DAMASK_EICMD/src/phase_thermal.f90

348 lines
11 KiB
Fortran

!----------------------------------------------------------------------------------------------------
!> @brief internal microstructure state for all thermal sources and kinematics constitutive models
!----------------------------------------------------------------------------------------------------
submodule(phase) thermal
type :: tThermalParameters
real(pReal) :: C_p = 0.0_pReal !< heat capacity
real(pReal), dimension(3,3) :: K = 0.0_pReal !< thermal conductivity
end type tThermalParameters
integer, dimension(:), allocatable :: &
thermal_Nsources
type(tSourceState), allocatable, dimension(:) :: &
thermalState
enum, bind(c); enumerator :: &
THERMAL_UNDEFINED_ID ,&
THERMAL_DISSIPATION_ID, &
THERMAL_EXTERNALHEAT_ID
end enum
type :: tDataContainer ! ?? not very telling name. Better: "fieldQuantities" ??
real(pReal), dimension(:), allocatable :: T, dot_T
end type tDataContainer
integer(kind(THERMAL_UNDEFINED_ID)), dimension(:,:), allocatable :: &
thermal_source
type(tDataContainer), dimension(:), allocatable :: current ! ?? not very telling name. Better: "field" ?? MD: current(ho)%T(en) reads quite good
type(tThermalParameters), dimension(:), allocatable :: param
integer :: thermal_source_maxSizeDotState
interface
module function dissipation_init(source_length) result(mySources)
integer, intent(in) :: source_length
logical, dimension(:,:), allocatable :: mySources
end function dissipation_init
module function externalheat_init(source_length) result(mySources)
integer, intent(in) :: source_length
logical, dimension(:,:), allocatable :: mySources
end function externalheat_init
module subroutine externalheat_dotState(ph, en)
integer, intent(in) :: &
ph, &
en
end subroutine externalheat_dotState
module function dissipation_f_T(ph,en) result(f_T)
integer, intent(in) :: &
ph, &
en
real(pReal) :: f_T
end function dissipation_f_T
module function externalheat_f_T(ph,en) result(f_T)
integer, intent(in) :: &
ph, &
en
real(pReal) :: f_T
end function externalheat_f_T
end interface
contains
!----------------------------------------------------------------------------------------------
!< @brief initializes thermal sources and kinematics mechanism
!----------------------------------------------------------------------------------------------
module subroutine thermal_init(phases)
class(tNode), pointer :: &
phases
class(tNode), pointer :: &
phase, thermal, sources
integer :: &
ph, so, &
Nmembers
print'(/,1x,a)', '<<<+- phase:thermal init -+>>>'
allocate(current(phases%length))
allocate(thermalState(phases%length))
allocate(thermal_Nsources(phases%length),source = 0)
allocate(param(phases%length))
do ph = 1, phases%length
Nmembers = count(material_phaseID == ph)
allocate(current(ph)%T(Nmembers),source=300.0_pReal)
allocate(current(ph)%dot_T(Nmembers),source=0.0_pReal)
phase => phases%get(ph)
thermal => phase%get('thermal',defaultVal=emptyDict)
param(ph)%C_p = thermal%get_asFloat('C_p',defaultVal=0.0_pReal) ! ToDo: make mandatory?
param(ph)%K(1,1) = thermal%get_asFloat('K_11',defaultVal=0.0_pReal) ! ToDo: make mandatory?
param(ph)%K(3,3) = thermal%get_asFloat('K_33',defaultVal=0.0_pReal) ! ToDo: depends on symmtery
param(ph)%K = lattice_symmetrize_33(param(ph)%K,phase_lattice(ph))
sources => thermal%get('source',defaultVal=emptyList)
thermal_Nsources(ph) = sources%length
allocate(thermalstate(ph)%p(thermal_Nsources(ph)))
enddo
allocate(thermal_source(maxval(thermal_Nsources),phases%length), source = THERMAL_UNDEFINED_ID)
if (maxval(thermal_Nsources) /= 0) then
where(dissipation_init (maxval(thermal_Nsources))) thermal_source = THERMAL_DISSIPATION_ID
where(externalheat_init(maxval(thermal_Nsources))) thermal_source = THERMAL_EXTERNALHEAT_ID
endif
thermal_source_maxSizeDotState = 0
do ph = 1,phases%length
do so = 1,thermal_Nsources(ph)
thermalState(ph)%p(so)%state = thermalState(ph)%p(so)%state0
enddo
thermal_source_maxSizeDotState = max(thermal_source_maxSizeDotState, &
maxval(thermalState(ph)%p%sizeDotState))
enddo
end subroutine thermal_init
!----------------------------------------------------------------------------------------------
!< @brief calculates thermal dissipation rate
!----------------------------------------------------------------------------------------------
module function phase_f_T(ph,en) result(f)
integer, intent(in) :: ph, en
real(pReal) :: f
integer :: so
f = 0.0_pReal
do so = 1, thermal_Nsources(ph)
select case(thermal_source(so,ph))
case (THERMAL_DISSIPATION_ID)
f = f + dissipation_f_T(ph,en)
case (THERMAL_EXTERNALHEAT_ID)
f = f + externalheat_f_T(ph,en)
end select
enddo
end function phase_f_T
!--------------------------------------------------------------------------------------------------
!> @brief contains the constitutive equation for calculating the rate of change of microstructure
!--------------------------------------------------------------------------------------------------
function phase_thermal_collectDotState(ph,en) result(broken)
integer, intent(in) :: ph, en
logical :: broken
integer :: i
broken = .false.
