643 lines
37 KiB
Fortran
643 lines
37 KiB
Fortran
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!--------------------------------------------------------------------------------------------------
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief Driver controlling inner and outer load case looping of the various spectral solvers
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!> @details doing cutbacking, forwarding in case of restart, reporting statistics, writing
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!> results
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!--------------------------------------------------------------------------------------------------
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program DAMASK_spectral
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#include <petsc/finclude/petscsys.h>
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use PETScsys
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use prec, only: &
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pInt, &
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pLongInt, &
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pReal, &
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tol_math_check, &
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dNeq
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use DAMASK_interface, only: &
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DAMASK_interface_init, &
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loadCaseFile, &
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geometryFile, &
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getSolverJobName, &
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interface_restartInc
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use IO, only: &
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IO_isBlank, &
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IO_stringPos, &
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IO_stringValue, &
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IO_floatValue, &
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IO_intValue, &
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IO_error, &
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IO_lc, &
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IO_intOut, &
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IO_warning
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use config, only: &
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config_numerics
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use debug, only: &
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debug_level, &
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debug_spectral, &
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debug_levelBasic
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use math ! need to include the whole module for FFTW
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use mesh, only: &
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grid, &
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geomSize
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use CPFEM2, only: &
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CPFEM_initAll, &
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CPFEM_results
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use FEsolving, only: &
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restartWrite, &
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restartInc
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use numerics, only: &
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worldrank, &
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worldsize, &
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stagItMax, &
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maxCutBack, &
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continueCalculation
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use homogenization, only: &
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materialpoint_sizeResults, &
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materialpoint_results, &
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materialpoint_postResults
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use material, only: &
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thermal_type, &
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damage_type, &
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THERMAL_conduction_ID, &
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DAMAGE_nonlocal_ID
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use spectral_utilities, only: &
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utilities_init, &
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tSolutionState, &
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tLoadCase, &
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cutBack, &
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nActiveFields, &
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FIELD_UNDEFINED_ID, &
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FIELD_MECH_ID, &
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FIELD_THERMAL_ID, &
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FIELD_DAMAGE_ID
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use grid_mech_spectral_basic
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use grid_mech_spectral_polarisation
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use grid_mech_FEM
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use grid_damage_spectral
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use grid_thermal_spectral
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use results
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implicit none
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!--------------------------------------------------------------------------------------------------
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! variables related to information from load case and geom file
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real(pReal), dimension(9) :: temp_valueVector = 0.0_pReal !< temporarily from loadcase file when reading in tensors (initialize to 0.0)
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logical, dimension(9) :: temp_maskVector = .false. !< temporarily from loadcase file when reading in tensors
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integer(pInt), allocatable, dimension(:) :: chunkPos
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integer(pInt) :: &
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N_t = 0_pInt, & !< # of time indicators found in load case file
