_interface_init
!--------------------------------------------------------------------------------------------------
!> @brief solver job name (no extension) as combination of geometry and load case name
!--------------------------------------------------------------------------------------------------
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function getSolverJobName()
character(len=:), allocatable :: getSolverJobName
character(1024) :: inputName
character(len=*), parameter :: pathSep = achar(47)//achar(92) ! forward and backward slash
integer :: extPos
inquire(5, name=inputName) ! determine inputfile
extPos = len_trim(inputName)-4
getSolverJobName=inputName(scan(inputName,pathSep,back=.true.)+1:extPos)
end function getSolverJobName
!--------------------------------------------------------------------------------------------------
!> @brief determines whether a symmetric solver is used
!--------------------------------------------------------------------------------------------------
logical function solverIsSymmetric()
character(len=pStringLen) :: line
integer :: myStat,fileUnit,s,e
open(newunit=fileUnit, file=getSolverJobName()//INPUTFILEEXTENSION, &
status='old', position='rewind', action='read',iostat=myStat)
do
read (fileUnit,'(A)',END=100) line
if(index(trim(lc(line)),'solver') == 1) then
read (fileUnit,'(A)',END=100) line ! next line
s = verify(line, ' ') ! start of first chunk
s = s + verify(line(s+1:),' ') ! start of second chunk
e = s + scan (line(s+1:),' ') ! end of second chunk
solverIsSymmetric = line(s:e) /= '1'
endif
enddo
100 close(fileUnit)
contains
!--------------------------------------------------------------------------------------------------
!> @brief changes characters in string to lower case
!> @details copied from IO_lc
!--------------------------------------------------------------------------------------------------
function lc(string)
character(len=*), intent(in) :: string !< string to convert
character(len=len(string)) :: lc
character(26), parameter :: LOWER = 'abcdefghijklmnopqrstuvwxyz'
character(26), parameter :: UPPER = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
integer :: i,n
do i=1,len(string)
lc(i:i) = string(i:i)
n = index(UPPER,lc(i:i))
if (n/=0) lc(i:i) = LOWER(n:n)
enddo
end function lc
end function solverIsSymmetric
end module DAMASK_interface
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#include "commercialFEM_fileList.f90"
!--------------------------------------------------------------------------------------------------
!> @brief This is the MSC.Marc user subroutine for defining material behavior
!> @details (1) F,R,U are only available for continuum and membrane elements (not for
!> @details shells and beams).
!> @details
!> @details (2) Use the -> 'Plasticity,3' card(=update+finite+large disp+constant d)
!> @details in the parameter section of input deck (updated Lagrangian formulation).
!--------------------------------------------------------------------------------------------------
subroutine hypela2(d,g,e,de,s,t,dt,ngens,m,nn,kcus,matus,ndi,nshear,disp, &
dispt,coord,ffn,frotn,strechn,eigvn,ffn1,frotn1, &
strechn1,eigvn1,ncrd,itel,ndeg,ndm,nnode, &
jtype,lclass,ifr,ifu)
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use prec
use DAMASK_interface
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use config
use YAML_types
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use discretization_marc
use homogenization
use CPFEM
implicit none
include "omp_lib.h" ! the openMP function library
integer, intent(in) :: & ! according to MSC.Marc 2012 Manual D
ngens, & !< size of stress-strain law
nn, & !< integration point number
ndi, & !< number of direct components
nshear, & !< number of shear components
ncrd, & !< number of coordinates
itel, & !< dimension of F and R, either 2 or 3
ndeg, & !< number of degrees of freedom
ndm, & !< not specified in MSC.Marc 2012 Manual D
nnode, & !< number of nodes per element
jtype, & !< element type
ifr, & !< set to 1 if R has been calculated
ifu !< set to 1 if stretch has been calculated
integer, dimension(2), intent(in) :: & ! according to MSC.Marc 2012 Manual D
m, & !< (1) user element number, (2) internal element number
matus, & !< (1) user material identification number, (2) internal material identification number
kcus, & !< (1) layer number, (2) internal layer number
lclass !< (1) element class, (2) 0: displacement, 1: low order Herrmann, 2: high order Herrmann
real(pReal), dimension(*), intent(in) :: & ! has dimension(1) according to MSC.Marc 2012 Manual D, but according to example hypela2.f dimension(*)
e, & !< total elastic strain
de, & !< increment of strain
dt !< increment of state variables
real(pReal), dimension(itel), intent(in) :: & ! according to MSC.Marc 2012 Manual D
strechn, & !< square of principal stretch ratios, lambda(i) at t=n
