2015-05-28 22:32:23 +05:30
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!--------------------------------------------------------------------------------------------------
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! $Id$
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!--------------------------------------------------------------------------------------------------
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!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
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!> @brief material subroutine for locally evolving damage field
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!--------------------------------------------------------------------------------------------------
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module damage_local
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use prec, only: &
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pReal, &
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pInt
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implicit none
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private
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integer(pInt), dimension(:), allocatable, public, protected :: &
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damage_local_sizePostResults !< cumulative size of post results
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integer(pInt), dimension(:,:), allocatable, target, public :: &
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damage_local_sizePostResult !< size of each post result output
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character(len=64), dimension(:,:), allocatable, target, public :: &
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damage_local_output !< name of each post result output
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integer(pInt), dimension(:), allocatable, target, public :: &
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damage_local_Noutput !< number of outputs per instance of this damage
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enum, bind(c)
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enumerator :: undefined_ID, &
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damage_ID
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end enum
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integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: &
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damage_local_outputID !< ID of each post result output
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public :: &
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damage_local_init, &
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damage_local_updateState, &
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damage_local_postResults
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private :: &
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damage_local_getSourceAndItsTangent
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contains
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!--------------------------------------------------------------------------------------------------
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!> @brief allocates all neccessary fields, reads information from material configuration file
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!--------------------------------------------------------------------------------------------------
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subroutine damage_local_init(fileUnit)
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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_read, &
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IO_lc, &
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IO_getTag, &
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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_warning, &
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IO_error, &
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IO_timeStamp, &
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IO_EOF
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use material, only: &
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damage_type, &
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damage_typeInstance, &
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homogenization_Noutput, &
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DAMAGE_local_label, &
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DAMAGE_local_ID, &
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material_homog, &
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mappingHomogenization, &
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damageState, &
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damageMapping, &
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damage, &
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material_partHomogenization
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use numerics,only: &
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worldrank
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implicit none
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integer(pInt), intent(in) :: fileUnit
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integer(pInt), parameter :: MAXNCHUNKS = 7_pInt
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integer(pInt), dimension(1+2*MAXNCHUNKS) :: positions
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integer(pInt) :: maxNinstance,mySize=0_pInt,homog,instance,o
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integer(pInt) :: sizeState
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integer(pInt) :: NofMyHomog
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character(len=65536) :: &
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tag = '', &
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line = ''
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mainProcess: if (worldrank == 0) then
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write(6,'(/,a)') ' <<<+- damage_'//DAMAGE_local_label//' init -+>>>'
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write(6,'(a)') ' $Id$'
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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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maxNinstance = int(count(damage_type == DAMAGE_local_ID),pInt)
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if (maxNinstance == 0_pInt) return
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allocate(damage_local_sizePostResults(maxNinstance), source=0_pInt)
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allocate(damage_local_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0_pInt)
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allocate(damage_local_output (maxval(homogenization_Noutput),maxNinstance))
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damage_local_output = ''
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allocate(damage_local_outputID (maxval(homogenization_Noutput),maxNinstance),source=undefined_ID)
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allocate(damage_local_Noutput (maxNinstance), source=0_pInt)
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rewind(fileUnit)
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homog = 0_pInt
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do while (trim(line) /= IO_EOF .and. IO_lc(IO_getTag(line,'<','>')) /= material_partHomogenization)! wind forward to <homogenization>
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line = IO_read(fileUnit)
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enddo
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parsingFile: do while (trim(line) /= IO_EOF) ! read through sections of homog part
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line = IO_read(fileUnit)
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if (IO_isBlank(line)) cycle ! skip empty lines