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N_n = 0_pInt, & !< # of increment specifiers found in load case file
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N_def = 0_pInt !< # of rate of deformation specifiers found in load case file
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character(len=65536) :: &
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line
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!--------------------------------------------------------------------------------------------------
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! loop variables, convergence etc.
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real(pReal), dimension(3,3), parameter :: &
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ones = 1.0_pReal, &
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zeros = 0.0_pReal
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integer(pInt), parameter :: &
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subStepFactor = 2_pInt !< for each substep, divide the last time increment by 2.0
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real(pReal) :: &
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time = 0.0_pReal, & !< elapsed time
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time0 = 0.0_pReal, & !< begin of interval
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timeinc = 1.0_pReal, & !< current time interval
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timeIncOld = 0.0_pReal, & !< previous time interval
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remainingLoadCaseTime = 0.0_pReal !< remaining time of current load case
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logical :: &
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guess, & !< guess along former trajectory
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stagIterate
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integer(pInt) :: &
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i, j, k, l, field, &
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errorID = 0_pInt, &
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cutBackLevel = 0_pInt, & !< cut back level \f$ t = \frac{t_{inc}}{2^l} \f$
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stepFraction = 0_pInt !< fraction of current time interval
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integer(pInt) :: &
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currentLoadcase = 0_pInt, & !< current load case
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inc, & !< current increment in current load case
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totalIncsCounter = 0_pInt, & !< total # of increments
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convergedCounter = 0_pInt, & !< # of converged increments
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notConvergedCounter = 0_pInt, & !< # of non-converged increments
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fileUnit = 0_pInt, & !< file unit for reading load case and writing results
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myStat, &
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statUnit = 0_pInt, & !< file unit for statistics output
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lastRestartWritten = 0_pInt, & !< total increment # at which last restart information was written
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stagIter
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character(len=6) :: loadcase_string
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character(len=1024) :: &
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incInfo
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type(tLoadCase), allocatable, dimension(:) :: loadCases !< array of all load cases
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type(tLoadCase) :: newLoadCase
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type(tSolutionState), allocatable, dimension(:) :: solres
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integer(MPI_OFFSET_KIND) :: fileOffset
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integer(MPI_OFFSET_KIND), dimension(:), allocatable :: outputSize
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integer(pInt), parameter :: maxByteOut = 2147483647-4096 !< limit of one file output write https://trac.mpich.org/projects/mpich/ticket/1742
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integer(pInt), parameter :: maxRealOut = maxByteOut/pReal
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integer(pLongInt), dimension(2) :: outputIndex
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PetscErrorCode :: ierr
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procedure(grid_mech_spectral_basic_init), pointer :: &
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mech_init
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procedure(grid_mech_spectral_basic_forward), pointer :: &
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mech_forward
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procedure(grid_mech_spectral_basic_solution), pointer :: &
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mech_solution
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external :: &
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quit
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!--------------------------------------------------------------------------------------------------
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! init DAMASK (all modules)
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call CPFEM_initAll
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write(6,'(/,a)') ' <<<+- DAMASK_spectral init -+>>>'
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write(6,'(/,a)') ' Shanthraj et al., Handbook of Mechanics of Materials, 2019'
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write(6,'(a)') ' https://doi.org/10.1007/978-981-10-6855-3_80'
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call results_openJobFile()
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call results_closeJobFile()
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!--------------------------------------------------------------------------------------------------
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! initialize field solver information
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nActiveFields = 1
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if (any(thermal_type == THERMAL_conduction_ID )) nActiveFields = nActiveFields + 1
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if (any(damage_type == DAMAGE_nonlocal_ID )) nActiveFields = nActiveFields + 1
