! Copyright 2011-13 Max-Planck-Institut für Eisenforschung GmbH ! ! This file is part of DAMASK, ! the Düsseldorf Advanced MAterial Simulation Kit. ! ! DAMASK is free software: you can redistribute it and/or modify ! it under the terms of the GNU General Public License as published by ! the Free Software Foundation, either version 3 of the License, or ! (at your option) any later version. ! ! DAMASK is distributed in the hope that it will be useful, ! but WITHOUT ANY WARRANTY; without even the implied warranty of ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! GNU General Public License for more details. ! ! You should have received a copy of the GNU General Public License ! along with DAMASK. If not, see . ! !-------------------------------------------------------------------------------------------------- ! $Id$ !-------------------------------------------------------------------------------------------------- !> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH !> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH !> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH !> @brief Driver controlling inner and outer load case looping of the various spectral solvers !> @details doing cutbacking, forwarding in case of restart, reporting statistics, writing !> results !-------------------------------------------------------------------------------------------------- program DAMASK_spectral_Driver use, intrinsic :: & iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran >4.6 at the moment) use prec, only: & pInt, & pReal, & tol_math_check use DAMASK_interface, only: & DAMASK_interface_init, & loadCaseFile, & geometryFile, & getSolverWorkingDirectoryName, & getSolverJobName, & appendToOutFile use IO, only: & IO_read, & IO_isBlank, & IO_open_file, & IO_stringPos, & IO_stringValue, & IO_floatValue, & IO_intValue, & IO_error, & IO_lc, & IO_intOut, & IO_warning, & IO_timeStamp use debug, only: & debug_level, & debug_spectral, & debug_levelBasic use math ! need to include the whole module for FFTW use CPFEM, only: & CPFEM_initAll use FEsolving, only: & restartWrite, & restartInc use numerics, only: & maxCutBack, & mySpectralSolver, & regridMode use homogenization, only: & materialpoint_sizeResults, & materialpoint_results use DAMASK_spectral_Utilities, only: & grid, & geomSize, & tBoundaryCondition, & tSolutionState, & cutBack, & utilities_temperatureUpdate use DAMASK_spectral_SolverBasic #ifdef PETSc use DAMASK_spectral_SolverBasicPETSC use DAMASK_spectral_SolverAL use DAMASK_spectral_SolverPolarisation #endif implicit none type tLoadCase real(pReal), dimension (3,3) :: rotation = math_I3 !< rotation of BC type(tBoundaryCondition) :: P, & !< stress BC deformation !< deformation BC (Fdot or L) real(pReal) :: time = 0.0_pReal, & !< length of increment temperature = 300.0_pReal, & !< isothermal starting conditions density = 0.0_pReal !< density integer(pInt) :: incs = 0_pInt, & !< number of increments outputfrequency = 1_pInt, & !< frequency of result writes restartfrequency = 0_pInt, & !< frequency of restart writes logscale = 0_pInt !< linear/logarithmic time inc flag logical :: followFormerTrajectory = .true. !< follow trajectory of former loadcase end type tLoadCase !-------------------------------------------------------------------------------------------------- ! variables related to information from load case and geom file real(pReal), dimension(9) :: temp_valueVector = 0.0_pReal !< temporarily from loadcase file when reading in tensors (initialize to 0.0) logical, dimension(9) :: temp_maskVector = .false. !< temporarily from loadcase file when reading in tensors integer(pInt), parameter :: maxNchunks = (1_pInt + 9_pInt)*3_pInt + & ! deformation, rotation, and stress (1_pInt + 1_pInt)*5_pInt + & ! time, (log)incs, temp, restartfrequency, and outputfrequency 1_pInt, & ! dropguessing myUnit = 234_pInt !