DAMASK_EICMD/src/source_thermal_externalheat...

172 lines
7.3 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @author Philip Eisenlohr, Michigan State University
!> @brief material subroutine for variable heat source
!--------------------------------------------------------------------------------------------------
module source_thermal_externalheat
use prec, only: &
pReal
implicit none
private
integer, dimension(:), allocatable, public, protected :: &
source_thermal_externalheat_offset, & !< which source is my current thermal dissipation mechanism?
source_thermal_externalheat_instance !< instance of thermal dissipation source mechanism
integer, dimension(:,:), allocatable, target, public :: &
source_thermal_externalheat_sizePostResult !< size of each post result output
character(len=64), dimension(:,:), allocatable, target, public :: &
source_thermal_externalheat_output !< name of each post result output
integer, dimension(:), allocatable, target, public :: &
source_thermal_externalheat_Noutput !< number of outputs per instance of this source
type, private :: tParameters !< container type for internal constitutive parameters
real(pReal), dimension(:), allocatable :: &
time, &
heat_rate
integer :: &
nIntervals
end type tParameters
type(tParameters), dimension(:), allocatable, private :: param !< containers of constitutive parameters (len Ninstance)
public :: &
source_thermal_externalheat_init, &
source_thermal_externalheat_dotState, &
source_thermal_externalheat_getRateAndItsTangent
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine source_thermal_externalheat_init
use debug, only: &
debug_level,&
debug_constitutive,&
debug_levelBasic
use material, only: &
material_allocateSourceState, &
material_phase, &
phase_source, &
phase_Nsources, &
phase_Noutput, &
SOURCE_thermal_externalheat_label, &
SOURCE_thermal_externalheat_ID
use config, only: &
config_phase, &
material_Nphase
integer :: maxNinstance,instance,source,sourceOffset,NofMyPhase,p
write(6,'(/,a)') ' <<<+- source_'//SOURCE_thermal_externalheat_label//' init -+>>>'
maxNinstance = count(phase_source == SOURCE_thermal_externalheat_ID)
if (maxNinstance == 0) return
if (iand(debug_level(debug_constitutive),debug_levelBasic) /= 0) &
write(6,'(a16,1x,i5,/)') '# instances:',maxNinstance
allocate(source_thermal_externalheat_offset(material_Nphase), source=0)
allocate(source_thermal_externalheat_instance(material_Nphase), source=0)
do p = 1, material_Nphase
source_thermal_externalheat_instance(p) = count(phase_source(:,1:p) == SOURCE_thermal_externalheat_ID)
do source = 1, phase_Nsources(p)
if (phase_source(source,p) == SOURCE_thermal_externalheat_ID) &
source_thermal_externalheat_offset(p) = source
enddo
enddo
allocate(source_thermal_externalheat_sizePostResult(maxval(phase_Noutput),maxNinstance),source=0)
allocate(source_thermal_externalheat_output (maxval(phase_Noutput),maxNinstance))
source_thermal_externalheat_output = ''
allocate(source_thermal_externalheat_Noutput(maxNinstance), source=0)
allocate(param(maxNinstance))
do p=1, size(config_phase)
if (all(phase_source(:,p) /= SOURCE_thermal_externalheat_ID)) cycle
instance = source_thermal_externalheat_instance(p)
sourceOffset = source_thermal_externalheat_offset(p)
NofMyPhase=count(material_phase==p)
param(instance)%time = config_phase(p)%getFloats('externalheat_time')
param(instance)%nIntervals = size(param(instance)%time) - 1
param(instance)%heat_rate = config_phase(p)%getFloats('externalheat_rate',requiredSize = size(param(instance)%time))
call material_allocateSourceState(p,sourceOffset,NofMyPhase,1,1,0)
enddo
end subroutine source_thermal_externalheat_init
!--------------------------------------------------------------------------------------------------
!> @brief rate of change of state
!> @details state only contains current time to linearly interpolate given heat powers
!--------------------------------------------------------------------------------------------------
subroutine source_thermal_externalheat_dotState(phase, of)
use material, only: &
sourceState
integer, intent(in) :: &
phase, &
of
integer :: &
sourceOffset
sourceOffset = source_thermal_externalheat_offset(phase)
sourceState(phase)%p(sourceOffset)%dotState(1,of) = 1.0_pReal ! state is current time
end subroutine source_thermal_externalheat_dotState
!--------------------------------------------------------------------------------------------------
!> @brief returns local heat generation rate
!--------------------------------------------------------------------------------------------------
subroutine source_thermal_externalheat_getRateAndItsTangent(TDot, dTDot_dT, phase, of)
use material, only: &
sourceState
integer, intent(in) :: &
phase, &
of
real(pReal), intent(out) :: &
TDot, &
dTDot_dT
integer :: &
instance, sourceOffset, interval
real(pReal) :: &
frac_time
instance = source_thermal_externalheat_instance(phase)
sourceOffset = source_thermal_externalheat_offset(phase)
do interval = 1, param(instance)%nIntervals ! scan through all rate segments
frac_time = (sourceState(phase)%p(sourceOffset)%state(1,of) - &
param(instance)%time(interval)) / &
(param(instance)%time(interval+1) - &
param(instance)%time(interval)) ! fractional time within segment
if ( (frac_time < 0.0_pReal .and. interval == 1) &
.or. (frac_time >= 1.0_pReal .and. interval == param(instance)%nIntervals) &
.or. (frac_time >= 0.0_pReal .and. frac_time < 1.0_pReal) ) &
TDot = param(instance)%heat_rate(interval ) * (1.0_pReal - frac_time) + &
param(instance)%heat_rate(interval+1) * frac_time ! interpolate heat rate between segment boundaries...
! ...or extrapolate if outside of bounds
enddo
dTDot_dT = 0.0
end subroutine source_thermal_externalheat_getRateAndItsTangent
end module source_thermal_externalheat