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allocate(solres(nActiveFields))
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allocate(newLoadCase%ID(nActiveFields))
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!--------------------------------------------------------------------------------------------------
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! assign mechanics solver depending on selected type
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select case (trim(config_numerics%getString('spectral_solver',defaultVal='basic')))
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case ('basic')
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mech_init => grid_mech_spectral_basic_init
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mech_forward => grid_mech_spectral_basic_forward
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mech_solution => grid_mech_spectral_basic_solution
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case ('polarisation')
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if(iand(debug_level(debug_spectral),debug_levelBasic)/= 0) &
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call IO_warning(42_pInt, ext_msg='debug Divergence')
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mech_init => grid_mech_spectral_polarisation_init
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mech_forward => grid_mech_spectral_polarisation_forward
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mech_solution => grid_mech_spectral_polarisation_solution
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case ('fem')
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if(iand(debug_level(debug_spectral),debug_levelBasic)/= 0) &
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call IO_warning(42_pInt, ext_msg='debug Divergence')
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mech_init => grid_mech_FEM_init
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mech_forward => grid_mech_FEM_forward
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mech_solution => grid_mech_FEM_solution
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case default
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call IO_error(error_ID = 891_pInt, ext_msg = config_numerics%getString('spectral_solver'))
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end select
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!--------------------------------------------------------------------------------------------------
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! reading information from load case file and to sanity checks
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allocate (loadCases(0)) ! array of load cases
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open(newunit=fileunit,iostat=myStat,file=trim(loadCaseFile),action='read')
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if (myStat /= 0_pInt) call IO_error(100_pInt,el=myStat,ext_msg=trim(loadCaseFile))
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do
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read(fileUnit, '(A)', iostat=myStat) line
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if ( myStat /= 0_pInt) exit
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if (IO_isBlank(line)) cycle ! skip empty lines
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currentLoadCase = currentLoadCase + 1_pInt
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chunkPos = IO_stringPos(line)
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do i = 1_pInt, chunkPos(1) ! reading compulsory parameters for loadcase
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select case (IO_lc(IO_stringValue(line,chunkPos,i)))
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case('l','velocitygrad','velgrad','velocitygradient','fdot','dotf','f')
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N_def = N_def + 1_pInt
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case('t','time','delta')
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N_t = N_t + 1_pInt
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case('n','incs','increments','steps','logincs','logincrements','logsteps')
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N_n = N_n + 1_pInt
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end select
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enddo
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if ((N_def /= N_n) .or. (N_n /= N_t) .or. N_n < 1_pInt) & ! sanity check
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call IO_error(error_ID=837_pInt,el=currentLoadCase,ext_msg = trim(loadCaseFile)) ! error message for incomplete loadcase
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newLoadCase%stress%myType='stress'
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field = 1
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newLoadCase%ID(field) = FIELD_MECH_ID ! mechanical active by default
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thermalActive: if (any(thermal_type == THERMAL_conduction_ID)) then
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field = field + 1
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newLoadCase%ID(field) = FIELD_THERMAL_ID
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endif thermalActive
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damageActive: if (any(damage_type == DAMAGE_nonlocal_ID)) then
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field = field + 1
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newLoadCase%ID(field) = FIELD_DAMAGE_ID
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endif damageActive
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readIn: do i = 1_pInt, chunkPos(1)
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select case (IO_lc(IO_stringValue(line,chunkPos,i)))
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case('fdot','dotf','l','velocitygrad','velgrad','velocitygradient','f') ! assign values for the deformation BC matrix
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temp_valueVector = 0.0_pReal
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if (IO_lc(IO_stringValue(line,chunkPos,i)) == 'fdot'.or. & ! in case of Fdot, set type to fdot
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IO_lc(IO_stringValue(line,chunkPos,i)) == 'dotf') then
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newLoadCase%deformation%myType = 'fdot'
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else if (IO_lc(IO_stringValue(line,chunkPos,i)) == 'f') then
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newLoadCase%deformation%myType = 'f'
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else
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newLoadCase%deformation%myType = 'l'
