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