!-------------------------------------------------------------------------------------------------- !* $Id$ !-------------------------------------------------------------------------------------------------- !> @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 !-------------------------------------------------------------------------------------------------- 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 DAMASK_interface, only: & DAMASK_interface_init, & loadCaseFile, & geometryFile, & getSolverWorkingDirectoryName, & getSolverJobName, & appendToOutFile use prec, only: & pInt, & pReal, & DAMASK_NaN use IO, only: & IO_isBlank, & IO_open_file, & IO_stringPos, & IO_stringValue, & IO_floatValue, & IO_intValue, & IO_error, & IO_lc, & IO_read_jobBinaryFile, & IO_write_jobBinaryFile, & IO_intOut use math use mesh, only : & res, & geomdim, & mesh_NcpElems use CPFEM, only: & CPFEM_initAll use FEsolving, only: & restartWrite, & restartInc use numerics, only: & maxCutBack, & rotation_tol, & mySpectralSolver use homogenization, only: & materialpoint_sizeResults, & materialpoint_results use DAMASK_spectral_Utilities, only: & tBoundaryCondition, & tSolutionState, & debugGeneral, & cutBack use DAMASK_spectral_SolverBasic #ifdef PETSc use DAMASK_spectral_SolverBasicPETSC use DAMASK_spectral_SolverAL #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 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/logaritmic 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 !> temporarily from loadcase file when reading in tensors logical, dimension(9) :: temp_maskVector !> temporarily from loadcase file when reading in tensors integer(pInt), parameter :: maxNchunksLoadcase = (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 integer(pInt), dimension(1_pInt + maxNchunksLoadcase*2_pInt) :: positions ! this is longer than needed for geometry parsing integer(pInt) :: & N_l = 0_pInt, & N_t = 0_pInt, & N_n = 0_pInt, & N_Fdot = 0_pInt, & ! number of Fourier points myUnit = 234_pInt character(len=1024) :: & line !-------------------------------------------------------------------------------------------------- ! loop variables, convergence etc. real(pReal), dimension(3,3), parameter :: ones = 1.0_pReal, zeroes = 0.0_pReal real(pReal) :: time = 0.0_pReal, time0 = 0.0_pReal, timeinc = 1.0_pReal, timeinc_old = 0.0_pReal ! elapsed time, begin of interval, time interval, previous time interval real(pReal) :: guessmode integer(pInt) :: i, j, k, l, errorID, cutBackLevel = 0_pInt, stepFraction = 0_pInt integer(pInt) :: currentLoadcase = 0_pInt, inc, & totalIncsCounter = 0_pInt,& notConvergedCounter = 0_pInt, convergedCounter = 0_pInt character(len=6) :: loadcase_string character(len=1024) :: incInfo type(tLoadCase), allocatable, dimension(:) :: loadCases type(tSolutionState) solres !-------------------------------------------------------------------------------------------------- ! init DAMASK (all modules) call CPFEM_initAll(temperature = 300.0_pReal, element = 1_pInt, IP= 1_pInt) write(6,'(a)') '' write(6,'(a)') ' <<<+- DAMASK_spectral_Driver init -+>>>' write(6,'(a)') ' $Id$' #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 read(myUnit,'(a1024)',END = 100) line if (IO_isBlank(line)) cycle ! skip empty lines positions = IO_stringPos(line,maxNchunksLoadcase) do i = 1_pInt, maxNchunksLoadcase, 1_pInt ! reading compulsory parameters for loadcase select case (IO_lc(IO_stringValue(line,positions,i))) case('l','velocitygrad','velgrad','velocitygradient') N_l = N_l + 1_pInt case('fdot','dotf') N_Fdot = N_Fdot + 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 100 if ((N_l + N_Fdot /= 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)) loadCases%P%myType='p' !-------------------------------------------------------------------------------------------------- ! reading the load case and assign values to the allocated data structure rewind(myUnit) do read(myUnit,'(a1024)',END = 101) line if (IO_isBlank(line)) cycle ! skip empty lines currentLoadCase = currentLoadCase + 1_pInt positions = IO_stringPos(line,maxNchunksLoadcase) do i = 1_pInt,maxNchunksLoadcase select case (IO_lc(IO_stringValue(line,positions,i))) case('fdot','dotf','l','velocitygrad','velgrad','velocitygradient') ! assign values for the deformation BC matrix if (IO_lc(IO_stringValue(line,positions,i)) == 'l'.or. & ! in case of given L, set flag to true IO_lc(IO_stringValue(line,positions,i)) == 'velocitygrad'.or.