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endif
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do j = 1_pInt, 9_pInt
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temp_maskVector(j) = IO_stringValue(line,chunkPos,i+j) /= '*' ! true if not a *
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if (temp_maskVector(j)) temp_valueVector(j) = IO_floatValue(line,chunkPos,i+j) ! read value where applicable
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enddo
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newLoadCase%deformation%maskLogical = transpose(reshape(temp_maskVector,[ 3,3])) ! logical mask in 3x3 notation
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newLoadCase%deformation%maskFloat = merge(ones,zeros,newLoadCase%deformation%maskLogical)! float (1.0/0.0) mask in 3x3 notation
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newLoadCase%deformation%values = math_9to33(temp_valueVector) ! values in 3x3 notation
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case('p','pk1','piolakirchhoff','stress', 's')
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temp_valueVector = 0.0_pReal
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do j = 1_pInt, 9_pInt
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temp_maskVector(j) = IO_stringValue(line,chunkPos,i+j) /= '*' ! true if not an asterisk
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if (temp_maskVector(j)) temp_valueVector(j) = IO_floatValue(line,chunkPos,i+j) ! read value where applicable
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enddo
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newLoadCase%stress%maskLogical = transpose(reshape(temp_maskVector,[ 3,3]))
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newLoadCase%stress%maskFloat = merge(ones,zeros,newLoadCase%stress%maskLogical)
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newLoadCase%stress%values = math_9to33(temp_valueVector)
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case('t','time','delta') ! increment time
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newLoadCase%time = IO_floatValue(line,chunkPos,i+1_pInt)
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case('n','incs','increments','steps') ! number of increments
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newLoadCase%incs = IO_intValue(line,chunkPos,i+1_pInt)
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case('logincs','logincrements','logsteps') ! number of increments (switch to log time scaling)
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newLoadCase%incs = IO_intValue(line,chunkPos,i+1_pInt)
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newLoadCase%logscale = 1_pInt
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case('freq','frequency','outputfreq') ! frequency of result writings
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newLoadCase%outputfrequency = IO_intValue(line,chunkPos,i+1_pInt)
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case('r','restart','restartwrite') ! frequency of writing restart information
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newLoadCase%restartfrequency = &
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max(0_pInt,IO_intValue(line,chunkPos,i+1_pInt))
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case('guessreset','dropguessing')
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newLoadCase%followFormerTrajectory = .false. ! do not continue to predict deformation along former trajectory
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case('euler') ! rotation of load case given in euler angles
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temp_valueVector = 0.0_pReal
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l = 1_pInt ! assuming values given in degrees
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k = 1_pInt ! assuming keyword indicating degree/radians present
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select case (IO_lc(IO_stringValue(line,chunkPos,i+1_pInt)))
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case('deg','degree')
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case('rad','radian') ! don't convert from degree to radian
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l = 0_pInt
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case default
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k = 0_pInt
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end select
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do j = 1_pInt, 3_pInt
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temp_valueVector(j) = IO_floatValue(line,chunkPos,i+k+j)
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enddo
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if (l == 1_pInt) temp_valueVector(1:3) = temp_valueVector(1:3) * inRad ! convert to rad
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newLoadCase%rotation = math_EulerToR(temp_valueVector(1:3)) ! convert rad Eulers to rotation matrix
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case('rotation','rot') ! assign values for the rotation matrix
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temp_valueVector = 0.0_pReal
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do j = 1_pInt, 9_pInt
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temp_valueVector(j) = IO_floatValue(line,chunkPos,i+j)
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enddo
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newLoadCase%rotation = math_9to33(temp_valueVector)
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end select
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enddo readIn
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newLoadCase%followFormerTrajectory = merge(.true.,.false.,currentLoadCase > 1_pInt) ! by default, guess from previous load case
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reportAndCheck: if (worldrank == 0) then
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write (loadcase_string, '(i6)' ) currentLoadCase
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write(6,'(1x,a,i6)') 'load case: ', currentLoadCase
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if (.not. newLoadCase%followFormerTrajectory) write(6,'(2x,a)') 'drop guessing along trajectory'
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if (newLoadCase%deformation%myType == 'l') then
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do j = 1_pInt, 3_pInt
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if (any(newLoadCase%deformation%maskLogical(j,1:3) .eqv. .true.) .and. &
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any(newLoadCase%deformation%maskLogical(j,1:3) .eqv. .false.)) errorID = 832_pInt ! each row should be either fully or not at all defined
