DAMASK_EICMD/src/DAMASK_abaqus_std.f

341 lines
18 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
!> @author Franz Roters, Max-Planck-Institut für Eisenforschung GmbH
!> @author Koen Janssens, Paul Scherrer Institut
!> @author Arun Prakash, Fraunhofer IWM
!> @brief interfaces DAMASK with Abaqus/Standard
!> @details put the included file abaqus_v6.env in either your home or model directory,
!> it is a minimum Abaqus environment file containing all changes necessary to use the
!> DAMASK subroutine (see Abaqus documentation for more information on the use of abaqus_v6.env)
!--------------------------------------------------------------------------------------------------
#ifndef INT
#define INT 4
#endif
#ifndef FLOAT
#define FLOAT 8
#endif
#define Abaqus
#include "prec.f90"
module DAMASK_interface
implicit none
character(len=4), dimension(2), parameter :: INPUTFILEEXTENSION = ['.pes','.inp']
character(len=4), parameter :: LOGFILEEXTENSION = '.log'
contains
!--------------------------------------------------------------------------------------------------
!> @brief just reporting
!--------------------------------------------------------------------------------------------------
subroutine DAMASK_interface_init
integer, dimension(8) :: &
dateAndTime ! type default integer
call date_and_time(values = dateAndTime)
write(6,'(/,a)') ' <<<+- DAMASK_abaqus_std -+>>>'
write(6,'(/,a)') ' Roters et al., Computational Materials Science, 2018'
write(6,'(/,a)') ' Version: '//DAMASKVERSION
write(6,'(a,2(i2.2,a),i4.4)') ' Date: ',dateAndTime(3),'/',&
dateAndTime(2),'/',&
dateAndTime(1)
write(6,'(a,2(i2.2,a),i2.2)') ' Time: ',dateAndTime(5),':',&
dateAndTime(6),':',&
dateAndTime(7)
write(6,'(/,a)') ' <<<+- DAMASK_interface init -+>>>'
#include "compilation_info.f90"
end subroutine DAMASK_interface_init
!--------------------------------------------------------------------------------------------------
!> @brief using Abaqus/Standard function to get working directory name
!--------------------------------------------------------------------------------------------------
character(1024) function getSolverWorkingDirectoryName()
implicit none
integer :: lenOutDir
getSolverWorkingDirectoryName=''
call getoutdir(getSolverWorkingDirectoryName, lenOutDir)
getSolverWorkingDirectoryName=trim(getSolverWorkingDirectoryName)//'/'
end function getSolverWorkingDirectoryName
!--------------------------------------------------------------------------------------------------
!> @brief using Abaqus/Standard function to get solver job name
!--------------------------------------------------------------------------------------------------
character(1024) function getSolverJobName()
implicit none
integer :: lenJobName
getSolverJobName=''
call getJobName(getSolverJobName, lenJobName)
end function getSolverJobName
end module DAMASK_interface
#include "commercialFEM_fileList.f90"
subroutine UMAT(STRESS,STATEV,DDSDDE,SSE,SPD,SCD,&
RPL,DDSDDT,DRPLDE,DRPLDT,STRAN,DSTRAN,&
TIME,DTIME,TEMP,DTEMP,PREDEF,DPRED,CMNAME,NDI,NSHR,NTENS,&
NSTATV,PROPS,NPROPS,COORDS,DROT,PNEWDT,CELENT,&
DFGRD0,DFGRD1,NOEL,NPT,KSLAY,KSPT,KSTEP,KINC)
use prec, only: &
pReal, &
pInt
use numerics, only: &
!$ DAMASK_NumThreadsInt, &
usePingPong
use FEsolving, only: &
calcMode, &
terminallyIll, &
symmetricSolver
use math, only: &
invnrmMandel
use debug, only: &
debug_info, &
debug_reset, &
debug_levelBasic, &
debug_level, &
debug_abaqus
use mesh, only: &
mesh_unitlength, &
mesh_FEasCP, &
mesh_ipCoordinates
use CPFEM, only: &
CPFEM_general, &
CPFEM_init_done, &
CPFEM_initAll, &
CPFEM_CALCRESULTS, &
CPFEM_AGERESULTS, &
CPFEM_COLLECT, &
CPFEM_BACKUPJACOBIAN, &
cycleCounter, &
theInc, &
theTime, &
theDelta, &
lastIncConverged, &
outdatedByNewInc, &
outdatedFFN1, &
lastStep
use homogenization, only: &
materialpoint_sizeResults, &
materialpoint_results
implicit none
integer(pInt), intent(in) :: &
nDi, & !< Number of direct stress components at this point
nShr, & !< Number of engineering shear stress components at this point
nTens, & !< Size of the stress or strain component array (NDI + NSHR)
nStatV, & !< Number of solution-dependent state variables
nProps, & !< User-defined number of material constants
noEl, & !< element number
nPt,& !< integration point number
kSlay, & !< layer number (shell elements etc.)
