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