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enddo
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write(6,'(2x,a)') 'velocity gradient:'
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else if (newLoadCase%deformation%myType == 'f') then
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write(6,'(2x,a)') 'deformation gradient at end of load case:'
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else
|
||
|
|
write(6,'(2x,a)') 'deformation gradient rate:'
|
||
|
|
endif
|
||
|
|
do i = 1_pInt, 3_pInt; do j = 1_pInt, 3_pInt
|
||
|
|
if(newLoadCase%deformation%maskLogical(i,j)) then
|
||
|
|
write(6,'(2x,f12.7)',advance='no') newLoadCase%deformation%values(i,j)
|
||
|
|
else
|
||
|
|
write(6,'(2x,12a)',advance='no') ' * '
|
||
|
|
endif
|
||
|
|
enddo; write(6,'(/)',advance='no')
|
||
|
|
enddo
|
||
|
|
if (any(newLoadCase%stress%maskLogical .eqv. &
|
||
|
|
newLoadCase%deformation%maskLogical)) errorID = 831_pInt ! exclusive or masking only
|
||
|
|
if (any(newLoadCase%stress%maskLogical .and. &
|
||
|
|
transpose(newLoadCase%stress%maskLogical) .and. &
|
||
|
|
reshape([ .false.,.true.,.true.,.true.,.false.,.true.,.true.,.true.,.false.],[ 3,3]))) &
|
||
|
|
errorID = 838_pInt ! no rotation is allowed by stress BC
|
||
|
|
write(6,'(2x,a)') 'stress / GPa:'
|
||
|
|
do i = 1_pInt, 3_pInt; do j = 1_pInt, 3_pInt
|
||
|
|
if(newLoadCase%stress%maskLogical(i,j)) then
|
||
|
|
write(6,'(2x,f12.7)',advance='no') newLoadCase%stress%values(i,j)*1e-9_pReal
|
||
|
|
else
|
||
|
|
write(6,'(2x,12a)',advance='no') ' * '
|
||
|
|
endif
|
||
|
|
enddo; write(6,'(/)',advance='no')
|
||
|
|
enddo
|
||
|
|
if (any(abs(matmul(newLoadCase%rotation, &
|
||
|
|
transpose(newLoadCase%rotation))-math_I3) > &
|
||
|
|
reshape(spread(tol_math_check,1,9),[ 3,3]))&
|
||
|
|
.or. abs(math_det33(newLoadCase%rotation)) > &
|
||
|
|
1.0_pReal + tol_math_check) errorID = 846_pInt ! given rotation matrix contains strain
|
||
|
|
if (any(dNeq(newLoadCase%rotation, math_I3))) &
|
||
|
|
write(6,'(2x,a,/,3(3(3x,f12.7,1x)/))',advance='no') 'rotation of loadframe:',&
|
||
|
|
transpose(newLoadCase%rotation)
|
||
|
|
if (newLoadCase%time < 0.0_pReal) errorID = 834_pInt ! negative time increment
|
||
|
|
write(6,'(2x,a,f12.6)') 'time: ', newLoadCase%time
|
||
|
|
if (newLoadCase%incs < 1_pInt) errorID = 835_pInt ! non-positive incs count
|
||
|
|
write(6,'(2x,a,i5)') 'increments: ', newLoadCase%incs
|
||
|
|
if (newLoadCase%outputfrequency < 1_pInt) errorID = 836_pInt ! non-positive result frequency
|
||
|
|
write(6,'(2x,a,i5)') 'output frequency: ', newLoadCase%outputfrequency
|
||
|
|
write(6,'(2x,a,i5,/)') 'restart frequency: ', newLoadCase%restartfrequency
|
||
|
|
if (errorID > 0_pInt) call IO_error(error_ID = errorID, ext_msg = loadcase_string) ! exit with error message
|
||
|
|
endif reportAndCheck
|
||
|
|
loadCases = [loadCases,newLoadCase] ! load case is ok, append it
|
||
|
|
enddo
|
||
|
|
close(fileUnit)
|
||
|
|
|
||
|
|
call results_openJobFile
|
||
|
|
call results_addAttribute('grid',grid,'mapping')
|
||
|
|
call results_addAttribute('size',geomSize,'mapping')
|
||
|
|
call results_closeJobFile
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! doing initialization depending on active solvers
|
||
|
|
call Utilities_init()
|
||
|
|
do field = 1, nActiveFields
|
||
|
|
select case (loadCases(1)%ID(field))
|
||
|
|
case(FIELD_MECH_ID)
|
||
|
|
call mech_init
|
||
|
|
|
||
|
|
case(FIELD_THERMAL_ID)
|
||
|
|
call grid_thermal_spectral_init
|
||
|
|
|
||
|
|
case(FIELD_DAMAGE_ID)
|
||
|
|
call grid_damage_spectral_init
|
||
|
|
|
||
|
|
end select
|
||
|
|
enddo
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! write header of output file
|
||
|
|
if (worldrank == 0) then
|
||
|
|
writeHeader: if (interface_restartInc < 1_pInt) then
|
||
|
|
open(newunit=fileUnit,file=trim(getSolverJobName())//&
|
||
|
|
'.spectralOut',form='UNFORMATTED',status='REPLACE')
|
||
|
|
write(fileUnit) 'load:', trim(loadCaseFile) ! ... and write header
|
||
|
|
write(fileUnit) 'workingdir:', 'n/a'
|
||
|
|
write(fileUnit) 'geometry:', trim(geometryFile)
|
||
|
|
write(fileUnit) 'grid:', grid
|
||
|
|
write(fileUnit) 'size:', geomSize
|
||
|
|
write(fileUnit) 'materialpoint_sizeResults:', materialpoint_sizeResults
|
||
|
|
write(fileUnit) 'loadcases:', size(loadCases)
|
||
|
|
write(fileUnit) 'frequencies:', loadCases%outputfrequency ! one entry per LoadCase
|
||
|
|
write(fileUnit) 'times:', loadCases%time ! one entry per LoadCase
|
||
|
|
write(fileUnit) 'logscales:', loadCases%logscale
|
||
|
|
write(fileUnit) 'increments:', loadCases%incs ! one entry per LoadCase
|
||
|
|
write(fileUnit) 'startingIncrement:', restartInc ! start with writing out the previous inc
|
||
|
|
write(fileUnit) 'eoh'
|
||
|
|
close(fileUnit) ! end of header
|
||
|
|
open(newunit=statUnit,file=trim(getSolverJobName())//&
|
||
|
|
'.sta',form='FORMATTED',status='REPLACE')
|
||
|
|
write(statUnit,'(a)') 'Increment Time CutbackLevel Converged IterationsNeeded' ! statistics file
|
||
|
|
if (iand(debug_level(debug_spectral),debug_levelBasic) /= 0) &
|
||
|
|
write(6,'(/,a)') ' header of result and statistics file written out'
|
||
|
|
flush(6)
|
||
|
|
else writeHeader
|
||
|
|
open(newunit=statUnit,file=trim(getSolverJobName())//&
|
||
|
|
'.sta',form='FORMATTED', position='APPEND', status='OLD')
|
||
|
|
endif writeHeader
|
||
|
|
endif
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! prepare MPI parallel out (including opening of file)
|
||
|
|
allocate(outputSize(worldsize), source = 0_MPI_OFFSET_KIND)
|
||
|
|
outputSize(worldrank+1) = size(materialpoint_results,kind=MPI_OFFSET_KIND)*int(pReal,MPI_OFFSET_KIND)
|
||
|
|
call MPI_allreduce(MPI_IN_PLACE,outputSize,worldsize,MPI_LONG,MPI_SUM,PETSC_COMM_WORLD,ierr) ! get total output size over each process
|
||
|
|
if (ierr /= 0_pInt) call IO_error(error_ID=894_pInt, ext_msg='MPI_allreduce')
|
||
|
|
call MPI_file_open(PETSC_COMM_WORLD, trim(getSolverJobName())//'.spectralOut', &
|
||
|
|
MPI_MODE_WRONLY + MPI_MODE_APPEND, &
|
||
|
|
MPI_INFO_NULL, &
|
||
|
|
fileUnit, &
|
||
|
|
ierr)
|
||
|
|
if (ierr /= 0_pInt) call IO_error(error_ID=894_pInt, ext_msg='MPI_file_open')
|
||
|
|
call MPI_file_get_position(fileUnit,fileOffset,ierr) ! get offset from header
|
||
|
|
if (ierr /= 0_pInt) call IO_error(error_ID=894_pInt, ext_msg='MPI_file_get_position')
|
||
|
|
fileOffset = fileOffset + sum(outputSize(1:worldrank)) ! offset of my process in file (header + processes before me)
|
||
|
|
call MPI_file_seek (fileUnit,fileOffset,MPI_SEEK_SET,ierr)
|
||
|
|
if (ierr /= 0_pInt) call IO_error(error_ID=894_pInt, ext_msg='MPI_file_seek')
|
||
|
|
|
||
|
|
writeUndeformed: if (interface_restartInc < 1_pInt) then
|
||
|
|
write(6,'(1/,a)') ' ... writing initial configuration to file ........................'