< file unit, DAMASK IO does not support newunit feature integer(pInt), dimension(1_pInt + maxNchunks*2_pInt) :: positions ! this is longer than needed for geometry parsing integer(pInt) :: & N_t = 0_pInt, & !< # of time indicators found in load case file N_n = 0_pInt, & !< # of increment specifiers found in load case file N_def = 0_pInt !< # of rate of deformation specifiers found in load case file character(len=65536) :: & line !-------------------------------------------------------------------------------------------------- ! loop variables, convergence etc. real(pReal), dimension(3,3), parameter :: & ones = 1.0_pReal, & zeros = 0.0_pReal integer(pInt), parameter :: & subStepFactor = 2_pInt !< for each substep, divide the last time increment by 2.0 real(pReal) :: & time = 0.0_pReal, & !< elapsed time time0 = 0.0_pReal, & !< begin of interval timeinc = 1.0_pReal, & !< current time interval timeIncOld = 0.0_pReal, & !< previous time interval remainingLoadCaseTime = 0.0_pReal !< remaining time of current load case logical :: & guess !< guess along former trajectory integer(pInt) :: & i, j, k, l, & errorID, & cutBackLevel = 0_pInt, & !< cut back level \f$ t = \frac{t_{inc}}{2^l} \f$ stepFraction = 0_pInt !< fraction of current time interval integer(pInt) :: & currentLoadcase = 0_pInt, & !< current load case inc, & !< current increment in current load case totalIncsCounter = 0_pInt, & !< total No. of increments convergedCounter = 0_pInt, & !< No. of converged increments notConvergedCounter = 0_pInt, & !< No. of non-converged increments resUnit = 0_pInt, & !< file unit for results writing statUnit = 0_pInt, & !< file unit for statistics output lastRestartWritten = 0_pInt !< total increment No. at which last restart information was written character(len=6) :: loadcase_string character(len=1024) :: incInfo !< string parsed to solution with information about current load case type(tLoadCase), allocatable, dimension(:) :: loadCases !< array of all load cases type(tSolutionState) solres external :: quit !-------------------------------------------------------------------------------------------------- ! init DAMASK (all modules) call CPFEM_initAll(temperature = 300.0_pReal, el = 1_pInt, ip = 1_pInt) write(6,'(/,a)') ' <<<+- DAMASK_spectral_driver init -+>>>' write(6,'(a)') ' $Id$' write(6,'(a15,a)') ' Current time: ',IO_timeStamp() #include "compilation_info.f90" !-------------------------------------------------------------------------------------------------- ! reading basic information from load case file and allocate data structure containing load cases call IO_open_file(myUnit,trim(loadCaseFile)) rewind(myUnit) do line = IO_read(myUnit) if (trim(line) == '#EOF#') exit if (IO_isBlank(line)) cycle ! skip empty lines positions = IO_stringPos(line,maxNchunks) do i = 1_pInt, positions(1) ! reading compulsory parameters for loadcase select case (IO_lc(IO_stringValue(line,positions,i))) case('l','velocitygrad','velgrad','velocitygradient','fdot','dotf','f') N_def = N_def + 1_pInt case('t','time','delta') N_t = N_t + 1_pInt case('n','incs','increments','steps','logincs','logincrements','logsteps') N_n = N_n + 1_pInt end select enddo ! count all identifiers to allocate memory and do sanity check enddo if ((N_def /= N_n) .or. (N_n /= N_t)) & ! sanity check call IO_error(error_ID=837_pInt,ext_msg = trim(loadCaseFile)) ! error message for incomplete loadcase allocate (loadCases(N_n)) ! array of load cases loadCases%P%myType='p' !