strechn1 !< square of principal stretch ratios, lambda(i) at t=n+1
real(pReal), dimension(3,3), intent(in) :: & ! has dimension(itel,*) according to MSC.Marc 2012 Manual D, but we alway assume dimension(3,3)
ffn, & !< deformation gradient at t=n
ffn1 !< deformation gradient at t=n+1
real(pReal), dimension(itel,*), intent(in) :: & ! according to MSC.Marc 2012 Manual D
frotn, & !< rotation tensor at t=n
eigvn, & !< i principal direction components for j eigenvalues at t=n
frotn1, & !< rotation tensor at t=n+1
eigvn1 !< i principal direction components for j eigenvalues at t=n+1
real(pReal), dimension(ndeg,*), intent(in) :: & ! according to MSC.Marc 2012 Manual D
disp, & !< incremental displacements
dispt !< displacements at t=n (at assembly, lovl=4) and displacements at t=n+1 (at stress recovery, lovl=6)
real(pReal), dimension(ncrd,*), intent(in) :: & ! according to MSC.Marc 2012 Manual D
coord !< coordinates
real(pReal), dimension(*), intent(inout) :: & ! according to MSC.Marc 2012 Manual D
t !< state variables (comes in at t=n, must be updated to have state variables at t=n+1)
real(pReal), dimension(ndi+nshear), intent(out) :: & ! has dimension(*) according to MSC.Marc 2012 Manual D, but we need to loop over it
s, & !< stress - should be updated by user
g !< change in stress due to temperature effects
real(pReal), dimension(ngens,ngens), intent(out) :: & ! according to MSC.Marc 2012 Manual D, but according to example hypela2.f dimension(ngens,*)
d !< stress-strain law to be formed
!--------------------------------------------------------------------------------------------------
! Marc common blocks are in fixed format so they have to be reformated to free format (f90)
! Beware of changes in newer Marc versions
#include QUOTE(PASTE(./Marc/include/concom,MARC4DAMASK)) ! concom is needed for inc, lovl
#include QUOTE(PASTE(./Marc/include/creeps,MARC4DAMASK)) ! creeps is needed for timinc (time increment)
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logical :: cutBack
real(pReal), dimension(6) :: stress
real(pReal), dimension(6,6) :: ddsdde
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integer :: computationMode, i, node, CPnodeID
integer(pI32) :: defaultNumThreadsInt !< default value set by Marc
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integer, save :: &
theInc = -1, & !< needs description
lastLovl = 0 !< lovl in previous call to marc hypela2
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real(pReal), save :: &
theTime = 0.0_pReal, & !< needs description
theDelta = 0.0_pReal
logical, save :: &
lastIncConverged = .false., & !< needs description
outdatedByNewInc = .false., & !< needs description
CPFEM_init_done = .false., & !< remember whether init has been done already
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debug_basic = .true.
class(tNode), pointer :: &
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debug_Marc ! pointer to Marc debug options
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if(debug_basic) then
print'(a,/,i8,i8,i2)', ' MSC.Marc information on shape of element(2), IP:', m, nn
print'(a,2(i1))', ' Jacobian: ', ngens,ngens
print'(a,i1)', ' Direct stress: ', ndi
print'(a,i1)', ' Shear stress: ', nshear
print'(a,i2)', ' DoF: ', ndeg
print'(a,i2)', ' Coordinates: ', ncrd
print'(a,i12)', ' Nodes: ', nnode
print'(a,i1)', ' Deformation gradient: ', itel
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write(6,'(/,a,/,3(3(f12.7,1x)/))',advance='no') ' Deformation gradient at t=n:', &
transpose(ffn)
write(6,'(/,a,/,3(3(f12.7,1x)/))',advance='no') ' Deformation gradient at t=n+1:', &
transpose(ffn1)
endif
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defaultNumThreadsInt = omp_get_num_threads() ! remember number of threads set by Marc
call omp_set_num_threads(1_pI32) ! no openMP
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if (.not. CPFEM_init_done) then
CPFEM_init_done = .true.
call CPFEM_initAll
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debug_Marc => config_debug%get('Marc',defaultVal=emptyList)
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debug_basic = debug_Marc%contains('basic')
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endif
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computationMode = 0 ! save initialization value, since it does not result in any calculation
if (lovl == 4 ) then ! jacobian requested by marc
if (timinc < theDelta .and. theInc == inc .and. lastLovl /= lovl) & ! first after cutback
computationMode = CPFEM_RESTOREJACOBIAN
elseif (lovl == 6) then ! stress requested by marc
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computationMode = CPFEM_CALCRESULTS
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if (cptim > theTime .or. inc /= theInc) then ! reached "convergence"
terminallyIll = .false.