kSpt, & !< section point within the current layer
kStep, & !< step number
kInc !< increment number
character(len=80), intent(in) :: &
cmname !< uses-specified material name, left justified
real(pReal), intent(in) :: &
DTIME, &
TEMP, &
DTEMP, &
CELENT
real(pReal), dimension(1), intent(in) :: &
PREDEF, &
DPRED
real(pReal), dimension(2), intent(in) :: &
TIME !< step time/total time at beginning of the current increment
real(pReal), dimension(3), intent(in) :: &
COORDS
real(pReal), dimension(nTens), intent(in) :: &
STRAN, & !< total strains at beginning of the increment
DSTRAN !< strain increments
real(pReal), dimension(nProps), intent(in) :: &
PROPS
real(pReal), dimension(3,3), intent(in) :: &
DROT, & !< rotation increment matrix
DFGRD0, & !< F at beginning of increment
DFGRD1 !< F at end of increment
real(pReal), intent(inout) :: &
PNEWDT, & !< ratio of suggested new time increment
SSE, & !< specific elastic strain engergy
SPD, & !< specific plastic dissipation
SCD, & !< specific creep dissipation
RPL, & !< volumetric heat generation per unit time at the end of the increment
DRPLDT !< varation of RPL with respect to the temperature
real(pReal), dimension(nTens), intent(inout) :: &
STRESS !< stress tensor at the beginning of the increment, needs to be updated
real(pReal), dimension(nStatV), intent(inout) :: &
STATEV !< solution-dependent state variables
real(pReal), dimension(nTens), intent(out) :: &
DDSDDT, &
DRPLDE
real(pReal), dimension(nTens,nTens), intent(out) :: &
DDSDDE !< Jacobian matrix of the constitutive model
real(pReal) :: temperature ! temp by Abaqus is intent(in)
real(pReal), dimension(6) :: stress_h
real(pReal), dimension(6,6) :: ddsdde_h
integer(pInt) :: computationMode, i, cp_en
logical :: cutBack
#ifdef _OPENMP
integer :: defaultNumThreadsInt !< default value set by Abaqus
include "omp_lib.h"
defaultNumThreadsInt = omp_get_num_threads() ! remember number of threads set by Marc
call omp_set_num_threads(DAMASK_NumThreadsInt) ! set number of threads for parallel execution set by DAMASK_NUM_THREADS
#endif
temperature = temp ! temp is intent(in)
DDSDDT = 0.0_pReal
DRPLDE = 0.0_pReal
if (iand(debug_level(debug_abaqus),debug_levelBasic) /= 0 .and. noel == 1 .and. npt == 1) then
write(6,*) 'el',noel,'ip',npt
write(6,*) 'got kInc as',kInc
write(6,*) 'got dStran',dStran
flush(6)
endif
if (.not. CPFEM_init_done) call CPFEM_initAll(noel,npt)
computationMode = 0
cp_en = mesh_FEasCP('elem',noel)
if (time(2) > theTime .or. kInc /= theInc) then ! reached convergence
terminallyIll = .false.
cycleCounter = -1 ! first calc step increments this to cycle = 0
if (kInc == 1) then ! >> start of analysis <<
lastIncConverged = .false. ! no Jacobian backup
outdatedByNewInc = .false. ! no aging of state
calcMode = .false. ! pretend last step was collection
write (6,'(i8,1x,i2,1x,a)') noel,npt,'<< UMAT >> start of analysis..!';flush(6)
else if (kInc - theInc > 1) then ! >> restart of broken analysis <<
lastIncConverged = .false. ! no Jacobian backup
outdatedByNewInc = .false. ! no aging of state
calcMode = .true. ! pretend last step was calculation
write (6,'(i8,1x,i2,1x,a)') noel,npt,'<< UMAT >> restart of analysis..!';flush(6)
else ! >> just the next inc <<
lastIncConverged = .true. ! request Jacobian backup
outdatedByNewInc = .true. ! request aging of state
calcMode = .true. ! assure last step was calculation
write (6,'(i8,1x,i2,1x,a)') noel,npt,'<< UMAT >> new increment..!';flush(6)
endif
else if ( dtime < theDelta ) then ! >> cutBack <<
lastIncConverged = .false. ! no Jacobian backup
outdatedByNewInc = .false. ! no aging of state
terminallyIll = .false.