-------------------------------------------------------------------------------------------------- ! reading the load case and assign values to the allocated data structure rewind(myUnit) do line = IO_read(myUnit) if (trim(line) == '#EOF#') exit if (IO_isBlank(line)) cycle ! skip empty lines currentLoadCase = currentLoadCase + 1_pInt positions = IO_stringPos(line,maxNchunks) do i = 1_pInt, positions(1) select case (IO_lc(IO_stringValue(line,positions,i))) case('fdot','dotf','l','velocitygrad','velgrad','velocitygradient','f') ! assign values for the deformation BC matrix temp_valueVector = 0.0_pReal if (IO_lc(IO_stringValue(line,positions,i)) == 'fdot'.or. & ! in case of Fdot, set type to fdot IO_lc(IO_stringValue(line,positions,i)) == 'dotf') then loadCases(currentLoadCase)%deformation%myType = 'fdot' else if (IO_lc(IO_stringValue(line,positions,i)) == 'f') then loadCases(currentLoadCase)%deformation%myType = 'f' else loadCases(currentLoadCase)%deformation%myType = 'l' endif do j = 1_pInt, 9_pInt temp_maskVector(j) = IO_stringValue(line,positions,i+j) /= '*' ! true if not a * enddo do j = 1_pInt,9_pInt if (temp_maskVector(j)) temp_valueVector(j) = IO_floatValue(line,positions,i+j) ! read value where applicable enddo loadCases(currentLoadCase)%deformation%maskLogical = & ! logical mask in 3x3 notation transpose(reshape(temp_maskVector,[ 3,3])) loadCases(currentLoadCase)%deformation%maskFloat = & ! float (1.0/0.0) mask in 3x3 notation merge(ones,zeros,loadCases(currentLoadCase)%deformation%maskLogical) loadCases(currentLoadCase)%deformation%values = math_plain9to33(temp_valueVector) ! values in 3x3 notation case('p','pk1','piolakirchhoff','stress', 's') temp_valueVector = 0.0_pReal do j = 1_pInt, 9_pInt temp_maskVector(j) = IO_stringValue(line,positions,i+j) /= '*' ! true if not an asterisk enddo do j = 1_pInt,9_pInt if (temp_maskVector(j)) temp_valueVector(j) = IO_floatValue(line,positions,i+j) ! read value where applicable enddo loadCases(currentLoadCase)%P%maskLogical = transpose(reshape(temp_maskVector,[ 3,3])) loadCases(currentLoadCase)%P%maskFloat = merge(ones,zeros,& loadCases(currentLoadCase)%P%maskLogical) loadCases(currentLoadCase)%P%values = math_plain9to33(temp_valueVector) case('t','time','delta') ! increment time loadCases(currentLoadCase)%time = IO_floatValue(line,positions,i+1_pInt) case('temp','temperature') ! starting temperature loadCases(currentLoadCase)%temperature = IO_floatValue(line,positions,i+1_pInt) case('den','density') ! starting density loadCases(currentLoadCase)%density = IO_floatValue(line,positions,i+1_pInt) case('n','incs','increments','steps') ! number of increments loadCases(currentLoadCase)%incs = IO_intValue(line,positions,i+1_pInt) case('logincs','logincrements','logsteps') ! number of increments (switch to log time scaling) loadCases(currentLoadCase)%incs = IO_intValue(line,positions,i+1_pInt) loadCases(currentLoadCase)%logscale = 1_pInt case('freq','frequency','outputfreq') ! frequency of result writings loadCases(currentLoadCase)%outputfrequency = IO_intValue(line,positions,i+1_pInt) case('r','restart','restartwrite') ! frequency of writing restart information loadCases(currentLoadCase)%restartfrequency = & max(0_pInt,IO_intValue(line,positions,i+1_pInt)) case('guessreset','dropguessing') loadCases(currentLoadCase)%followFormerTrajectory = .false. ! do not continue to predict deformation along former trajectory case('euler') ! rotation of currentLoadCase given in euler angles temp_valueVector = 0.0_pReal l = 1_pInt ! assuming values given in degrees k = 1_pInt ! assuming keyword indicating degree/radians present select case (IO_lc(IO_stringValue(line,positions,i+1_pInt))) case('deg','degree') case('rad','radian') ! don't convert from degree to radian l = 0_pInt case default k = 0_pInt end select do j = 1_pInt, 3_pInt temp_valueVector(j) = IO_floatValue(line,positions,i+k+j) enddo if (l == 1_pInt) temp_valueVector(1:3) = temp_valueVector(1:3) * inRad ! convert to rad loadCases(currentLoadCase)%rotation = math_EulerToR(temp_valueVector(1:3)) ! convert rad Eulers to rotation matrix case('rotation','rot') ! assign values for the rotation of currentLoadCase matrix temp_valueVector = 0.0_pReal do j = 1_pInt, 9_pInt temp_valueVector(j) = IO_floatValue(line,positions,i+j) enddo loadCases(currentLoadCase)%rotation = math_plain9to33(temp_valueVector) end select enddo; enddo close(myUnit) !