& IO_lc(IO_stringValue(line,positions,i)) == 'velgrad'.or.& IO_lc(IO_stringValue(line,positions,i)) == 'velocitygradient') then loadCases(currentLoadCase)%deformation%myType = 'l' else loadCases(currentLoadCase)%deformation%myType = 'fdot' endif forall (j = 1_pInt:9_pInt) temp_maskVector(j) = IO_stringValue(line,positions,i+j) /= '*' do j = 1_pInt,9_pInt if (temp_maskVector(j)) temp_valueVector(j) = IO_floatValue(line,positions,i+j) enddo loadCases(currentLoadCase)%deformation%maskLogical = transpose(reshape(temp_maskVector,[ 3,3])) loadCases(currentLoadCase)%deformation%maskFloat = merge(ones,zeroes,& loadCases(currentLoadCase)%deformation%maskLogical) loadCases(currentLoadCase)%deformation%values = math_plain9to33(temp_valueVector) case('p','pk1','piolakirchhoff','stress') temp_valueVector = 0.0_pReal forall (j = 1_pInt:9_pInt) temp_maskVector(j) = IO_stringValue(line,positions,i+j) /= '*' do j = 1_pInt,9_pInt if (temp_maskVector(j)) temp_valueVector(j) = IO_floatValue(line,positions,i+j) enddo loadCases(currentLoadCase)%P%maskLogical = transpose(reshape(temp_maskVector,[ 3,3])) loadCases(currentLoadCase)%P%maskFloat = merge(ones,zeroes,& 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('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('f','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 l = 0_pInt ! assuming values given in degrees k = 0_pInt ! assuming keyword indicating degree/radians select case (IO_lc(IO_stringValue(line,positions,i+1_pInt))) case('rad','radian') l = 1_pInt k = 1_pInt case('deg','degree') l = 1_pInt ! for conversion from degree to radian case default end select forall(j = 1_pInt:3_pInt) temp_valueVector(j) = IO_floatValue(line,positions,i+k+j) if (k == 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 forall (j = 1_pInt:9_pInt) temp_valueVector(j) = IO_floatValue(line,positions,i+j) loadCases(currentLoadCase)%rotation = math_plain9to33(temp_valueVector) end select enddo; enddo 101 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 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]),transpose(loadCases(currentLoadCase)%deformation%maskLogical)) 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(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)') 'time: ', loadCases(currentLoadCase)%time write(6,'(2x,a,i5)') 'increments: ', loadCases(currentLoadCase)%incs write(6,'(2x,a,i5)') 'output frequency: ', loadCases(currentLoadCase)%outputfrequency write(6,'(2x,a,i5,/)') 'restart frequency: ', loadCases(currentLoadCase)%restartfrequency 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 if (any(abs(math_mul33x33(loadCases(currentLoadCase)%rotation,math_transpose33(loadCases(currentLoadCase)%rotation))& -math_I3) > reshape(spread(rotation_tol,1,9),[ 3,3]))& .or. abs(math_det33(loadCases(currentLoadCase)%rotation)) > 1.0_pReal + rotation_tol)& errorID = 846_pInt ! given rotation matrix contains strain if (loadCases(currentLoadCase)%time < 0.0_pReal) errorID = 834_pInt ! negative time increment if (loadCases(currentLoadCase)%incs < 1_pInt) errorID = 835_pInt ! non-positive incs count if (loadCases(currentLoadCase)%outputfrequency < 1_pInt) errorID = 836_pInt ! non-positive result frequency if (errorID > 0_pInt) call IO_error(error_ID = errorID, ext_msg = loadcase_string) enddo checkLoadcases select case (myspectralsolver) case (DAMASK_spectral_SolverBasic_label) call basic_init() #ifdef PETSc case (DAMASK_spectral_SolverBasicPETSc_label) call basicPETSc_init() case (DAMASK_spectral_SolverAL_label) call AL_init() #endif case default call IO_error(error_ID = 891, ext_msg = trim(myspectralsolver)) end select !-------------------------------------------------------------------------------------------------- ! write header of output file if (appendToOutFile) then open(538,file=trim(getSolverWorkingDirectoryName())//trim(getSolverJobName())//'.spectralOut',& form='UNFORMATTED', position='APPEND', status='OLD') else open(538,file=trim(getSolverWorkingDirectoryName())//trim(getSolverJobName())//'.spectralOut',& form='UNFORMATTED',status='REPLACE') write(538) 'load', trim(loadCaseFile) write(538) 'workingdir', trim(getSolverWorkingDirectoryName()) write(538) 'geometry', trim(geometryFile) write(538) 'resolution', res write(538) 'dimension', geomdim write(538) 'materialpoint_sizeResults', materialpoint_sizeResults write(538) 'loadcases', size(loadCases) write(538) 'frequencies', loadCases%outputfrequency ! one entry per currentLoadCase write(538) 'times', loadCases%time ! one entry per currentLoadCase write(538) 'logscales', loadCases%logscale write(538) 'increments', loadCases%incs ! one entry per currentLoadCase write(538) 'startingIncrement', restartInc - 1_pInt ! start with writing out the previous inc write(538) 'eoh' ! end of header write(538) materialpoint_results(1_pInt:materialpoint_sizeResults,1,1_pInt:mesh_NcpElems) ! initial (non-deformed or read-in) results if (debugGeneral) write(6,'(a)') 'Header of result file written out' endif !