cycleCounter = -1 ! first calc step increments this to cycle = 0
calcMode = .true. ! pretend last step was calculation
write(6,'(i8,1x,i2,1x,a)') noel,npt,'<< UMAT >> cutback detected..!';flush(6)
endif ! convergence treatment end
if (usePingPong) then
calcMode(npt,cp_en) = .not. calcMode(npt,cp_en) ! ping pong (calc <--> collect)
if (calcMode(npt,cp_en)) then ! now --- CALC ---
computationMode = CPFEM_CALCRESULTS
if ( lastStep /= kStep ) then ! first after ping pong
call debug_reset() ! resets debugging
outdatedFFN1 = .false.
cycleCounter = cycleCounter + 1_pInt
endif
if(outdatedByNewInc) then
computationMode = ior(computationMode,CPFEM_AGERESULTS) ! calc and age results
outdatedByNewInc = .false. ! reset flag
endif
else ! now --- COLLECT ---
computationMode = CPFEM_COLLECT ! plain collect
if(lastStep /= kStep .and. .not. terminallyIll) &
call debug_info() ! first after ping pong reports (meaningful) debugging
if (lastIncConverged) then
computationMode = ior(computationMode,CPFEM_BACKUPJACOBIAN) ! collect and backup Jacobian after convergence
lastIncConverged = .false. ! reset flag
endif
mesh_ipCoordinates(1:3,npt,cp_en) = mesh_unitlength * COORDS
endif
else ! --- PLAIN MODE ---
computationMode = CPFEM_CALCRESULTS ! always calc
if (lastStep /= kStep) then
if (.not. terminallyIll) &
call debug_info() ! first reports (meaningful) debugging
call debug_reset() ! and resets debugging
outdatedFFN1 = .false.
cycleCounter = cycleCounter + 1_pInt
endif
if (outdatedByNewInc) then
computationMode = ior(computationMode,CPFEM_AGERESULTS)
outdatedByNewInc = .false. ! reset flag
endif
if (lastIncConverged) then
computationMode = ior(computationMode,CPFEM_BACKUPJACOBIAN) ! backup Jacobian after convergence
lastIncConverged = .false. ! reset flag
endif
endif
theTime = time(2) ! record current starting time
theDelta = dtime ! record current time increment
theInc = kInc ! record current increment number
lastStep = kStep ! record step number
if (iand(debug_level(debug_abaqus),debug_levelBasic) /= 0) then
write(6,'(a16,1x,i2,1x,a,i8,a,i8,1x,i5,a)') 'computationMode',computationMode,'(',cp_en,':',noel,npt,')'
flush(6)
endif
call CPFEM_general(computationMode,usePingPong,dfgrd0,dfgrd1,temperature,dtime,noel,npt,stress_h,ddsdde_h)
! Mandel: 11, 22, 33, SQRT(2)*12, SQRT(2)*23, SQRT(2)*13
! straight: 11, 22, 33, 12, 23, 13
! ABAQUS explicit: 11, 22, 33, 12, 23, 13
! ABAQUS implicit: 11, 22, 33, 12, 13, 23
! ABAQUS implicit: 11, 22, 33, 12
forall(i=1:ntens) ddsdde(1:ntens,i) = invnrmMandel(i)*ddsdde_h(1:ntens,i)*invnrmMandel(1:ntens)
stress(1:ntens) = stress_h(1:ntens)*invnrmMandel(1:ntens)
if(symmetricSolver) ddsdde(1:ntens,1:ntens) = 0.5_pReal*(ddsdde(1:ntens,1:ntens) + transpose(ddsdde(1:ntens,1:ntens)))
if(ntens == 6) then
stress_h = stress
stress(5) = stress_h(6)
stress(6) = stress_h(5)
ddsdde_h = ddsdde
ddsdde(:,5) = ddsdde_h(:,6)
ddsdde(:,6) = ddsdde_h(:,5)
ddsdde_h = ddsdde
ddsdde(5,:) = ddsdde_h(6,:)
ddsdde(6,:) = ddsdde_h(5,:)
end if
statev = materialpoint_results(1:min(nstatv,materialpoint_sizeResults),npt,mesh_FEasCP('elem', noel))
if ( terminallyIll ) pnewdt = 0.5_pReal ! force cutback directly ?
!$ call omp_set_num_threads(defaultNumThreadsInt) ! reset number of threads to stored default value
end subroutine UMAT
!--------------------------------------------------------------------------------------------------
!> @brief calls the exit function of Abaqus/Standard
!--------------------------------------------------------------------------------------------------
subroutine quit(mpie_error)
use prec, only: &
pInt
implicit none
integer(pInt) :: mpie_error
flush(6)
call xit
end subroutine quit