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if (IO_getTag(line,'<','>') /= '') then ! stop at next part
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line = IO_read(fileUnit, .true.) ! reset IO_read
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exit
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endif
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if (IO_getTag(line,'[',']') /= '') then ! next homog section
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homog = homog + 1_pInt ! advance homog section counter
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cycle ! skip to next line
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endif
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if (homog > 0_pInt ) then; if (damage_type(homog) == DAMAGE_local_ID) then ! do not short-circuit here (.and. with next if statemen). It's not safe in Fortran
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instance = damage_typeInstance(homog) ! which instance of my damage is present homog
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positions = IO_stringPos(line,MAXNCHUNKS)
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tag = IO_lc(IO_stringValue(line,positions,1_pInt)) ! extract key
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select case(tag)
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case ('(output)')
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select case(IO_lc(IO_stringValue(line,positions,2_pInt)))
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case ('damage')
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damage_local_Noutput(instance) = damage_local_Noutput(instance) + 1_pInt
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damage_local_outputID(damage_local_Noutput(instance),instance) = damage_ID
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damage_local_output(damage_local_Noutput(instance),instance) = &
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IO_lc(IO_stringValue(line,positions,2_pInt))
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end select
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end select
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endif; endif
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enddo parsingFile
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initializeInstances: do homog = 1_pInt, size(damage_type)
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myhomog: if (damage_type(homog) == DAMAGE_local_ID) then
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NofMyHomog = count(material_homog == homog)
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instance = damage_typeInstance(homog)
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!--------------------------------------------------------------------------------------------------
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! Determine size of postResults array
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outputsLoop: do o = 1_pInt,damage_local_Noutput(instance)
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select case(damage_local_outputID(o,instance))
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case(damage_ID)
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mySize = 1_pInt
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end select
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if (mySize > 0_pInt) then ! any meaningful output found
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damage_local_sizePostResult(o,instance) = mySize
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damage_local_sizePostResults(instance) = damage_local_sizePostResults(instance) + mySize
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endif
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enddo outputsLoop
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! allocate state arrays
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sizeState = 1_pInt
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damageState(homog)%sizeState = sizeState
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damageState(homog)%sizePostResults = damage_local_sizePostResults(instance)
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allocate(damageState(homog)%state0 (sizeState,NofMyHomog))
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allocate(damageState(homog)%subState0(sizeState,NofMyHomog))
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allocate(damageState(homog)%state (sizeState,NofMyHomog))
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nullify(damageMapping(homog)%p)
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damageMapping(homog)%p => mappingHomogenization(1,:,:)
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deallocate(damage(homog)%p)
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damage(homog)%p => damageState(homog)%state(1,:)
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endif myhomog
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enddo initializeInstances
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end subroutine damage_local_init
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates local change in damage field
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!--------------------------------------------------------------------------------------------------
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function damage_local_updateState(subdt, ip, el)
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use numerics, only: &
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2015-06-11 14:33:51 +05:30
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residualStiffness, &
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2015-05-28 22:32:23 +05:30
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err_damage_tolAbs, &
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err_damage_tolRel
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use material, only: &
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mappingHomogenization, &
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damageState
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implicit none
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integer(pInt), intent(in) :: &
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ip, & !< integration point number
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el !< element number
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real(pReal), intent(in) :: &
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subdt
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logical, dimension(2) :: &
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damage_local_updateState
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integer(pInt) :: &
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homog, &
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offset
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real(pReal) :: &
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phi, phiDot, dPhiDot_dPhi
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homog = mappingHomogenization(2,ip,el)
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offset = mappingHomogenization(1,ip,el)
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phi = damageState(homog)%subState0(1,offset)
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call damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el)
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phi = max(residualStiffness,min(1.0_pReal,phi + subdt*phiDot))
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2015-05-28 22:32:23 +05:30
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damage_local_updateState = [ abs(phi - damageState(homog)%state(1,offset)) &
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<= err_damage_tolAbs &
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.or. abs(phi - damageState(homog)%state(1,offset)) &
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<= err_damage_tolRel*abs(damageState(homog)%state(1,offset)), &
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.true.]
