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heat_transfer_model.hh
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			/**
			* @file heat_transfer_model.hh
			*
			* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
			* @author Lucas Frerot <lucas.frerot@epfl.ch>
			* @author Srinivasa Babu Ramisetti <srinivasa.ramisetti@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Rui Wang <rui.wang@epfl.ch>
			*
			* @date creation: Sun May 01 2011
			* @date last modification: Tue Dec 08 2015
			*
			* @brief Model of Heat Transfer
			*
			* @section LICENSE
			*
			* Copyright (©) 2010-2012, 2014, 2015 EPFL (Ecole Polytechnique Fédérale de
			* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
			* Solides)
			*
			* Akantu is free software: you can redistribute it and/or modify it under the
			* terms of the GNU Lesser General Public License as published by the Free
			* Software Foundation, either version 3 of the License, or (at your option) any
			* later version.
			*
			* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
			* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
			* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
			* details.
			*
			* You should have received a copy of the GNU Lesser General Public License
			* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
			*
			*/
			/* -------------------------------------------------------------------------- */
			#include "data_accessor.hh"
			#include "model.hh"
			#include "fe_engine.hh"
			/* -------------------------------------------------------------------------- */
			#include <array>
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_HEAT_TRANSFER_MODEL_HH__
			#define __AKANTU_HEAT_TRANSFER_MODEL_HH__

			namespace akantu {
			template <ElementKind kind, class IntegrationOrderFunctor>
			class IntegratorGauss;
			template <ElementKind kind> class ShapeLagrange;
			}

			namespace akantu {

			class HeatTransferModel : public Model,
			public DataAccessor<Element>,
			public DataAccessor<UInt> {
			/* ------------------------------------------------------------------------ */
			/* Constructors/Destructors */
			/* ------------------------------------------------------------------------ */
			public:
			using FEEngineType = FEEngineTemplate<IntegratorGauss, ShapeLagrange>;

			HeatTransferModel(Mesh & mesh, UInt spatial_dimension = _all_dimensions,
			const ID & id = "heat_transfer_model",
			const MemoryID & memory_id = 0);

			virtual ~HeatTransferModel();

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			protected:
			/// generic function to initialize everything ready for explicit dynamics
			void initFullImpl(const ModelOptions & options) override;

			/// read one material file to instantiate all the materials
			void readMaterials();

			/// allocate all vectors
			void initSolver(TimeStepSolverType, NonLinearSolverType) override;

			/// initialize the model
			void initModel() override;

			void predictor() override;

			/// compute the heat flux
			void assembleResidual() override;

			/// get the type of matrix needed
			MatrixType getMatrixType(const ID &) override;

			/// callback to assemble a Matrix
			void assembleMatrix(const ID &) override;

			/// callback to assemble a lumped Matrix
			void assembleLumpedMatrix(const ID &) override;

			std::tuple<ID, TimeStepSolverType>
			getDefaultSolverID(const AnalysisMethod & method) override;

			ModelSolverOptions
			getDefaultSolverOptions(const TimeStepSolverType & type) const;
			/* ------------------------------------------------------------------------ */
			/* Methods for explicit */
			/* ------------------------------------------------------------------------ */
			public:
			/// compute and get the stable time step
			Real getStableTimeStep();

			/// compute the internal heat flux
			void assembleInternalHeatRate();

			/// calculate the lumped capacity vector for heat transfer problem
			void assembleCapacityLumped();

			/* ------------------------------------------------------------------------ */
			/* Methods for static */
			/* ------------------------------------------------------------------------ */
			public:
			/// assemble the conductivity matrix
			void assembleConductivityMatrix();

			/// assemble the conductivity matrix
			void assembleCapacity();

			/// assemble the conductivity matrix
			void assembleCapacity(GhostType ghost_type);

			/// compute the capacity on quadrature points
			void computeRho(Array<Real> & rho, ElementType type, GhostType ghost_type);

			private:
			/// calculate the lumped capacity vector for heat transfer problem (w
			/// ghost type)
			void assembleCapacityLumped(const GhostType & ghost_type);

			/// assemble the conductivity matrix (w/ ghost type)
			template <UInt dim>
			void assembleConductivityMatrix(const GhostType & ghost_type);

			/// compute the conductivity tensor for each quadrature point in an array
			void computeConductivityOnQuadPoints(const GhostType & ghost_type);

			/// compute vector k \grad T for each quadrature point
			void computeKgradT(const GhostType & ghost_type);

			/// compute the thermal energy
			Real computeThermalEnergyByNode();

			/* ------------------------------------------------------------------------ */
			/* Data Accessor inherited members */
			/* ------------------------------------------------------------------------ */
			public:
			inline UInt getNbData(const Array<Element> & elements,
			const SynchronizationTag & tag) const override;
			inline void packData(CommunicationBuffer & buffer,
			const Array<Element> & elements,
			const SynchronizationTag & tag) const override;
			inline void unpackData(CommunicationBuffer & buffer,
			const Array<Element> & elements,
			const SynchronizationTag & tag) override;

			inline UInt getNbData(const Array<UInt> & indexes,
			const SynchronizationTag & tag) const override;
			inline void packData(CommunicationBuffer & buffer,
			const Array<UInt> & indexes,
			const SynchronizationTag & tag) const override;
			inline void unpackData(CommunicationBuffer & buffer,
			const Array<UInt> & indexes,
			const SynchronizationTag & tag) override;

