2015-06-03 23:00:31 +05:30
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!--------------------------------------------------------------------------------------------------
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! $Id: spectral_damage.f90 4082 2015-04-11 20:28:07Z MPIE\m.diehl $
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!--------------------------------------------------------------------------------------------------
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @author Shaokang Zhang, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief Spectral solver for nonlocal damage
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!--------------------------------------------------------------------------------------------------
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module spectral_damage
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use prec, only: &
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pInt, &
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pReal
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use math, only: &
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math_I3
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2015-12-16 02:15:54 +05:30
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use spectral_utilities, only: &
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2015-06-03 23:00:31 +05:30
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tSolutionState, &
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tSolutionParams
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use numerics, only: &
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worldrank, &
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worldsize
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implicit none
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private
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2015-08-04 20:34:53 +05:30
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#include <petsc/finclude/petsc.h90>
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2015-06-03 23:00:31 +05:30
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character (len=*), parameter, public :: &
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spectral_damage_label = 'spectraldamage'
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!--------------------------------------------------------------------------------------------------
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! derived types
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type(tSolutionParams), private :: params
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!--------------------------------------------------------------------------------------------------
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! PETSc data
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SNES, private :: damage_snes
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Vec, private :: solution
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PetscInt, private :: xstart, xend, ystart, yend, zstart, zend
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real(pReal), private, dimension(:,:,:), allocatable :: &
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damage_current, & !< field of current damage
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damage_lastInc, & !< field of previous damage
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damage_stagInc !< field of staggered damage
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!--------------------------------------------------------------------------------------------------
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! reference diffusion tensor, mobility etc.
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integer(pInt), private :: totalIter = 0_pInt !< total iteration in current increment
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real(pReal), dimension(3,3), private :: D_ref
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real(pReal), private :: mobility_ref
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character(len=1024), private :: incInfo
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public :: &
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spectral_damage_init, &
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spectral_damage_solution, &
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spectral_damage_forward, &
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spectral_damage_destroy
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external :: &
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VecDestroy, &
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DMDestroy, &
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DMDACreate3D, &
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DMCreateGlobalVector, &
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DMDASNESSetFunctionLocal, &
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PETScFinalize, &
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SNESDestroy, &
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SNESGetNumberFunctionEvals, &
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SNESGetIterationNumber, &
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SNESSolve, &
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SNESSetDM, &
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SNESGetConvergedReason, &
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SNESSetConvergenceTest, &
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SNESSetFromOptions, &
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SNESCreate, &
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MPI_Abort, &
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MPI_Bcast, &
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MPI_Allreduce
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contains
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!--------------------------------------------------------------------------------------------------
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!> @brief allocates all neccessary fields and fills them with data, potentially from restart info
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!--------------------------------------------------------------------------------------------------
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subroutine spectral_damage_init()
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use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran >4.6 at the moment)
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use IO, only: &
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IO_intOut, &
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IO_read_realFile, &
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IO_timeStamp
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2015-12-16 02:15:54 +05:30
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use spectral_utilities, only: &
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2015-06-03 23:00:31 +05:30
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wgt
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use mesh, only: &
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2015-09-11 14:22:03 +05:30
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grid, &
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grid3
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2015-06-03 23:00:31 +05:30
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use damage_nonlocal, only: &
