!-------------------------------------------------------------------------------------------------- !> @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 enum, bind(c) enumerator :: & undefined_ID, & temperature_ID end enum type :: tParameters integer(kind(undefined_ID)), dimension(:), allocatable :: & outputID end type tParameters type(tparameters), dimension(:), allocatable :: & param 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,o,NofMyHomog,h character(len=pStringLen), dimension(:), allocatable :: outputs write(6,'(/,a)') ' <<<+- thermal_'//THERMAL_CONDUCTION_label//' init -+>>>'; flush(6) maxNinstance = count(thermal_type == THERMAL_conduction_ID) if (maxNinstance == 0) return allocate(param(maxNinstance)) do h = 1, size(thermal_type) if (thermal_type(h) /= THERMAL_conduction_ID) cycle associate(prm => param(thermal_typeInstance(h)),config => config_homogenization(h)) outputs = config%getStrings('(output)',defaultVal=emptyStringArray) allocate(prm%outputID(0)) do o=1, size(outputs) select case(outputs(o)) case('temperature') prm%outputID = [prm%outputID, temperature_ID] end select enddo NofMyHomog=count(material_homogenizationAt==h) thermalState(h)%sizeState = 0 allocate(thermalState(h)%state0 (0,NofMyHomog)) allocate(thermalState(h)%subState0(0,NofMyHomog)) allocate(thermalState(h)%state (0,NofMyHomog)) nullify(thermalMapping(h)%p) thermalMapping(h)%p => material_homogenizationMemberAt deallocate(temperature (h)%p) allocate (temperature (h)%p(NofMyHomog), source=thermal_initialT(h)) deallocate(temperatureRate(h)%p) allocate (temperatureRate(h)%p(NofMyHomog), source=0.0_pReal) end associate enddo 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 = material_homogenizationMemberAt(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 associate(prm => param(damage_typeInstance(homog))) outputsLoop: do o = 1,size(prm%outputID) select case(prm%outputID(o)) case (temperature_ID) call results_writeDataset(group,temperature(homog)%p,'T',& 'temperature','K') end select enddo outputsLoop end associate end subroutine thermal_conduction_results end module thermal_conduction