|
||
|
|
call CPFEM_results(0_pInt,0.0_pReal)
|
||
|
|
do i = 1, size(materialpoint_results,3)/(maxByteOut/(materialpoint_sizeResults*pReal))+1 ! slice the output of my process in chunks not exceeding the limit for one output
|
||
|
|
outputIndex = int([(i-1_pInt)*((maxRealOut)/materialpoint_sizeResults)+1_pInt, & ! QUESTION: why not starting i at 0 instead of murky 1?
|
||
|
|
min(i*((maxRealOut)/materialpoint_sizeResults),size(materialpoint_results,3))],pLongInt)
|
||
|
|
call MPI_file_write(fileUnit,reshape(materialpoint_results(:,:,outputIndex(1):outputIndex(2)), &
|
||
|
|
[(outputIndex(2)-outputIndex(1)+1)*int(materialpoint_sizeResults,pLongInt)]), &
|
||
|
|
int((outputIndex(2)-outputIndex(1)+1)*int(materialpoint_sizeResults,pLongInt)), &
|
||
|
|
MPI_DOUBLE, MPI_STATUS_IGNORE, ierr)
|
||
|
|
if (ierr /= 0_pInt) call IO_error(error_ID=894_pInt, ext_msg='MPI_file_write')
|
||
|
|
enddo
|
||
|
|
fileOffset = fileOffset + sum(outputSize) ! forward to current file position
|
||
|
|
endif writeUndeformed
|
||
|
|
|
||
|
|
|
||
|
|
loadCaseLooping: do currentLoadCase = 1_pInt, size(loadCases)
|
||
|
|
time0 = time ! load case start time
|
||
|
|
guess = loadCases(currentLoadCase)%followFormerTrajectory ! change of load case? homogeneous guess for the first inc
|
||
|
|
|
||
|
|
incLooping: do inc = 1_pInt, loadCases(currentLoadCase)%incs
|
||
|
|
totalIncsCounter = totalIncsCounter + 1_pInt
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! forwarding time
|
||
|
|
timeIncOld = timeinc ! last timeinc that brought former inc to an end
|
||
|
|
if (loadCases(currentLoadCase)%logscale == 0_pInt) then ! linear scale
|
||
|
|
timeinc = loadCases(currentLoadCase)%time/real(loadCases(currentLoadCase)%incs,pReal)
|
||
|
|
else
|
||
|
|
if (currentLoadCase == 1_pInt) then ! 1st load case of logarithmic scale
|
||
|
|
if (inc == 1_pInt) then ! 1st inc of 1st load case of logarithmic scale
|
||
|
|
timeinc = loadCases(1)%time*(2.0_pReal**real( 1_pInt-loadCases(1)%incs ,pReal)) ! assume 1st inc is equal to 2nd
|
||
|
|
else ! not-1st inc of 1st load case of logarithmic scale
|
||
|
|
timeinc = loadCases(1)%time*(2.0_pReal**real(inc-1_pInt-loadCases(1)%incs ,pReal))
|
||
|
|
endif
|
||
|
|
else ! not-1st load case of logarithmic scale
|
||
|
|
timeinc = time0 * &
|
||
|
|
( (1.0_pReal + loadCases(currentLoadCase)%time/time0 )**(real( inc ,pReal)/&
|
||
|
|
real(loadCases(currentLoadCase)%incs ,pReal))&
|
||
|
|
-(1.0_pReal + loadCases(currentLoadCase)%time/time0 )**(real( inc-1_pInt ,pReal)/&
|
||
|
|
real(loadCases(currentLoadCase)%incs ,pReal)))
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
timeinc = timeinc * real(subStepFactor,pReal)**real(-cutBackLevel,pReal) ! depending on cut back level, decrease time step
|
||
|
|
|
||
|
|
skipping: if (totalIncsCounter <= restartInc) then ! not yet at restart inc?