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damage_nonlocal_getDiffusion33, &
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damage_nonlocal_getMobility
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implicit none
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DM :: damage_grid
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Vec :: uBound, lBound
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PetscErrorCode :: ierr
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PetscObject :: dummy
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integer(pInt), dimension(:), allocatable :: localK
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integer(pInt) :: proc
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integer(pInt) :: i, j, k, cell
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character(len=100) :: snes_type
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mainProcess: if (worldrank == 0_pInt) then
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write(6,'(/,a)') ' <<<+- spectral_damage init -+>>>'
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write(6,'(a15,a)') ' Current time: ',IO_timeStamp()
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#include "compilation_info.f90"
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endif mainProcess
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!--------------------------------------------------------------------------------------------------
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! initialize solver specific parts of PETSc
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call SNESCreate(PETSC_COMM_WORLD,damage_snes,ierr); CHKERRQ(ierr)
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call SNESSetOptionsPrefix(damage_snes,'damage_',ierr);CHKERRQ(ierr)
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2015-09-11 14:22:03 +05:30
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allocate(localK(worldsize), source = 0); localK(worldrank+1) = grid3
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2015-06-03 23:00:31 +05:30
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do proc = 1, worldsize
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call MPI_Bcast(localK(proc),1,MPI_INTEGER,proc-1,PETSC_COMM_WORLD,ierr)
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enddo
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call DMDACreate3d(PETSC_COMM_WORLD, &
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DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, & !< cut off stencil at boundary
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DMDA_STENCIL_BOX, & !< Moore (26) neighborhood around central point
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2015-09-11 14:22:03 +05:30
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grid(1),grid(2),grid(3), & !< global grid
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2015-06-03 23:00:31 +05:30
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1, 1, worldsize, &
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1, 0, & !< #dof (damage phase field), ghost boundary width (domain overlap)
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2015-09-11 14:22:03 +05:30
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grid(1),grid(2),localK, & !< local grid
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2015-06-03 23:00:31 +05:30
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damage_grid,ierr) !< handle, error
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CHKERRQ(ierr)
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call SNESSetDM(damage_snes,damage_grid,ierr); CHKERRQ(ierr) !< connect snes to da
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call DMCreateGlobalVector(damage_grid,solution,ierr); CHKERRQ(ierr) !< global solution vector (grid x 1, i.e. every def grad tensor)
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call DMDASNESSetFunctionLocal(damage_grid,INSERT_VALUES,spectral_damage_formResidual,dummy,ierr) !< residual vector of same shape as solution vector
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CHKERRQ(ierr)
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call SNESSetFromOptions(damage_snes,ierr); CHKERRQ(ierr) !< pull it all together with additional cli arguments
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call SNESGetType(damage_snes,snes_type,ierr); CHKERRQ(ierr)
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if (trim(snes_type) == 'vinewtonrsls' .or. &
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trim(snes_type) == 'vinewtonssls') then
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call DMGetGlobalVector(damage_grid,lBound,ierr); CHKERRQ(ierr)
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call DMGetGlobalVector(damage_grid,uBound,ierr); CHKERRQ(ierr)
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call VecSet(lBound,0.0,ierr); CHKERRQ(ierr)
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call VecSet(uBound,1.0,ierr); CHKERRQ(ierr)
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call SNESVISetVariableBounds(damage_snes,lBound,uBound,ierr) !< variable bounds for variational inequalities like contact mechanics, damage etc.
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call DMRestoreGlobalVector(damage_grid,lBound,ierr); CHKERRQ(ierr)
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call DMRestoreGlobalVector(damage_grid,uBound,ierr); CHKERRQ(ierr)
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endif
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!--------------------------------------------------------------------------------------------------
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! init fields
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call DMDAGetCorners(damage_grid,xstart,ystart,zstart,xend,yend,zend,ierr)
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CHKERRQ(ierr)
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xend = xstart + xend - 1
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yend = ystart + yend - 1
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zend = zstart + zend - 1
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call VecSet(solution,1.0,ierr); CHKERRQ(ierr)
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2015-09-11 14:22:03 +05:30
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allocate(damage_current(grid(1),grid(2),grid3), source=1.0_pReal)
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allocate(damage_lastInc(grid(1),grid(2),grid3), source=1.0_pReal)
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allocate(damage_stagInc(grid(1),grid(2),grid3), source=1.0_pReal)
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2015-06-03 23:00:31 +05:30
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!--------------------------------------------------------------------------------------------------
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! damage reference diffusion update
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cell = 0_pInt
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D_ref = 0.0_pReal
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mobility_ref = 0.0_pReal
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2015-09-11 14:22:03 +05:30
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do k = 1_pInt, grid3; do j = 1_pInt, grid(2); do i = 1_pInt,grid(1)
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2015-06-03 23:00:31 +05:30
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cell = cell + 1_pInt
