DAMASK_EICMD/src/thermal_adiabatic.f90

284 lines
12 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH
!> @brief material subroutine for adiabatic temperature evolution
!--------------------------------------------------------------------------------------------------
module thermal_adiabatic
use prec
use config
use numerics
use material
use source_thermal_dissipation
use source_thermal_externalheat
use crystallite
use lattice
implicit none
private
integer, dimension(:,:), allocatable, target, public :: &
thermal_adiabatic_sizePostResult !< size of each post result output
character(len=64), dimension(:,:), allocatable, target, public :: &
thermal_adiabatic_output !< name of each post result output
integer, dimension(:), allocatable, target, public :: &
thermal_adiabatic_Noutput !< number of outputs per instance of this thermal model
enum, bind(c)
enumerator :: undefined_ID, &
temperature_ID
end enum
integer(kind(undefined_ID)), dimension(:,:), allocatable :: &
thermal_adiabatic_outputID !< ID of each post result output
public :: &
thermal_adiabatic_init, &
thermal_adiabatic_updateState, &
thermal_adiabatic_getSourceAndItsTangent, &
thermal_adiabatic_getSpecificHeat, &
thermal_adiabatic_getMassDensity, &
thermal_adiabatic_postResults
contains
!--------------------------------------------------------------------------------------------------
!> @brief module initialization
!> @details reads in material parameters, allocates arrays, and does sanity checks
!--------------------------------------------------------------------------------------------------
subroutine thermal_adiabatic_init
integer :: maxNinstance,section,instance,i,sizeState,NofMyHomog
character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::]
character(len=65536), dimension(:), allocatable :: outputs
write(6,'(/,a)') ' <<<+- thermal_'//THERMAL_ADIABATIC_label//' init -+>>>'
maxNinstance = count(thermal_type == THERMAL_adiabatic_ID)
if (maxNinstance == 0) return
allocate(thermal_adiabatic_sizePostResult (maxval(homogenization_Noutput),maxNinstance),source=0)
allocate(thermal_adiabatic_output (maxval(homogenization_Noutput),maxNinstance))
thermal_adiabatic_output = ''
allocate(thermal_adiabatic_outputID (maxval(homogenization_Noutput),maxNinstance),source=undefined_ID)
allocate(thermal_adiabatic_Noutput (maxNinstance), source=0)
initializeInstances: do section = 1, size(thermal_type)
if (thermal_type(section) /= THERMAL_adiabatic_ID) cycle
NofMyHomog=count(material_homogenizationAt==section)
instance = thermal_typeInstance(section)
outputs = config_homogenization(section)%getStrings('(output)',defaultVal=emptyStringArray)
do i=1, size(outputs)
select case(outputs(i))
case('temperature')
thermal_adiabatic_Noutput(instance) = thermal_adiabatic_Noutput(instance) + 1
thermal_adiabatic_outputID(thermal_adiabatic_Noutput(instance),instance) = temperature_ID
thermal_adiabatic_output(thermal_adiabatic_Noutput(instance),instance) = outputs(i)
thermal_adiabatic_sizePostResult(thermal_adiabatic_Noutput(instance),instance) = 1
end select
enddo
! allocate state arrays
sizeState = 1
thermalState(section)%sizeState = sizeState
thermalState(section)%sizePostResults = sum(thermal_adiabatic_sizePostResult(:,instance))
allocate(thermalState(section)%state0 (sizeState,NofMyHomog), source=thermal_initialT(section))
allocate(thermalState(section)%subState0(sizeState,NofMyHomog), source=thermal_initialT(section))
allocate(thermalState(section)%state (sizeState,NofMyHomog), source=thermal_initialT(section))
nullify(thermalMapping(section)%p)
thermalMapping(section)%p => mappingHomogenization(1,:,:)
deallocate(temperature(section)%p)
temperature(section)%p => thermalState(section)%state(1,:)
deallocate(temperatureRate(section)%p)
allocate (temperatureRate(section)%p(NofMyHomog), source=0.0_pReal)
enddo initializeInstances
end subroutine thermal_adiabatic_init
!--------------------------------------------------------------------------------------------------
!> @brief calculates adiabatic change in temperature based on local heat generation model
!--------------------------------------------------------------------------------------------------
function thermal_adiabatic_updateState(subdt, ip, el)
integer, intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal), intent(in) :: &
subdt
logical, dimension(2) :: &
thermal_adiabatic_updateState
integer :: &
homog, &
offset
real(pReal) :: &
T, Tdot, dTdot_dT
homog = material_homogenizationAt(el)
offset = mappingHomogenization(1,ip,el)
T = thermalState(homog)%subState0(1,offset)
call thermal_adiabatic_getSourceAndItsTangent(Tdot, dTdot_dT, T, ip, el)
T = T + subdt*Tdot/(thermal_adiabatic_getSpecificHeat(ip,el)*thermal_adiabatic_getMassDensity(ip,el))
thermal_adiabatic_updateState = [ abs(T - thermalState(homog)%state(1,offset)) &
<= err_thermal_tolAbs &
.or. abs(T - thermalState(homog)%state(1,offset)) &
<= err_thermal_tolRel*abs(thermalState(homog)%state(1,offset)), &
.true.]