-------------------------------------------------------------------------------------------------- ! consistency checks and output of load case loadCases(1)%followFormerTrajectory = .false. ! cannot guess along trajectory for first inc of first currentLoadCase errorID = 0_pInt checkLoadcases: do currentLoadCase = 1_pInt, size(loadCases) write (loadcase_string, '(i6)' ) currentLoadCase write(6,'(1x,a,i6)') 'load case: ', currentLoadCase if (.not. loadCases(currentLoadCase)%followFormerTrajectory) & write(6,'(2x,a)') 'drop guessing along trajectory' if (loadCases(currentLoadCase)%deformation%myType=='l') then do j = 1_pInt, 3_pInt if (any(loadCases(currentLoadCase)%deformation%maskLogical(j,1:3) .eqv. .true.) .and. & any(loadCases(currentLoadCase)%deformation%maskLogical(j,1:3) .eqv. .false.)) & errorID = 832_pInt ! each row should be either fully or not at all defined enddo write(6,'(2x,a)') 'velocity gradient:' else if (loadCases(currentLoadCase)%deformation%myType=='f') then write(6,'(2x,a)') 'deformation gradient at end of load case:' else write(6,'(2x,a)') 'deformation gradient rate:' endif write(6,'(3(3(3x,f12.7,1x)/))',advance='no') & merge(math_transpose33(loadCases(currentLoadCase)%deformation%values), & reshape(spread(huge(1.0_pReal),1,9),[ 3,3]), & ! print *** (huge) for undefined transpose(loadCases(currentLoadCase)%deformation%maskLogical)) if (any(loadCases(currentLoadCase)%P%maskLogical .eqv. & loadCases(currentLoadCase)%deformation%maskLogical)) errorID = 831_pInt ! exclusive or masking only if (any(loadCases(currentLoadCase)%P%maskLogical .and. & transpose(loadCases(currentLoadCase)%P%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,/,3(3(3x,f12.7,1x)/))',advance='no') 'stress / GPa:',& 1e-9_pReal*merge(math_transpose33(loadCases(currentLoadCase)%P%values),& reshape(spread(huge(1.0_pReal),1,9),[ 3,3]),& transpose(loadCases(currentLoadCase)%P%maskLogical)) if (any(abs(math_mul33x33(loadCases(currentLoadCase)%rotation, & math_transpose33(loadCases(currentLoadCase)%rotation))-math_I3) >& reshape(spread(tol_math_check,1,9),[ 3,3]))& .or. abs(math_det33(loadCases(currentLoadCase)%rotation)) > & 1.0_pReal + tol_math_check) errorID = 846_pInt ! given rotation matrix contains strain if (any(loadCases(currentLoadCase)%rotation /= math_I3)) & write(6,'(2x,a,/,3(3(3x,f12.7,1x)/))',advance='no') 'rotation of loadframe:',& math_transpose33(loadCases(currentLoadCase)%rotation) write(6,'(2x,a,f12.6)') 'temperature:', loadCases(currentLoadCase)%temperature write(6,'(2x,a,f12.6)') 'density: ', loadCases(currentLoadCase)%density if (loadCases(currentLoadCase)%time < 0.0_pReal) errorID = 834_pInt ! negative time increment write(6,'(2x,a,f12.6)') 'time: ', loadCases(currentLoadCase)%time if (loadCases(currentLoadCase)%incs < 1_pInt) errorID = 835_pInt ! non-positive incs count write(6,'(2x,a,i5)') 'increments: ', loadCases(currentLoadCase)%incs if (loadCases(currentLoadCase)%outputfrequency < 1_pInt) errorID = 836_pInt ! non-positive result frequency write(6,'(2x,a,i5)') 'output frequency: ', & loadCases(currentLoadCase)%outputfrequency write(6,'(2x,a,i5,/)') 'restart frequency: ', & loadCases(currentLoadCase)%restartfrequency if (errorID > 0_pInt) call IO_error(error_ID = errorID, ext_msg = loadcase_string) ! exit with error message enddo checkLoadcases !