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D_ref = D_ref + damage_nonlocal_getDiffusion33(1,cell)
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mobility_ref = mobility_ref + damage_nonlocal_getMobility(1,cell)
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enddo; enddo; enddo
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D_ref = D_ref*wgt
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call MPI_Allreduce(MPI_IN_PLACE,D_ref,9,MPI_DOUBLE,MPI_SUM,PETSC_COMM_WORLD,ierr)
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mobility_ref = mobility_ref*wgt
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call MPI_Allreduce(MPI_IN_PLACE,mobility_ref,1,MPI_DOUBLE,MPI_SUM,PETSC_COMM_WORLD,ierr)
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end subroutine spectral_damage_init
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!--------------------------------------------------------------------------------------------------
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!> @brief solution for the spectral damage scheme with internal iterations
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!--------------------------------------------------------------------------------------------------
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type(tSolutionState) function spectral_damage_solution(guess,timeinc,timeinc_old,loadCaseTime)
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use numerics, only: &
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itmax, &
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err_damage_tolAbs, &
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err_damage_tolRel
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2015-12-16 02:15:54 +05:30
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use spectral_utilities, only: &
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2015-06-03 23:00:31 +05:30
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tBoundaryCondition, &
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Utilities_maskedCompliance, &
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Utilities_updateGamma
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use mesh, only: &
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2015-09-11 14:22:03 +05:30
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grid, &
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grid3
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2015-06-03 23:00:31 +05:30
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use damage_nonlocal, only: &
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damage_nonlocal_putNonLocalDamage
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implicit none
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!--------------------------------------------------------------------------------------------------
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! input data for solution
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real(pReal), intent(in) :: &
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timeinc, & !< increment in time for current solution
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timeinc_old, & !< increment in time of last increment
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loadCaseTime !< remaining time of current load case
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logical, intent(in) :: guess
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integer(pInt) :: i, j, k, cell
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PetscInt ::position
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PetscReal :: minDamage, maxDamage, stagNorm, solnNorm
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!--------------------------------------------------------------------------------------------------
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! PETSc Data
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PetscErrorCode :: ierr
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SNESConvergedReason :: reason
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spectral_damage_solution%converged =.false.
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!--------------------------------------------------------------------------------------------------
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! set module wide availabe data
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params%timeinc = timeinc
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params%timeincOld = timeinc_old
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call SNESSolve(damage_snes,PETSC_NULL_OBJECT,solution,ierr); CHKERRQ(ierr)
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call SNESGetConvergedReason(damage_snes,reason,ierr); CHKERRQ(ierr)
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if (reason < 1) then
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spectral_damage_solution%converged = .false.
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spectral_damage_solution%iterationsNeeded = itmax
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else
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spectral_damage_solution%converged = .true.
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spectral_damage_solution%iterationsNeeded = totalIter
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endif
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stagNorm = maxval(abs(damage_current - damage_stagInc))
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solnNorm = maxval(abs(damage_current))
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call MPI_Allreduce(MPI_IN_PLACE,stagNorm,1,MPI_DOUBLE,MPI_MAX,PETSC_COMM_WORLD,ierr)
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call MPI_Allreduce(MPI_IN_PLACE,solnNorm,1,MPI_DOUBLE,MPI_MAX,PETSC_COMM_WORLD,ierr)
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damage_stagInc = damage_current
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spectral_damage_solution%stagConverged = stagNorm < err_damage_tolAbs &
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.or. stagNorm < err_damage_tolRel*solnNorm
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!--------------------------------------------------------------------------------------------------
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! updating damage state
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cell = 0_pInt !< material point = 0
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2015-09-11 14:22:03 +05:30
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do k = 1_pInt, grid3; do j = 1_pInt, grid(2); do i = 1_pInt,grid(1)
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2015-06-03 23:00:31 +05:30
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cell = cell + 1_pInt !< material point increase
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call damage_nonlocal_putNonLocalDamage(damage_current(i,j,k),1,cell)
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enddo; enddo; enddo
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call VecMin(solution,position,minDamage,ierr); CHKERRQ(ierr)
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call VecMax(solution,position,maxDamage,ierr); CHKERRQ(ierr)
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if (worldrank == 0) then
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if (spectral_damage_solution%converged) &
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write(6,'(/,a)') ' ... nonlocal damage converged .....................................'