cycleCounter = -1 ! first calc step increments this to cycle = 0
if (inc == 0) then ! >> start of analysis <<
lastIncConverged = .false.
outdatedByNewInc = .false.
lastLovl = lovl ! pretend that this is NOT the first after a lovl change
print'(a,i6,1x,i2)', '<< HYPELA2 >> start of analysis..! ',m(1),nn
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else if (inc - theInc > 1) then ! >> restart of broken analysis <<
lastIncConverged = .false.
outdatedByNewInc = .false.
print'(a,i6,1x,i2)', '<< HYPELA2 >> restart of analysis..! ',m(1),nn
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else ! >> just the next inc <<
lastIncConverged = .true.
outdatedByNewInc = .true.
print'(a,i6,1x,i2)', '<< HYPELA2 >> new increment..! ',m(1),nn
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endif
else if ( timinc < theDelta ) then ! >> cutBack <<
lastIncConverged = .false.
outdatedByNewInc = .false.
terminallyIll = .false.
cycleCounter = -1 ! first calc step increments this to cycle = 0
print'(a,i6,1x,i2)', '<< HYPELA2 >> cutback detected..! ',m(1),nn
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endif ! convergence treatment end
flush(6)
if (lastLovl /= lovl) then
cycleCounter = cycleCounter + 1
!mesh_cellnode = mesh_build_cellnodes() ! update cell node coordinates
!call mesh_build_ipCoordinates() ! update ip coordinates
endif
if (outdatedByNewInc) then
computationMode = ior(computationMode,CPFEM_AGERESULTS)
outdatedByNewInc = .false.
endif
if (lastIncConverged) then
computationMode = ior(computationMode,CPFEM_BACKUPJACOBIAN)
lastIncConverged = .false.
endif
theTime = cptim
theDelta = timinc
theInc = inc
endif
lastLovl = lovl
call CPFEM_general(computationMode,ffn,ffn1,t(1),timinc,m(1),nn,stress,ddsdde)
d = ddsdde(1:ngens,1:ngens)
s = stress(1:ndi+nshear)
g = 0.0_pReal
if(symmetricSolver) d = 0.5_pReal*(d+transpose(d))
call omp_set_num_threads(defaultNumThreadsInt) ! reset number of threads to stored default value
end subroutine hypela2
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!--------------------------------------------------------------------------------------------------
!> @brief calculate internal heat generated due to inelastic energy dissipation
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!--------------------------------------------------------------------------------------------------
subroutine flux(f,ts,n,time)
use prec
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use homogenization
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use discretization_marc
implicit none
real(pReal), dimension(6), intent(in) :: &
ts
integer, dimension(10), intent(in) :: &
n
real(pReal), intent(in) :: &
time
real(pReal), dimension(2), intent(out) :: &
f
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f(1) = homogenization_f_T(discretization_Marc_FEM2DAMASK_cell(n(3),n(1)))
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f(2) = 0.0_pReal
end subroutine flux
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!--------------------------------------------------------------------------------------------------
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!> @brief trigger writing of results
!> @details uedinc is called before each new increment, not at the end of a converged one.
!> Therefore, storing the last written inc with an 'save' variable is required to avoid writing the
! same increment multiple times.
!--------------------------------------------------------------------------------------------------
subroutine uedinc(inc,incsub)
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use prec
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use CPFEM
use discretization_marc
implicit none
integer, intent(in) :: inc, incsub
integer :: n, nqncomp, nqdatatype
integer, save :: inc_written
real(pReal), allocatable, dimension(:,:) :: d_n
#include QUOTE(PASTE(./Marc/include/creeps,MARC4DAMASK)) ! creeps is needed for timinc (time increment)
if (inc > inc_written) then
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allocate(d_n(3,count(discretization_Marc_FEM2DAMASK_node /= -1)))
do n = lbound(discretization_Marc_FEM2DAMASK_node,1), ubound(discretization_Marc_FEM2DAMASK_node,1)
if (discretization_Marc_FEM2DAMASK_node(n) /= -1) then
call nodvar(1,n,d_n(1:3,discretization_Marc_FEM2DAMASK_node(n)),nqncomp,nqdatatype)
if(nqncomp == 2) d_n(3,discretization_Marc_FEM2DAMASK_node(n)) = 0.0_pReal
endif
enddo
call discretization_marc_UpdateNodeAndIpCoords(d_n)
call CPFEM_results(inc,cptim)
inc_written = inc
endif
end subroutine uedinc