|
||
|
|
time = time + timeinc ! just advance time, skip already performed calculation
|
||
|
|
guess = .true. ! QUESTION:why forced guessing instead of inheriting loadcase preference
|
||
|
|
else skipping
|
||
|
|
stepFraction = 0_pInt ! fraction scaled by stepFactor**cutLevel
|
||
|
|
|
||
|
|
subStepLooping: do while (stepFraction < subStepFactor**cutBackLevel)
|
||
|
|
remainingLoadCaseTime = loadCases(currentLoadCase)%time+time0 - time
|
||
|
|
time = time + timeinc ! forward target time
|
||
|
|
stepFraction = stepFraction + 1_pInt ! count step
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! report begin of new step
|
||
|
|
write(6,'(/,a)') ' ###########################################################################'
|
||
|
|
write(6,'(1x,a,es12.5'//&
|
||
|
|
',a,'//IO_intOut(inc) //',a,'//IO_intOut(loadCases(currentLoadCase)%incs)//&
|
||
|
|
',a,'//IO_intOut(stepFraction) //',a,'//IO_intOut(subStepFactor**cutBackLevel)//&
|
||
|
|
',a,'//IO_intOut(currentLoadCase)//',a,'//IO_intOut(size(loadCases))//')') &
|
||
|
|
'Time', time, &
|
||
|
|
's: Increment ', inc,'/',loadCases(currentLoadCase)%incs,&
|
||
|
|
'-', stepFraction,'/',subStepFactor**cutBackLevel,&
|
||
|
|
' of load case ', currentLoadCase,'/',size(loadCases)
|
||
|
|
write(incInfo,&
|
||
|
|
'(a,'//IO_intOut(totalIncsCounter)//&
|
||
|
|
',a,'//IO_intOut(sum(loadCases%incs))//&
|
||
|
|
',a,'//IO_intOut(stepFraction)//&
|
||
|
|
',a,'//IO_intOut(subStepFactor**cutBackLevel)//')') &
|
||
|
|
'Increment ',totalIncsCounter,'/',sum(loadCases%incs),&
|
||
|
|
'-', stepFraction,'/',subStepFactor**cutBackLevel
|
||
|
|
flush(6)
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! forward fields
|
||
|
|
do field = 1, nActiveFields
|
||
|
|
select case(loadCases(currentLoadCase)%ID(field))
|
||
|
|
case(FIELD_MECH_ID)
|
||
|
|
call mech_forward (&
|
||
|
|
guess,timeinc,timeIncOld,remainingLoadCaseTime, &
|
||
|
|
deformation_BC = loadCases(currentLoadCase)%deformation, &
|
||
|
|
stress_BC = loadCases(currentLoadCase)%stress, &
|
||
|
|
rotation_BC = loadCases(currentLoadCase)%rotation)
|
||
|
|
|
||
|
|
case(FIELD_THERMAL_ID); call grid_thermal_spectral_forward
|
||
|
|
case(FIELD_DAMAGE_ID); call grid_damage_spectral_forward
|
||
|
|
end select
|
||
|
|
enddo
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! solve fields
|
||
|
|
stagIter = 0_pInt
|
||
|
|
stagIterate = .true.
|
||
|
|
do while (stagIterate)
|
||
|
|
do field = 1, nActiveFields
|
||
|
|
select case(loadCases(currentLoadCase)%ID(field))
|
||
|
|
case(FIELD_MECH_ID)
|
||
|
|
solres(field) = mech_solution (&
|
||
|
|
incInfo,timeinc,timeIncOld, &
|
||
|
|
stress_BC = loadCases(currentLoadCase)%stress, &
|
||
|
|
rotation_BC = loadCases(currentLoadCase)%rotation)
|
||
|
|
|
||
|
|
case(FIELD_THERMAL_ID)
|
||
|
|
solres(field) = grid_thermal_spectral_solution(timeinc,timeIncOld,remainingLoadCaseTime)
|
||
|
|
|
||
|
|
case(FIELD_DAMAGE_ID)
|
||
|
|
solres(field) = grid_damage_spectral_solution(timeinc,timeIncOld,remainingLoadCaseTime)
|
||
|
|
|
||
|
|
end select
|
||
|
|
|
||
|
|
if (.not. solres(field)%converged) exit ! no solution found
|
||
|
|
|
||
|
|
enddo
|
||
|
|
stagIter = stagIter + 1_pInt
|
||
|
|
stagIterate = stagIter < stagItMax &
|
||
|
|
.and. all(solres(:)%converged) &
|
||
|
|
.and. .not. all(solres(:)%stagConverged) ! stationary with respect to staggered iteration
|
||
|
|
enddo
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
|
||
|
|
! check solution for either advance or retry
|
||
|
|
|
||
|
|
if ( (continueCalculation .or. all(solres(:)%converged .and. solres(:)%stagConverged)) & ! don't care or did converge
|
||
|
|
.and. .not. solres(1)%termIll) then ! and acceptable solution found
|
||
|
|
timeIncOld = timeinc
|
||
|
|
cutBack = .false.
|
||
|
|
guess = .true. ! start guessing after first converged (sub)inc
|
||
|
|
if (worldrank == 0) then
|
||
|
|
write(statUnit,*) totalIncsCounter, time, cutBackLevel, &
|
||
|
|
solres%converged, solres%iterationsNeeded
|
||
|
|
flush(statUnit)
|
||
|
|
endif
|
||
|
|
elseif (cutBackLevel < maxCutBack) then ! further cutbacking tolerated?
|
||
|
|
cutBack = .true.