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write(6,'(/,a,f8.6,2x,f8.6,2x,f8.6,/)',advance='no') ' Minimum|Maximum|Delta Damage = ',&
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minDamage, maxDamage, stagNorm
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write(6,'(/,a)') ' ==========================================================================='
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flush(6)
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endif
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end function spectral_damage_solution
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!--------------------------------------------------------------------------------------------------
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!> @brief forms the spectral damage residual vector
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!--------------------------------------------------------------------------------------------------
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subroutine spectral_damage_formResidual(in,x_scal,f_scal,dummy,ierr)
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2015-06-22 19:57:32 +05:30
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use numerics, only: &
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residualStiffness
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2015-06-03 23:00:31 +05:30
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use mesh, only: &
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2015-09-11 14:22:03 +05:30
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grid, &
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grid3
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2015-06-03 23:00:31 +05:30
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use math, only: &
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math_mul33x3
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2015-12-16 02:15:54 +05:30
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use spectral_utilities, only: &
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2015-09-11 14:22:03 +05:30
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scalarField_real, &
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vectorField_real, &
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2015-06-03 23:00:31 +05:30
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utilities_FFTvectorForward, &
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utilities_FFTvectorBackward, &
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utilities_FFTscalarForward, &
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utilities_FFTscalarBackward, &
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utilities_fourierGreenConvolution, &
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utilities_fourierScalarGradient, &
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utilities_fourierVectorDivergence
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use damage_nonlocal, only: &
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damage_nonlocal_getSourceAndItsTangent,&
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damage_nonlocal_getDiffusion33, &
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damage_nonlocal_getMobility
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implicit none
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DMDALocalInfo, dimension(DMDA_LOCAL_INFO_SIZE) :: &
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in
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PetscScalar, dimension( &
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XG_RANGE,YG_RANGE,ZG_RANGE) :: &
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x_scal
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PetscScalar, dimension( &
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X_RANGE,Y_RANGE,Z_RANGE) :: &
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f_scal
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PetscObject :: dummy
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PetscErrorCode :: ierr
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integer(pInt) :: i, j, k, cell
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real(pReal) :: phiDot, dPhiDot_dPhi, mobility
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damage_current = x_scal
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!--------------------------------------------------------------------------------------------------
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! evaluate polarization field
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2015-09-11 14:22:03 +05:30
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scalarField_real = 0.0_pReal
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scalarField_real(1:grid(1),1:grid(2),1:grid3) = damage_current
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2015-06-03 23:00:31 +05:30
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call utilities_FFTscalarForward()
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call utilities_fourierScalarGradient() !< calculate gradient of damage field
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call utilities_FFTvectorBackward()
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cell = 0_pInt
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2015-09-11 14:22:03 +05:30
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do k = 1_pInt, grid3; do j = 1_pInt, grid(2); do i = 1_pInt,grid(1)
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2015-06-03 23:00:31 +05:30
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cell = cell + 1_pInt
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2015-09-11 14:22:03 +05:30
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vectorField_real(1:3,i,j,k) = math_mul33x3(damage_nonlocal_getDiffusion33(1,cell) - D_ref, &
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vectorField_real(1:3,i,j,k))
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2015-06-03 23:00:31 +05:30
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enddo; enddo; enddo
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call utilities_FFTvectorForward()
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call utilities_fourierVectorDivergence() !< calculate damage divergence in fourier field
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call utilities_FFTscalarBackward()
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cell = 0_pInt
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2015-09-11 14:22:03 +05:30
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do k = 1_pInt, grid3; do j = 1_pInt, grid(2); do i = 1_pInt,grid(1)
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2015-06-03 23:00:31 +05:30
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cell = cell + 1_pInt
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call damage_nonlocal_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, damage_current(i,j,k), 1, cell)
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mobility = damage_nonlocal_getMobility(1,cell)
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2015-09-11 14:22:03 +05:30
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scalarField_real(i,j,k) = params%timeinc*scalarField_real(i,j,k) + &
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params%timeinc*phiDot + &
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mobility*damage_lastInc(i,j,k) - &
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mobility*damage_current(i,j,k) + &
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mobility_ref*damage_current(i,j,k)