-------------------------------------------------------------------------------------------------- ! doing initialization depending on selected solver select case (myspectralsolver) case (DAMASK_spectral_SolverBasic_label) call basic_init(loadCases(1)%temperature) #ifdef PETSc case (DAMASK_spectral_SolverBasicPETSc_label) call basicPETSc_init(loadCases(1)%temperature) case (DAMASK_spectral_SolverAL_label) if(iand(debug_level(debug_spectral),debug_levelBasic)/= 0) & call IO_warning(42_pInt, ext_msg='debug Divergence') call AL_init(loadCases(1)%temperature) case (DAMASK_spectral_SolverPolarisation_label) if(iand(debug_level(debug_spectral),debug_levelBasic)/= 0) & call IO_warning(42_pInt, ext_msg='debug Divergence') call Polarisation_init(loadCases(1)%temperature) #endif case default call IO_error(error_ID = 891, ext_msg = trim(myspectralsolver)) end select !-------------------------------------------------------------------------------------------------- ! write header of output file if (appendToOutFile) then ! after restart, append to existing results file open(newunit=resUnit,file=trim(getSolverWorkingDirectoryName())//trim(getSolverJobName())//& '.spectralOut',form='UNFORMATTED', position='APPEND', status='OLD') ! '.spectralOut',access='STREAM', position='APPEND', status='OLD') open(newunit=statUnit,file=trim(getSolverWorkingDirectoryName())//trim(getSolverJobName())//& '.sta',form='FORMATTED', position='APPEND', status='OLD') else ! open new files ... open(newunit=resUnit,file=trim(getSolverWorkingDirectoryName())//trim(getSolverJobName())//& '.spectralOut',form='UNFORMATTED',status='REPLACE') ! '.spectralOut',access='STREAM',status='REPLACE') write(resUnit) 'load', trim(loadCaseFile) ! ... and write header write(resUnit) 'workingdir', trim(getSolverWorkingDirectoryName()) write(resUnit) 'geometry', trim(geometryFile) !write(resUnit) 'grid', grid !write(resUnit) 'size', geomSize write(resUnit) 'resolution', grid write(resUnit) 'dimension', geomSize write(resUnit) 'materialpoint_sizeResults', materialpoint_sizeResults write(resUnit) 'loadcases', size(loadCases) write(resUnit) 'frequencies', loadCases%outputfrequency ! one entry per currentLoadCase write(resUnit) 'times', loadCases%time ! one entry per currentLoadCase write(resUnit) 'logscales', loadCases%logscale write(resUnit) 'increments', loadCases%incs ! one entry per currentLoadCase write(resUnit) 'startingIncrement', restartInc - 1_pInt ! start with writing out the previous inc write(resUnit) 'eoh' ! end of header write(resUnit) materialpoint_results ! initial (non-deformed or read-in) results open(newunit=statUnit,file=trim(getSolverWorkingDirectoryName())//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 file written out' flush(6) endif !-------------------------------------------------------------------------------------------------- ! loopping over loadcases loadCaseLooping: do currentLoadCase = 1_pInt, size(loadCases) time0 = time ! currentLoadCase start time if (loadCases(currentLoadCase)%followFormerTrajectory) then guess = .true. else guess = .false. ! change of load case, homogeneous guess for the first inc endif !-------------------------------------------------------------------------------------------------- ! loop oper incs defined in input file for current currentLoadCase incLooping: do inc = 1_pInt, loadCases(currentLoadCase)%incs totalIncsCounter = totalIncsCounter + 1_pInt !-------------------------------------------------------------------------------------------------- ! forwarding time timeIncOld = timeinc if (loadCases(currentLoadCase)%logscale == 0_pInt) then ! linear scale timeinc = loadCases(currentLoadCase)%time/loadCases(currentLoadCase)%incs ! only valid for given linear time scale. will be overwritten later in case loglinear scale is used else if (currentLoadCase == 1_pInt) then ! 