219 lines
9.4 KiB
Fortran
219 lines
9.4 KiB
Fortran
!--------------------------------------------------------------------------------------------------
|
|
!> @author Luv Sharma, Max-Planck-Institut für Eisenforschung GmbH
|
|
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
|
|
!> @brief material subroutine incorporating anisotropic brittle damage source mechanism
|
|
!> @details to be done
|
|
!--------------------------------------------------------------------------------------------------
|
|
submodule (constitutive:constitutive_damage) source_damage_anisoBrittle
|
|
|
|
integer, dimension(:), allocatable :: &
|
|
source_damage_anisoBrittle_offset, & !< which source is my current source mechanism?
|
|
source_damage_anisoBrittle_instance !< instance of source mechanism
|
|
|
|
type :: tParameters !< container type for internal constitutive parameters
|
|
real(pReal) :: &
|
|
sdot_0, & !< opening rate of cleavage planes
|
|
n !< damage rate sensitivity
|
|
real(pReal), dimension(:), allocatable :: &
|
|
critDisp, & !< critical displacement
|
|
critLoad !< critical load
|
|
real(pReal), dimension(:,:,:,:), allocatable :: &
|
|
cleavage_systems
|
|
integer :: &
|
|
sum_N_cl !< total number of cleavage planes
|
|
character(len=pStringLen), allocatable, dimension(:) :: &
|
|
output
|
|
end type tParameters
|
|
|
|
type(tParameters), dimension(:), allocatable :: param !< containers of constitutive parameters (len Ninstance)
|
|
|
|
|
|
contains
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief module initialization
|
|
!> @details reads in material parameters, allocates arrays, and does sanity checks
|
|
!--------------------------------------------------------------------------------------------------
|
|
module function source_damage_anisoBrittle_init(source_length) result(mySources)
|
|
|
|
integer, intent(in) :: source_length
|
|
logical, dimension(:,:), allocatable :: mySources
|
|
|
|
class(tNode), pointer :: &
|
|
phases, &
|
|
phase, &
|
|
sources, &
|
|
src
|
|
integer :: Ninstance,sourceOffset,NipcMyPhase,p
|
|
integer, dimension(:), allocatable :: N_cl
|
|
character(len=pStringLen) :: extmsg = ''
|
|
|
|
print'(/,a)', ' <<<+- source_damage_anisoBrittle init -+>>>'
|
|
|
|
mySources = source_active('damage_anisoBrittle',source_length)
|
|
Ninstance = count(mySources)
|
|
print'(a,i2)', ' # instances: ',Ninstance; flush(6)
|
|
if(Ninstance == 0) return
|
|
|
|
phases => config_material%get('phase')
|
|
allocate(param(Ninstance))
|
|
allocate(source_damage_anisoBrittle_offset (phases%length), source=0)
|
|
allocate(source_damage_anisoBrittle_instance(phases%length), source=0)
|
|
|
|
do p = 1, phases%length
|
|
phase => phases%get(p)
|
|
if(any(mySources(:,p))) source_damage_anisoBrittle_instance(p) = count(mySources(:,1:p))
|
|
if(count(mySources(:,p)) == 0) cycle
|
|
sources => phase%get('source')
|
|
do sourceOffset = 1, sources%length
|
|
if(mySources(sourceOffset,p)) then
|
|
source_damage_anisoBrittle_offset(p) = sourceOffset
|
|
associate(prm => param(source_damage_anisoBrittle_instance(p)))
|
|
src => sources%get(sourceOffset)
|
|
|
|
N_cl = src%get_asInts('N_cl',defaultVal=emptyIntArray)
|
|
prm%sum_N_cl = sum(abs(N_cl))
|
|
|
|
prm%n = src%get_asFloat('q')
|
|
prm%sdot_0 = src%get_asFloat('dot_o')
|
|
|
|
prm%critDisp = src%get_asFloats('s_crit', requiredSize=size(N_cl))
|
|
prm%critLoad = src%get_asFloats('g_crit', requiredSize=size(N_cl))
|
|
|
|
prm%cleavage_systems = lattice_SchmidMatrix_cleavage(N_cl,phase%get_asString('lattice'),&
|
|
phase%get_asFloat('c/a',defaultVal=0.0_pReal))
|
|
|
|
! expand: family => system
|
|
prm%critDisp = math_expand(prm%critDisp,N_cl)
|
|
prm%critLoad = math_expand(prm%critLoad,N_cl)
|
|
|
|
#if defined (__GFORTRAN__)
|
|
prm%output = output_asStrings(src)
|
|
#else
|
|
prm%output = src%get_asStrings('output',defaultVal=emptyStringArray)
|
|
#endif
|
|
|
|
! sanity checks
|
|
if (prm%n <= 0.0_pReal) extmsg = trim(extmsg)//' q'
|
|
if (prm%sdot_0 <= 0.0_pReal) extmsg = trim(extmsg)//' dot_o'
|
|
if (any(prm%critLoad < 0.0_pReal)) extmsg = trim(extmsg)//' g_crit'
|
|
if (any(prm%critDisp < 0.0_pReal)) extmsg = trim(extmsg)//' s_crit'