|
||
|
|
stepFraction = (stepFraction - 1_pInt) * subStepFactor ! adjust to new denominator
|
||
|
|
cutBackLevel = cutBackLevel + 1_pInt
|
||
|
|
time = time - timeinc ! rewind time
|
||
|
|
timeinc = timeinc/real(subStepFactor,pReal) ! cut timestep
|
||
|
|
write(6,'(/,a)') ' cutting back '
|
||
|
|
else ! no more options to continue
|
||
|
|
call IO_warning(850_pInt)
|
||
|
|
call MPI_file_close(fileUnit,ierr)
|
||
|
|
close(statUnit)
|
||
|
|
call quit(-1_pInt*(lastRestartWritten+1_pInt)) ! quit and provide information about last restart inc written
|
||
|
|
endif
|
||
|
|
|
||
|
|
enddo subStepLooping
|
||
|
|
|
||
|
|
cutBackLevel = max(0_pInt, cutBackLevel - 1_pInt) ! try half number of subincs next inc
|
||
|
|
|
||
|
|
if (all(solres(:)%converged)) then
|
||
|
|
convergedCounter = convergedCounter + 1_pInt
|
||
|
|
write(6,'(/,a,'//IO_intOut(totalIncsCounter)//',a)') & ! report converged inc
|
||
|
|
' increment ', totalIncsCounter, ' converged'
|
||
|
|
else
|
||
|
|
notConvergedCounter = notConvergedCounter + 1_pInt
|
||
|
|
write(6,'(/,a,'//IO_intOut(totalIncsCounter)//',a)') & ! report non-converged inc
|
||
|
|
' increment ', totalIncsCounter, ' NOT converged'
|
||
|
|
endif; flush(6)
|
||
|
|
|
||
|
|
if (mod(inc,loadCases(currentLoadCase)%outputFrequency) == 0_pInt) then ! at output frequency
|
||
|
|
write(6,'(1/,a)') ' ... writing results to file ......................................'
|
||
|
|
flush(6)
|
||
|
|
call materialpoint_postResults()
|
||
|
|
call MPI_file_seek (fileUnit,fileOffset,MPI_SEEK_SET,ierr)
|
||
|
|
if (ierr /= 0_pInt) call IO_error(894_pInt, ext_msg='MPI_file_seek')
|
||
|
|
do i=1, size(materialpoint_results,3)/(maxByteOut/(materialpoint_sizeResults*pReal))+1 ! slice the output of my process in chunks not exceeding the limit for one output
|
||
|
|
outputIndex=int([(i-1_pInt)*((maxRealOut)/materialpoint_sizeResults)+1_pInt, &
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||
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min(i*((maxRealOut)/materialpoint_sizeResults),size(materialpoint_results,3))],pLongInt)
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||
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call MPI_file_write(fileUnit,reshape(materialpoint_results(:,:,outputIndex(1):outputIndex(2)),&
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||
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[(outputIndex(2)-outputIndex(1)+1)*int(materialpoint_sizeResults,pLongInt)]), &
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||
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int((outputIndex(2)-outputIndex(1)+1)*int(materialpoint_sizeResults,pLongInt)),&
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||
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|
MPI_DOUBLE, MPI_STATUS_IGNORE, ierr)
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||
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if(ierr /=0_pInt) call IO_error(894_pInt, ext_msg='MPI_file_write')
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||
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|
enddo
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fileOffset = fileOffset + sum(outputSize) ! forward to current file position
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||
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call CPFEM_results(totalIncsCounter,time)
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||
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|
endif
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||
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if ( loadCases(currentLoadCase)%restartFrequency > 0_pInt & ! writing of restart info requested ...
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||
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.and. mod(inc,loadCases(currentLoadCase)%restartFrequency) == 0_pInt) then ! ... and at frequency of writing restart information
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||
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|
restartWrite = .true. ! set restart parameter for FEsolving
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||
|
|
lastRestartWritten = inc ! QUESTION: first call to CPFEM_general will write?
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||
|
|
endif
|
||
|
|
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||
|
|
endif skipping
|
||
|
|
|
||
|
|
enddo incLooping
|
||
|
|
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||
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|
enddo loadCaseLooping
|
||
|
|
|
||
|
|
|
||
|
|
!--------------------------------------------------------------------------------------------------
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||
|
|
! report summary of whole calculation
|
||
|
|
write(6,'(/,a)') ' ###########################################################################'
|
||
|
|
write(6,'(1x,'//IO_intOut(convergedCounter)//',a,'//IO_intOut(notConvergedCounter + convergedCounter)//',a,f5.1,a)') &
|
||
|
|
convergedCounter, ' out of ', &
|
||
|
|
notConvergedCounter + convergedCounter, ' (', &
|
||
|
|
real(convergedCounter, pReal)/&
|
||
|
|
real(notConvergedCounter + convergedCounter,pReal)*100.0_pReal, ' %) increments converged!'
|
||
|
|
flush(6)
|
||
|
|
call MPI_file_close(fileUnit,ierr)
|
||
|
|
close(statUnit)
|
||
|
|
|
||
|
|
if (notConvergedCounter > 0_pInt) call quit(2_pInt) ! error if some are not converged
|
||
|
|
call quit(0_pInt) ! no complains ;)
|
||
|
|
|
||
|
|
end program DAMASK_spectral
|