-------------------------------------------------------------------------------------------------- ! loopping over loadcases loadCaseLooping: do currentLoadCase = 1_pInt, size(loadCases) time0 = time ! currentLoadCase start time if (loadCases(currentLoadCase)%followFormerTrajectory) then guessmode = 1.0_pReal else guessmode = 0.0_pReal ! 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 timeinc_old = 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) if(totalIncsCounter >= restartInc) then ! do calculations (otherwise just forwarding) stepFraction = 0_pInt !-------------------------------------------------------------------------------------------------- ! report begin of new increment subIncLooping: do while (stepFraction/2_pInt**cutBackLevel <1_pInt) time = time + timeinc stepFraction = stepFraction + 1_pInt write(6,'(1/,a)') '###########################################################################' write(6,'(a,es12.5'//& ',a,'//IO_intOut(inc)//',a,'//IO_intOut(loadCases(currentLoadCase)%incs)//& ',a,'//IO_intOut(stepFraction)//',a,'//IO_intOut(2_pInt**cutBackLevel)//& ',a,'//IO_intOut(currentLoadCase)//',a,'//IO_intOut(size(loadCases))//')') & 'Time', time, & 's: Increment ', inc, '/', loadCases(currentLoadCase)%incs,& '-', stepFraction, '/', 2_pInt**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(2_pInt**cutBackLevel)//')') & 'Inc. ',totalIncsCounter,'/',sum(loadCases(:)%incs),& '-',stepFraction, '/', 2_pInt**cutBackLevel select case(myspectralsolver) case (DAMASK_spectral_SolverBasic_label) solres = basic_solution (& incInfo, guessmode,timeinc,timeinc_old, & 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, guessmode,timeinc,timeinc_old, & P_BC = loadCases(currentLoadCase)%P, & F_BC = loadCases(currentLoadCase)%deformation, & temperature_bc = loadCases(currentLoadCase)%temperature, & rotation_BC = loadCases(currentLoadCase)%rotation) case (DAMASK_spectral_SolverAL_label) solres = AL_solution (& incInfo, guessmode,timeinc,timeinc_old, & P_BC = loadCases(currentLoadCase)%P, & F_BC = loadCases(currentLoadCase)%deformation, & temperature_bc = loadCases(currentLoadCase)%temperature, & rotation_BC = loadCases(currentLoadCase)%rotation) #endif end select 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) * 2_pInt**cutBackLevel cutBackLevel = cutBackLevel + 1_pInt time = time - timeinc timeinc_old = timeinc timeinc = timeinc/2.0_pReal elseif (solres%termIll) then ! material point model cannot find a solution call IO_error(850_pInt) else guessmode=1.0_pReal ! start guessing after first accepted (not converged) (sub)inc endif else guessmode = 1.0_pReal ! start guessing after first converged (sub)inc endif enddo subIncLooping cutBackLevel = max(0_pInt, cutBackLevel - 1_pInt) ! try half subincs next inc if(solres%converged) then convergedCounter = convergedCounter + 1_pInt write(6,'(A,'//IO_intOut(totalIncsCounter)//',A)') & 'increment ', totalIncsCounter, ' converged' else write(6,'(A,'//IO_intOut(totalIncsCounter)//',A)') & 'increment ', totalIncsCounter, ' NOT converged' notConvergedCounter = notConvergedCounter + 1_pInt endif if (mod(inc,loadCases(currentLoadCase)%outputFrequency) == 0_pInt) then ! at output frequency write(6,'(1/,a)') '... writing results to file ......................................' write(538) materialpoint_results ! write result to file endif else !just time forwarding time = time + timeinc endif ! end calculation/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() #endif end select write(6,'(a)') '' write(6,'(a)') '##################################################################' write(6,'(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(538) if (notConvergedCounter > 0_pInt) call quit(3_pInt) call quit(0_pInt) end program DAMASK_spectral_Driver #include "spectral_quit.f90"