|
|
|
|
NipcMyPhase = count(material_phaseAt==p) * discretization_nIP
|
|
call constitutive_allocateState(sourceState(p)%p(sourceOffset),NipcMyPhase,1,1,0)
|
|
sourceState(p)%p(sourceOffset)%atol = src%get_asFloat('anisobrittle_atol',defaultVal=1.0e-3_pReal)
|
|
if(any(sourceState(p)%p(sourceOffset)%atol < 0.0_pReal)) extmsg = trim(extmsg)//' anisobrittle_atol'
|
|
|
|
end associate
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
! exit if any parameter is out of range
|
|
if (extmsg /= '') call IO_error(211,ext_msg=trim(extmsg)//'(damage_anisoBrittle)')
|
|
endif
|
|
enddo
|
|
enddo
|
|
|
|
end function source_damage_anisoBrittle_init
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief calculates derived quantities from state
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine source_damage_anisoBrittle_dotState(S, ipc, ip, el)
|
|
|
|
integer, intent(in) :: &
|
|
ipc, & !< component-ID of integration point
|
|
ip, & !< integration point
|
|
el !< element
|
|
real(pReal), intent(in), dimension(3,3) :: &
|
|
S
|
|
|
|
integer :: &
|
|
phase, &
|
|
constituent, &
|
|
sourceOffset, &
|
|
damageOffset, &
|
|
homog, &
|
|
i
|
|
real(pReal) :: &
|
|
traction_d, traction_t, traction_n, traction_crit
|
|
|
|
phase = material_phaseAt(ipc,el)
|
|
constituent = material_phasememberAt(ipc,ip,el)
|
|
sourceOffset = source_damage_anisoBrittle_offset(phase)
|
|
homog = material_homogenizationAt(el)
|
|
damageOffset = damageMapping(homog)%p(ip,el)
|
|
|
|
associate(prm => param(source_damage_anisoBrittle_instance(phase)))
|
|
sourceState(phase)%p(sourceOffset)%dotState(1,constituent) = 0.0_pReal
|
|
do i = 1, prm%sum_N_cl
|
|
traction_d = math_tensordot(S,prm%cleavage_systems(1:3,1:3,1,i))
|
|
traction_t = math_tensordot(S,prm%cleavage_systems(1:3,1:3,2,i))
|
|
traction_n = math_tensordot(S,prm%cleavage_systems(1:3,1:3,3,i))
|
|
|
|
traction_crit = prm%critLoad(i)*damage(homog)%p(damageOffset)**2.0_pReal
|
|
|
|
sourceState(phase)%p(sourceOffset)%dotState(1,constituent) &
|
|
= sourceState(phase)%p(sourceOffset)%dotState(1,constituent) &
|
|
+ prm%sdot_0 / prm%critDisp(i) &
|
|
* ((max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**prm%n + &
|
|
(max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**prm%n + &
|
|
(max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**prm%n)
|
|
enddo
|
|
end associate
|
|
|
|
end subroutine source_damage_anisoBrittle_dotState
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief returns local part of nonlocal damage driving force
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine source_damage_anisobrittle_getRateAndItsTangent(localphiDot, dLocalphiDot_dPhi, phi, phase, constituent)
|
|
|
|
integer, intent(in) :: &
|
|
phase, &
|
|
constituent
|
|
real(pReal), intent(in) :: &
|
|
phi
|
|
real(pReal), intent(out) :: &
|
|
localphiDot, &
|
|
dLocalphiDot_dPhi
|
|
|
|
integer :: &
|
|
sourceOffset
|
|
|
|
sourceOffset = source_damage_anisoBrittle_offset(phase)
|
|
|
|
dLocalphiDot_dPhi = -sourceState(phase)%p(sourceOffset)%state(1,constituent)
|
|
|
|
localphiDot = 1.0_pReal &
|
|
+ dLocalphiDot_dPhi*phi
|
|
|
|
end subroutine source_damage_anisoBrittle_getRateAndItsTangent
|
|
|
|
|
|
!--------------------------------------------------------------------------------------------------
|
|
!> @brief writes results to HDF5 output file
|
|
!--------------------------------------------------------------------------------------------------
|
|
module subroutine source_damage_anisoBrittle_results(phase,group)
|
|
|
|
integer, intent(in) :: phase
|
|
character(len=*), intent(in) :: group
|
|
|
|
integer :: o
|
|
|
|
associate(prm => param(source_damage_anisoBrittle_instance(phase)), &
|
|
stt => sourceState(phase)%p(source_damage_anisoBrittle_offset(phase))%state)
|
|
outputsLoop: do o = 1,size(prm%output)
|
|
select case(trim(prm%output(o)))
|
|
case ('f_phi')
|
|
call results_writeDataset(group,stt,trim(prm%output(o)),'driving force','J/m³')
|
|
end select
|
|
enddo outputsLoop
|
|
end associate
|
|
|
|
end subroutine source_damage_anisoBrittle_results
|
|
|
|
end submodule source_damage_anisoBrittle
|