!-------------------------------------------------------------------------------------------------- !> @author Pratheek Shanthraj, Max-Planck-Institut für Eisenforschung GmbH !> @brief material subroutine for temperature evolution from heat conduction !-------------------------------------------------------------------------------------------------- module thermal_conduction use prec use material use config use lattice use results use crystallite use source_thermal_dissipation use source_thermal_externalheat implicit none private character(len=64), dimension(:,:), allocatable, target, public :: & thermal_conduction_output !< name of each post result output integer, dimension(:), allocatable, target, public :: & thermal_conduction_Noutput !< number of outputs per instance of this damage enum, bind(c) enumerator :: undefined_ID, & temperature_ID end enum integer(kind(undefined_ID)), dimension(:,:), allocatable, private :: & thermal_conduction_outputID !< ID of each post result output public :: & thermal_conduction_init, & thermal_conduction_getSourceAndItsTangent, & thermal_conduction_getConductivity33, & thermal_conduction_getSpecificHeat, & thermal_conduction_getMassDensity, & thermal_conduction_putTemperatureAndItsRate, & thermal_conduction_results contains !-------------------------------------------------------------------------------------------------- !> @brief module initialization !> @details reads in material parameters, allocates arrays, and does sanity checks !-------------------------------------------------------------------------------------------------- subroutine thermal_conduction_init integer :: maxNinstance,section,instance,i integer :: sizeState integer :: NofMyHomog character(len=65536), dimension(0), parameter :: emptyStringArray = [character(len=65536)::] character(len=65536), dimension(:), allocatable :: outputs write(6,'(/,a)') ' <<<+- thermal_'//THERMAL_CONDUCTION_label//' init -+>>>' maxNinstance = count(thermal_type == THERMAL_conduction_ID) if (maxNinstance == 0) return allocate(thermal_conduction_output (maxval(homogenization_Noutput),maxNinstance)) thermal_conduction_output = '' allocate(thermal_conduction_outputID (maxval(homogenization_Noutput),maxNinstance),source=undefined_ID) allocate(thermal_conduction_Noutput (maxNinstance), source=0) initializeInstances: do section = 1, size(thermal_type) if (thermal_type(section) /= THERMAL_conduction_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_conduction_Noutput(instance) = thermal_conduction_Noutput(instance) + 1 thermal_conduction_outputID(thermal_conduction_Noutput(instance),instance) = temperature_ID thermal_conduction_output(thermal_conduction_Noutput(instance),instance) = outputs(i) end select enddo ! allocate state arrays sizeState = 0 thermalState(section)%sizeState = sizeState allocate(thermalState(section)%state0 (sizeState,NofMyHomog)) allocate(thermalState(section)%subState0(sizeState,NofMyHomog)) allocate(thermalState(section)%state (sizeState,NofMyHomog)) nullify(thermalMapping(section)%p) thermalMapping(section)%p => mappingHomogenization(1,:,:) deallocate(temperature (section)%p) allocate (temperature (section)%p(NofMyHomog), source=thermal_initialT(section)) deallocate(temperatureRate(section)%p) allocate (temperatureRate(section)%p(NofMyHomog), source=0.0_pReal) enddo initializeInstances end subroutine thermal_conduction_init !-------------------------------------------------------------------------------------------------- !> @brief returns heat generation rate !-------------------------------------------------------------------------------------------------- subroutine thermal_conduction_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, & offset, & instance, & grain, & source, & constituent homog = material_homogenizationAt(el) offset = mappingHomogenization(1,ip,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_conduction_getSourceAndItsTangent !-------------------------------------------------------------------------------------------------- !> @brief returns homogenized thermal conductivity in reference configuration !-------------------------------------------------------------------------------------------------- function thermal_conduction_getConductivity33(ip,el) integer, intent(in) :: & ip, & !< integration point number el !< element number real(pReal), dimension(3,3) :: & thermal_conduction_getConductivity33 integer :: & grain thermal_conduction_getConductivity33 = 0.0_pReal do grain = 1, homogenization_Ngrains(material_homogenizationAt(el)) thermal_conduction_getConductivity33 = thermal_conduction_getConductivity33 + & crystallite_push33ToRef(grain,ip,el,lattice_thermalConductivity33(:,:,material_phaseAt(grain,el))) enddo thermal_conduction_getConductivity33 = & thermal_conduction_getConductivity33/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal) end function thermal_conduction_getConductivity33 !-------------------------------------------------------------------------------------------------- !> @brief returns homogenized specific heat capacity !-------------------------------------------------------------------------------------------------- function thermal_conduction_getSpecificHeat(ip,el) integer, intent(in) :: & ip, & !< integration point number el !< element number real(pReal) :: & thermal_conduction_getSpecificHeat integer :: & grain thermal_conduction_getSpecificHeat = 0.0_pReal do grain = 1, homogenization_Ngrains(material_homogenizationAt(el)) thermal_conduction_getSpecificHeat = thermal_conduction_getSpecificHeat + & lattice_specificHeat(material_phaseAt(grain,el)) enddo thermal_conduction_getSpecificHeat = & thermal_conduction_getSpecificHeat/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal) end function thermal_conduction_getSpecificHeat !-------------------------------------------------------------------------------------------------- !> @brief returns homogenized mass density !-------------------------------------------------------------------------------------------------- function thermal_conduction_getMassDensity(ip,el) integer, intent(in) :: & ip, & !< integration point number el !< element number real(pReal) :: & thermal_conduction_getMassDensity integer :: & grain thermal_conduction_getMassDensity = 0.0_pReal do grain = 1, homogenization_Ngrains(material_homogenizationAt(el)) thermal_conduction_getMassDensity = thermal_conduction_getMassDensity & + lattice_massDensity(material_phaseAt(grain,el)) enddo thermal_conduction_getMassDensity = & thermal_conduction_getMassDensity/real(homogenization_Ngrains(material_homogenizationAt(el)),pReal) end function thermal_conduction_getMassDensity !-------------------------------------------------------------------------------------------------- !> @brief updates thermal state with solution from heat conduction PDE !-------------------------------------------------------------------------------------------------- subroutine thermal_conduction_putTemperatureAndItsRate(T,Tdot,ip,el) integer, intent(in) :: & ip, & !< integration point number el !< element number real(pReal), intent(in) :: & T, & Tdot integer :: & homog, & offset homog = material_homogenizationAt(el) offset = thermalMapping(homog)%p(ip,el) temperature (homog)%p(offset) = T temperatureRate(homog)%p(offset) = Tdot end subroutine thermal_conduction_putTemperatureAndItsRate !-------------------------------------------------------------------------------------------------- !> @brief writes results to HDF5 output file !-------------------------------------------------------------------------------------------------- subroutine thermal_conduction_results(homog,group) integer, intent(in) :: homog character(len=*), intent(in) :: group integer :: o, instance instance = thermal_typeInstance(homog) outputsLoop: do o = 1,thermal_conduction_Noutput(instance) select case(thermal_conduction_outputID(o,instance)) case (temperature_ID) call results_writeDataset(group,temperature(homog)%p,'T',& 'temperature','K') end select enddo outputsLoop end subroutine thermal_conduction_results end module thermal_conduction