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2015-06-03 23:00:31 +05:30
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enddo; enddo; enddo
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!--------------------------------------------------------------------------------------------------
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! convolution of damage field with green operator
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call utilities_FFTscalarForward()
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call utilities_fourierGreenConvolution(D_ref, mobility_ref, params%timeinc)
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call utilities_FFTscalarBackward()
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2015-10-07 18:37:21 +05:30
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where(scalarField_real(1:grid(1),1:grid(2),1:grid3) > damage_lastInc) &
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scalarField_real(1:grid(1),1:grid(2),1:grid3) = damage_lastInc
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where(scalarField_real(1:grid(1),1:grid(2),1:grid3) < residualStiffness) &
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scalarField_real(1:grid(1),1:grid(2),1:grid3) = residualStiffness
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2015-06-03 23:00:31 +05:30
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!--------------------------------------------------------------------------------------------------
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! constructing residual
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2015-09-11 14:22:03 +05:30
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f_scal = scalarField_real(1:grid(1),1:grid(2),1:grid3) - damage_current
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2015-06-03 23:00:31 +05:30
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end subroutine spectral_damage_formResidual
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!--------------------------------------------------------------------------------------------------
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!> @brief spectral damage forwarding routine
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!--------------------------------------------------------------------------------------------------
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subroutine spectral_damage_forward(guess,timeinc,timeinc_old,loadCaseTime)
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use mesh, only: &
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2015-09-11 14:22:03 +05:30
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grid, &
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grid3
|
2015-12-16 02:15:54 +05:30
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use spectral_utilities, only: &
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2015-06-03 23:00:31 +05:30
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cutBack, &
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wgt
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use damage_nonlocal, only: &
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damage_nonlocal_putNonLocalDamage, &
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damage_nonlocal_getDiffusion33, &
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damage_nonlocal_getMobility
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implicit none
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real(pReal), intent(in) :: &
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timeinc_old, &
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timeinc, &
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loadCaseTime !< remaining time of current load case
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logical, intent(in) :: guess
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PetscErrorCode :: ierr
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integer(pInt) :: i, j, k, cell
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DM :: dm_local
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PetscScalar, dimension(:,:,:), pointer :: x_scal
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if (cutBack) then
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damage_current = damage_lastInc
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damage_stagInc = damage_lastInc
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!--------------------------------------------------------------------------------------------------
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|
! reverting damage field state
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cell = 0_pInt
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call SNESGetDM(damage_snes,dm_local,ierr); CHKERRQ(ierr)
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call DMDAVecGetArrayF90(dm_local,solution,x_scal,ierr); CHKERRQ(ierr) !< get the data out of PETSc to work with
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|
x_scal(xstart:xend,ystart:yend,zstart:zend) = damage_current
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call DMDAVecRestoreArrayF90(dm_local,solution,x_scal,ierr); CHKERRQ(ierr)
|
2015-09-11 14:22:03 +05:30
|
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|
do k = 1_pInt, grid3; do j = 1_pInt, grid(2); do i = 1_pInt,grid(1)
|
2015-06-03 23:00:31 +05:30
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|
cell = cell + 1_pInt
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|
call damage_nonlocal_putNonLocalDamage(damage_current(i,j,k),1,cell)
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|
|
enddo; enddo; enddo
|
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|
else
|
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|
!--------------------------------------------------------------------------------------------------
|
|
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|
|
! update rate and forward last inc
|
|
|
|
|
damage_lastInc = damage_current
|
|
|
|
|
cell = 0_pInt
|
|
|
|
|
D_ref = 0.0_pReal
|
|
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|
|
mobility_ref = 0.0_pReal
|
2015-09-11 14:22:03 +05:30
|
|
|
do k = 1_pInt, grid3; do j = 1_pInt, grid(2); do i = 1_pInt,grid(1)
|
2015-06-03 23:00:31 +05:30
|
|
|
cell = cell + 1_pInt
|
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|
|
D_ref = D_ref + damage_nonlocal_getDiffusion33(1,cell)
|
|
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|
|
mobility_ref = mobility_ref + damage_nonlocal_getMobility(1,cell)
|
|
|
|
|
enddo; enddo; enddo
|
|
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|
|
D_ref = D_ref*wgt
|
|
|
|
|
call MPI_Allreduce(MPI_IN_PLACE,D_ref,9,MPI_DOUBLE,MPI_SUM,PETSC_COMM_WORLD,ierr)
|
|
|
|
|
mobility_ref = mobility_ref*wgt
|
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|
|
call MPI_Allreduce(MPI_IN_PLACE,mobility_ref,1,MPI_DOUBLE,MPI_SUM,PETSC_COMM_WORLD,ierr)
|
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|
|
endif
|
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|
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|
|
end subroutine spectral_damage_forward
|
|
|
|
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
|
|
|
!> @brief destroy routine
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
|
|
|
subroutine spectral_damage_destroy()
|
|
|
|
|
|
|
|
|
|
implicit none
|
|
|
|
|
PetscErrorCode :: ierr
|
|
|
|
|
|
|
|
|
|
call VecDestroy(solution,ierr); CHKERRQ(ierr)
|
|
|
|
|
call SNESDestroy(damage_snes,ierr); CHKERRQ(ierr)
|
|
|
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|
|
|
end subroutine spectral_damage_destroy
|
|
|
|
|
|
|
|
|
|
end module spectral_damage
|