1st currentLoadCase of logarithmic scale if (inc == 1_pInt) then ! 1st inc of 1st currentLoadCase 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 currentLoadCase of logarithmic scale timeinc = loadCases(1)%time*(2.0_pReal**real(inc-1_pInt-loadCases(1)%incs ,pReal)) endif else ! not-1st currentLoadCase 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 / 2.0_pReal**real(cutBackLevel,pReal) ! depending on cut back level, decrease time step forwarding: if(totalIncsCounter >= restartInc) then stepFraction = 0_pInt !-------------------------------------------------------------------------------------------------- ! loop over sub incs subIncLooping: do while (stepFraction/subStepFactor**cutBackLevel <1_pInt) time = time + timeinc ! forward time stepFraction = stepFraction + 1_pInt remainingLoadCaseTime = time0 - time + loadCases(currentLoadCase)%time + timeInc !-------------------------------------------------------------------------------------------------- ! report begin of new increment 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) flush(6) 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 select case(myspectralsolver) !-------------------------------------------------------------------------------------------------- ! calculate solution case (DAMASK_spectral_SolverBasic_label) solres = basic_solution (& incInfo,guess,timeinc,timeIncOld,remainingLoadCaseTime, & P_BC = loadCases(currentLoadCase)%P, & F_BC = loadCases(currentLoadCase)%deformation, & temperature_bc = loadCases(currentLoadCase)%temperature, & rotation_BC = loadCases(currentLoadCase)%rotation) #ifdef PETSc case (DAMASK_spectral_SolverBasicPETSC_label) solres = BasicPETSC_solution (& incInfo,guess,timeinc,timeIncOld,remainingLoadCaseTime, & P_BC = loadCases(currentLoadCase)%P, & F_BC = loadCases(currentLoadCase)%deformation, & temperature_bc = loadCases(currentLoadCase)%temperature, & rotation_BC = loadCases(currentLoadCase)%rotation, & density = loadCases(currentLoadCase)%density) case (DAMASK_spectral_SolverAL_label) solres = AL_solution (& incInfo,guess,timeinc,timeIncOld,remainingLoadCaseTime, & P_BC = loadCases(currentLoadCase)%P, & F_BC = loadCases(currentLoadCase)%deformation, & temperature_bc = loadCases(currentLoadCase)%temperature, & rotation_BC = loadCases(currentLoadCase)%rotation, & density = loadCases(currentLoadCase)%density) case (DAMASK_spectral_SolverPolarisation_label) solres = Polarisation_solution (& incInfo,guess,timeinc,timeIncOld,remainingLoadCaseTime, & P_BC = loadCases(currentLoadCase)%P, & F_BC = loadCases(currentLoadCase)%deformation, & temperature_bc = loadCases(currentLoadCase)%temperature, & rotation_BC = loadCases(currentLoadCase)%rotation, & density = loadCases(currentLoadCase)%density) #endif end select !-------------------------------------------------------------------------------------------------- ! check solution cutBack = .False. if(solres%termIll .or. .not. solres%converged) then ! no solution found if (cutBackLevel < maxCutBack) then ! do cut back write(6,'(/,a)') ' cut back detected' cutBack = .True. stepFraction = (stepFraction - 1_pInt) * subStepFactor ! adjust to new denominator cutBackLevel = cutBackLevel + 1_pInt time = time - timeinc ! rewind time timeIncOld = timeinc timeinc = timeinc/2.0_pReal elseif (solres%termIll) then ! material point model cannot find a solution if(regridMode > 0_pInt) call quit(-1_pInt*(lastRestartWritten+1_pInt)) ! regrid requested (mode 1 or 2) call IO_error(850_pInt) ! no regrid (give up) else if(regridMode == 2_pInt) call quit(-1_pInt*(lastRestartWritten+1_pInt)) ! regrid also if BVP solver do not converge