temperature (homog)%p(thermalMapping(homog)%p(ip,el)) = T
temperatureRate(homog)%p(thermalMapping(homog)%p(ip,el)) = &
(thermalState(homog)%state(1,offset) - thermalState(homog)%subState0(1,offset))/(subdt+tiny(0.0_pReal))
end function thermal_adiabatic_updateState
!--------------------------------------------------------------------------------------------------
!> @brief returns heat generation rate
!--------------------------------------------------------------------------------------------------
subroutine thermal_adiabatic_getSourceAndItsTangent(Tdot, dTdot_dT, T, ip, el)
integer, intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal), intent(in) :: &
T
real(pReal), intent(out) :: &
Tdot, dTdot_dT
real(pReal) :: &
my_Tdot, my_dTdot_dT
integer :: &
phase, &
homog, &
instance, &
grain, &
source, &
constituent
homog = material_homogenizationAt(el)
instance = thermal_typeInstance(homog)
Tdot = 0.0_pReal
dTdot_dT = 0.0_pReal
do grain = 1, homogenization_Ngrains(homog)
phase = material_phaseAt(grain,el)
constituent = material_phasememberAt(grain,ip,el)
do source = 1, phase_Nsources(phase)
select case(phase_source(source,phase))
case (SOURCE_thermal_dissipation_ID)
call source_thermal_dissipation_getRateAndItsTangent(my_Tdot, my_dTdot_dT, &
crystallite_S(1:3,1:3,grain,ip,el), &
crystallite_Lp(1:3,1:3,grain,ip,el), &
phase)
case (SOURCE_thermal_externalheat_ID)
call source_thermal_externalheat_getRateAndItsTangent(my_Tdot, my_dTdot_dT, &
phase, constituent)
case default
my_Tdot = 0.0_pReal
my_dTdot_dT = 0.0_pReal
end select
Tdot = Tdot + my_Tdot
dTdot_dT = dTdot_dT + my_dTdot_dT
enddo
enddo
Tdot = Tdot/real(homogenization_Ngrains(homog),pReal)
dTdot_dT = dTdot_dT/real(homogenization_Ngrains(homog),pReal)
end subroutine thermal_adiabatic_getSourceAndItsTangent
!--------------------------------------------------------------------------------------------------
!> @brief returns homogenized specific heat capacity
!--------------------------------------------------------------------------------------------------
function thermal_adiabatic_getSpecificHeat(ip,el)
integer, intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal) :: &
thermal_adiabatic_getSpecificHeat
integer :: &
grain
thermal_adiabatic_getSpecificHeat = 0.0_pReal
do grain = 1, homogenization_Ngrains(material_homogenizationAt(el))
thermal_adiabatic_getSpecificHeat = thermal_adiabatic_getSpecificHeat + &
lattice_specificHeat(material_phaseAt(grain,el))
enddo
thermal_adiabatic_getSpecificHeat = &
thermal_adiabatic_getSpecificHeat/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal)
end function thermal_adiabatic_getSpecificHeat
!--------------------------------------------------------------------------------------------------
!> @brief returns homogenized mass density
!--------------------------------------------------------------------------------------------------
function thermal_adiabatic_getMassDensity(ip,el)
integer, intent(in) :: &
ip, & !< integration point number
el !< element number
real(pReal) :: &
thermal_adiabatic_getMassDensity
integer :: &
grain
thermal_adiabatic_getMassDensity = 0.0_pReal
do grain = 1, homogenization_Ngrains(material_homogenizationAt(el))
thermal_adiabatic_getMassDensity = thermal_adiabatic_getMassDensity + &
lattice_massDensity(material_phaseAt(grain,el))
enddo
thermal_adiabatic_getMassDensity = &
thermal_adiabatic_getMassDensity/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal)
end function thermal_adiabatic_getMassDensity
!--------------------------------------------------------------------------------------------------
!> @brief return array of thermal results
!--------------------------------------------------------------------------------------------------
function thermal_adiabatic_postResults(homog,instance,of) result(postResults)
integer, intent(in) :: &
homog, &
instance, &
of
real(pReal), dimension(sum(thermal_adiabatic_sizePostResult(:,instance))) :: &
postResults
integer :: &
o, c
c = 0
do o = 1,thermal_adiabatic_Noutput(instance)
select case(thermal_adiabatic_outputID(o,instance))
case (temperature_ID)
postResults(c+1) = temperature(homog)%p(of)
c = c + 1
end select
enddo
end function thermal_adiabatic_postResults
end module thermal_adiabatic