SourceLoop: do i = 1, thermal_Nsources(ph)
if (thermal_source(i,ph) == THERMAL_EXTERNALHEAT_ID) &
call externalheat_dotState(ph,en)
broken = broken .or. any(IEEE_is_NaN(thermalState(ph)%p(i)%dotState(:,en)))
enddo SourceLoop
end function phase_thermal_collectDotState
!--------------------------------------------------------------------------------------------------
!> @brief Thermal viscosity.
!--------------------------------------------------------------------------------------------------
module function phase_mu_T(co,ce) result(mu)
integer, intent(in) :: co, ce
real(pReal) :: mu
mu = phase_rho(material_phaseID(co,ce)) &
* param(material_phaseID(co,ce))%C_p
end function phase_mu_T
!--------------------------------------------------------------------------------------------------
!> @brief Thermal conductivity/diffusivity in reference configuration.
!--------------------------------------------------------------------------------------------------
module function phase_K_T(co,ce) result(K)
integer, intent(in) :: co, ce
real(pReal), dimension(3,3) :: K
K = crystallite_push33ToRef(co,ce,param(material_phaseID(co,ce))%K)
end function phase_K_T
module function phase_thermal_constitutive(Delta_t,ph,en) result(converged_)
real(pReal), intent(in) :: Delta_t
integer, intent(in) :: ph, en
logical :: converged_
converged_ = .not. integrateThermalState(Delta_t,ph,en)
end function phase_thermal_constitutive
!--------------------------------------------------------------------------------------------------
!> @brief integrate state with 1st order explicit Euler method
!--------------------------------------------------------------------------------------------------
function integrateThermalState(Delta_t, ph,en) result(broken)
real(pReal), intent(in) :: Delta_t
integer, intent(in) :: ph, en
logical :: &
broken
integer :: &
so, &
sizeDotState
broken = phase_thermal_collectDotState(ph,en)
if (broken) return
do so = 1, thermal_Nsources(ph)
sizeDotState = thermalState(ph)%p(so)%sizeDotState
thermalState(ph)%p(so)%state(1:sizeDotState,en) = thermalState(ph)%p(so)%state0(1:sizeDotState,en) &
+ thermalState(ph)%p(so)%dotState(1:sizeDotState,en) * Delta_t
enddo
end function integrateThermalState
module subroutine thermal_forward()
integer :: ph, so
do ph = 1, size(thermalState)
do so = 1, size(thermalState(ph)%p)
thermalState(ph)%p(so)%state0 = thermalState(ph)%p(so)%state
enddo
enddo
end subroutine thermal_forward
!----------------------------------------------------------------------------------------------
!< @brief Get temperature (for use by non-thermal physics)
!----------------------------------------------------------------------------------------------
pure module function thermal_T(ph,en) result(T)
integer, intent(in) :: ph, en
real(pReal) :: T
T = current(ph)%T(en)
end function thermal_T
!----------------------------------------------------------------------------------------------
!< @brief Get rate of temperature (for use by non-thermal physics)
!----------------------------------------------------------------------------------------------
module function thermal_dot_T(ph,en) result(dot_T)
integer, intent(in) :: ph, en
real(pReal) :: dot_T
dot_T = current(ph)%dot_T(en)
end function thermal_dot_T
!----------------------------------------------------------------------------------------------
!< @brief Set temperature
!----------------------------------------------------------------------------------------------
module subroutine phase_thermal_setField(T,dot_T, co,ce)
real(pReal), intent(in) :: T, dot_T
integer, intent(in) :: ce, co
current(material_phaseID(co,ce))%T(material_phaseEntry(co,ce)) = T
current(material_phaseID(co,ce))%dot_T(material_phaseEntry(co,ce)) = dot_T
end subroutine phase_thermal_setField
!--------------------------------------------------------------------------------------------------
!> @brief checks if a source mechanism is active or not
!--------------------------------------------------------------------------------------------------
function thermal_active(source_label,src_length) result(active_source)
character(len=*), intent(in) :: source_label !< name of source mechanism
integer, intent(in) :: src_length !< max. number of sources in system
logical, dimension(:,:), allocatable :: active_source
class(tNode), pointer :: &
phases, &
phase, &
sources, thermal, &
src
integer :: p,s
phases => config_material%get('phase')
allocate(active_source(src_length,phases%length), source = .false. )
do p = 1, phases%length
phase => phases%get(p)
thermal => phase%get('thermal',defaultVal=emptyDict)
sources => thermal%get('source',defaultVal=emptyList)
do s = 1, sources%length
src => sources%get(s)
active_source(s,p) = src%get_asString('type') == source_label
enddo
enddo
end function thermal_active
end submodule thermal