guess = .true. ! continue from non-converged solution and start guessing after accepted (sub)inc endif else guess = .true. ! start guessing after first converged (sub)inc endif if (.not. cutBack) & write(statUnit,*) totalIncsCounter, time, cutBackLevel, & solres%converged, solres%iterationsNeeded ! write statistics about accepted solution enddo subIncLooping cutBackLevel = max(0_pInt, cutBackLevel - 1_pInt) ! try half number of subincs next inc if(solres%converged) then ! report converged inc convergedCounter = convergedCounter + 1_pInt write(6,'(/,a,'//IO_intOut(totalIncsCounter)//',a)') & ' increment ', totalIncsCounter, ' converged' else write(6,'(/,a,'//IO_intOut(totalIncsCounter)//',a)') & ! report non-converged inc ' increment ', totalIncsCounter, ' NOT converged' notConvergedCounter = notConvergedCounter + 1_pInt endif; flush(6) if (mod(inc,loadCases(currentLoadCase)%outputFrequency) == 0_pInt) then ! at output frequency write(6,'(1/,a)') ' ... writing results to file ......................................' write(resUnit) materialpoint_results ! write result to file endif if( loadCases(currentLoadCase)%restartFrequency > 0_pInt .and. & ! at frequency of writing restart information set restart parameter for FEsolving mod(inc,loadCases(currentLoadCase)%restartFrequency) == 0_pInt) then ! ToDo first call to CPFEM_general will write? restartWrite = .true. lastRestartWritten = inc endif else forwarding time = time + timeinc guess = .true. endif forwarding enddo incLooping enddo loadCaseLooping select case (myspectralsolver) case (DAMASK_spectral_SolverBasic_label) call basic_destroy() #ifdef PETSc case (DAMASK_spectral_SolverBasicPETSC_label) call BasicPETSC_destroy() case (DAMASK_spectral_SolverAL_label) call AL_destroy() case (DAMASK_spectral_SolverPolarisation_label) call Polarisation_destroy() #endif end select !-------------------------------------------------------------------------------------------------- ! report summary of whole calculation write(6,'(/,a)') ' ###########################################################################' write(6,'(1x,i6.6,a,i6.6,a,f5.1,a)') convergedCounter, ' out of ', & notConvergedCounter + convergedCounter, ' (', & real(convergedCounter, pReal)/& real(notConvergedCounter + convergedCounter,pReal)*100.0_pReal, & ' %) increments converged!' close(resUnit) if (notConvergedCounter > 0_pInt) call quit(3_pInt) ! error if some are not converged call quit(0_pInt) ! no complains ;) end program DAMASK_spectral_Driver !-------------------------------------------------------------------------------------------------- !> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH !> @brief quit subroutine to mimic behavior of FEM solvers !> @details exits the Spectral solver and reports time and duration. Exit code 0 signals !> everything went fine. Exit code 1 signals an error, message according to IO_error. Exit code !> 2 signals request for regridding, increment of last saved restart information is written to !> stderr. Exit code 3 signals no severe problems, but some increments did not converge !-------------------------------------------------------------------------------------------------- subroutine quit(stop_id) use prec, only: & pInt implicit none integer(pInt), intent(in) :: stop_id integer, dimension(8) :: dateAndTime ! type default integer call date_and_time(values = dateAndTime) write(6,'(/,a)') 'DAMASK terminated on:' 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) if (stop_id == 0_pInt) stop 0 ! normal termination if (stop_id < 0_pInt) then ! trigger regridding write(0,'(a,i6)') 'restart at ', stop_id*(-1_pInt) stop 2 endif if (stop_id == 3_pInt) stop 3 ! not all incs converged stop 1 ! error (message from IO_error) end subroutine quit