			/* ------------------------------------------------------------------------ */
			/* Dumpable interface */
			/* ------------------------------------------------------------------------ */
			public:
			dumper::Field * createNodalFieldReal(const std::string & field_name,
			const std::string & group_name,
			bool padding_flag) override;

			dumper::Field * createNodalFieldBool(const std::string & field_name,
			const std::string & group_name,
			bool padding_flag) override;

			dumper::Field * createElementalField(const std::string & field_name,
			const std::string & group_name,
			bool padding_flag,
			const UInt & spatial_dimension,
			const ElementKind & kind) override;

			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:
			AKANTU_GET_MACRO(Density, density, Real);
			AKANTU_GET_MACRO(Capacity, capacity, Real);
			/// get the dimension of the system space
			AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);
			/// get the current value of the time step
			AKANTU_GET_MACRO(TimeStep, time_step, Real);
			/// get the assembled heat flux
			AKANTU_GET_MACRO(InternalHeatRate, *internal_heat_rate, Array<Real> &);
			/// get the lumped capacity
			AKANTU_GET_MACRO(CapacityLumped, *capacity_lumped, Array<Real> &);
			/// get the boundary vector
			AKANTU_GET_MACRO(BlockedDOFs, *blocked_dofs, Array<bool> &);
			/// get the external heat rate vector
			AKANTU_GET_MACRO(ExternalHeatRate, *external_heat_rate, Array<Real> &);
			/// get the temperature gradient
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(TemperatureGradient,
			temperature_gradient, Real);
			/// get the conductivity on q points
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(ConductivityOnQpoints,
			conductivity_on_qpoints, Real);
			/// get the conductivity on q points
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(TemperatureOnQpoints,
			temperature_on_qpoints, Real);
			/// internal variables
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(KgradT, k_gradt_on_qpoints,
			Real);
			/// get the temperature
			AKANTU_GET_MACRO(Temperature, *temperature, Array<Real> &);
			/// get the temperature derivative
			AKANTU_GET_MACRO(TemperatureRate, *temperature_rate, Array<Real> &);

			/// get the energy denominated by thermal
			Real getEnergy(const std::string & energy_id, const ElementType & type,
			UInt index);
			/// get the energy denominated by thermal
			Real getEnergy(const std::string & energy_id);

			/// get the thermal energy for a given element
			Real getThermalEnergy(const ElementType & type, UInt index);
			/// get the thermal energy for a given element
			Real getThermalEnergy();

			protected:
			/* ------------------------------------------------------------------------ */
			FEEngine & getFEEngineBoundary(const ID & name = "") override;

			/* ----------------------------------------------------------------------- */
			template <class iterator>
			void getThermalEnergy(iterator Eth, Array<Real>::const_iterator<Real> T_it,
			Array<Real>::const_iterator<Real> T_end) const;

			template <typename T>
			void allocNodalField(Array<T> *& array, const ID & name);

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			private:
			/// number of iterations
			UInt n_iter;

			/// time step
			Real time_step;

			/// temperatures array
			Array<Real> * temperature{nullptr};

			/// temperatures derivatives array
			Array<Real> * temperature_rate{nullptr};

			/// increment array (@f$\delta \dot T@f$ or @f$\delta T@f$)
			Array<Real> * increment{nullptr};

			/// the density
			Real density;

			/// the speed of the changing temperature
			ElementTypeMapArray<Real> temperature_gradient;

			/// temperature field on quadrature points
			ElementTypeMapArray<Real> temperature_on_qpoints;

			/// conductivity tensor on quadrature points
			ElementTypeMapArray<Real> conductivity_on_qpoints;

			/// vector k \grad T on quad points
			ElementTypeMapArray<Real> k_gradt_on_qpoints;

			/// external flux vector
			Array<Real> * external_heat_rate{nullptr};

			/// residuals array
			Array<Real> * internal_heat_rate{nullptr};

			// lumped vector
			Array<Real> * capacity_lumped{nullptr};

			/// boundary vector
			Array<bool> * blocked_dofs{nullptr};

			// realtime
			Real time;

			/// capacity
			Real capacity;

			// conductivity matrix
			Matrix<Real> conductivity;

			// linear variation of the conductivity (for temperature dependent
			// conductivity)
			Real conductivity_variation;

			// reference temperature for the interpretation of temperature variation
			Real T_ref;

			// the biggest parameter of conductivity matrix
			Real conductivitymax;

			UInt temperature_release{0};
			UInt conductivity_matrix_release{0};
			std::unordered_map<GhostType, bool> initial_conductivity{{_not_ghost, true},{_ghost, true}};
			std::unordered_map<GhostType, UInt> conductivity_release{{_not_ghost, 0},{_ghost, 0}};

			};

			} // akantu

			/* -------------------------------------------------------------------------- */
			/* inline functions */
			/* -------------------------------------------------------------------------- */
			#include "heat_transfer_model_inline_impl.cc"

			#endif /* __AKANTU_HEAT_TRANSFER_MODEL_HH__ */

rAKA/src/model/heat_transfer/heat_transfer_model.hh866bdf7258f0bugfixes/32-python…

heat_transfer_model.hhView Options

rAKA/src/model/heat_transfer/heat_transfer_model.hh
866bdf7258f0bugfixes/32-python…

heat_transfer_model.hh
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