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damageState(homog)%state(1,offset) = phi
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end function damage_local_updateState
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!--------------------------------------------------------------------------------------------------
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!> @brief calculates homogenized local damage driving forces
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!--------------------------------------------------------------------------------------------------
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subroutine damage_local_getSourceAndItsTangent(phiDot, dPhiDot_dPhi, phi, ip, el)
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use material, only: &
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homogenization_Ngrains, &
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mappingHomogenization, &
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mappingConstitutive, &
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phase_source, &
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phase_Nsources, &
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SOURCE_damage_isoBrittle_ID, &
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SOURCE_damage_isoDuctile_ID, &
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SOURCE_damage_anisoBrittle_ID, &
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SOURCE_damage_anisoDuctile_ID
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use source_damage_isoBrittle, only: &
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source_damage_isobrittle_getRateAndItsTangent
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use source_damage_isoDuctile, only: &
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source_damage_isoductile_getRateAndItsTangent
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use source_damage_anisoBrittle, only: &
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source_damage_anisobrittle_getRateAndItsTangent
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use source_damage_anisoDuctile, only: &
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source_damage_anisoductile_getRateAndItsTangent
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implicit none
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integer(pInt), intent(in) :: &
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ip, & !< integration point number
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el !< element number
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real(pReal), intent(in) :: &
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phi
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integer(pInt) :: &
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phase, &
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grain, &
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source
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real(pReal) :: &
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phiDot, dPhiDot_dPhi, localphiDot, dLocalphiDot_dPhi
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phiDot = 0.0_pReal
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dPhiDot_dPhi = 0.0_pReal
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do grain = 1, homogenization_Ngrains(mappingHomogenization(2,ip,el))
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phase = mappingConstitutive(2,grain,ip,el)
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do source = 1, phase_Nsources(phase)
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select case(phase_source(source,phase))
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case (SOURCE_damage_isoBrittle_ID)
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call source_damage_isobrittle_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
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case (SOURCE_damage_isoDuctile_ID)
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call source_damage_isoductile_getRateAndItsTangent (localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
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case (SOURCE_damage_anisoBrittle_ID)
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call source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
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case (SOURCE_damage_anisoDuctile_ID)
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call source_damage_anisoductile_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, grain, ip, el)
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case default
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localphiDot = 0.0_pReal
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dLocalphiDot_dPhi = 0.0_pReal
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end select
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phiDot = phiDot + localphiDot
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dPhiDot_dPhi = dPhiDot_dPhi + dLocalphiDot_dPhi
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enddo
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enddo
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phiDot = phiDot/homogenization_Ngrains(mappingHomogenization(2,ip,el))
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dPhiDot_dPhi = dPhiDot_dPhi/homogenization_Ngrains(mappingHomogenization(2,ip,el))
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end subroutine damage_local_getSourceAndItsTangent
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!--------------------------------------------------------------------------------------------------
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!> @brief return array of damage results
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!--------------------------------------------------------------------------------------------------
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function damage_local_postResults(ip,el)
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use material, only: &
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mappingHomogenization, &
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damage_typeInstance, &
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damageMapping, &
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damage
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implicit none
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integer(pInt), intent(in) :: &
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ip, & !< integration point
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el !< element
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real(pReal), dimension(damage_local_sizePostResults(damage_typeInstance(mappingHomogenization(2,ip,el)))) :: &
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damage_local_postResults
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integer(pInt) :: &
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instance, homog, offset, o, c
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homog = mappingHomogenization(2,ip,el)
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offset = damageMapping(homog)%p(ip,el)
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instance = damage_typeInstance(homog)
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c = 0_pInt
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damage_local_postResults = 0.0_pReal
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do o = 1_pInt,damage_local_Noutput(instance)
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select case(damage_local_outputID(o,instance))
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case (damage_ID)
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damage_local_postResults(c+1_pInt) = damage(homog)%p(offset)
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c = c + 1
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end select
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enddo
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end function damage_local_postResults
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end module damage_local
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