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rAKA/src/model/heat_transfer/heat_transfer_model.hh
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/**
* @file heat_transfer_model.hh
* @author Rui WANG<rui.wang@epfl.ch>
* @date Fri May 4 13:35:55 2011
*
* @brief Model of Heat Transfer
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_HEAT_TRANSFER_MODEL_HH__
#define __AKANTU_HEAT_TRANSFER_MODEL_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "aka_memory.hh"
#include "model.hh"
#include "integrator_gauss.hh"
#include "shape_lagrange.hh"
namespace akantu {
class IntegrationScheme1stOrder;
// class Solver;
// class SparseMatrix;
}
__BEGIN_AKANTU__
class HeatTransferModel : public Model, public DataAccessor {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
typedef FEMTemplate<IntegratorGauss,ShapeLagrange> MyFEMType;
HeatTransferModel(UInt spatial_dimension,
const ID & id = "heat_transfer_model",
const MemoryID & memory_id = 0) ;
HeatTransferModel(Mesh & mesh,
UInt spatial_dimension = 0,
const ID & id = "heat_transfer_model",
const MemoryID & memory_id = 0);
virtual ~HeatTransferModel() ;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// set the parameters
bool setParam(const std::string & key, const std::string & value);
/// read one material file to instantiate all the materials
void readMaterials(const std::string & filename);
/// allocate all vectors
void initVectors();
/// register the tags associated with the parallel synchronizer
void initParallel(MeshPartition * partition, DataAccessor * data_accessor=NULL);
/// initialize the model
void initModel();
/// init PBC synchronizer
void initPBC();
/// function to print the contain of the class
virtual void printself(__attribute__ ((unused)) std::ostream & stream,
__attribute__ ((unused)) int indent = 0) const {};
/* ------------------------------------------------------------------------ */
/* Methods for explicit */
/* ------------------------------------------------------------------------ */
public:
/// compute and get the stable time step
Real getStableTimeStep();
/// compute the heat flux
void updateResidual();
/// solve the system in temperature rate @f$C\delta \dot T = q_{n+1} - C \dot T_{n}@f$
void solveExplicitLumped();
/// calculate the lumped capacity vector for heat transfer problem
void assembleCapacityLumped();
/// update the temperature from the temperature rate
void explicitPred();
/// update the temperature rate from the increment
void explicitCorr();
// /// initialize the heat flux
// void initializeResidual(Vector<Real> &temp);
// /// initialize temperature
// void initializeTemperature(Vector<Real> &temp);
private:
/// compute the heat flux on ghost types
void updateResidual(const GhostType & ghost_type);
/// calculate the lumped capacity vector for heat transfer problem (w ghosttype)
void assembleCapacityLumped(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);
/* ------------------------------------------------------------------------ */
/* Data Accessor inherited members */
/* ------------------------------------------------------------------------ */
public:
inline UInt getNbDataToPack(const Element & element,
SynchronizationTag tag) const;
inline UInt getNbDataToUnpack(const Element & element,
SynchronizationTag tag) const;
inline void packData(CommunicationBuffer & buffer,
const Element & element,
SynchronizationTag tag) const;
inline void unpackData(CommunicationBuffer & buffer,
const Element & element,
SynchronizationTag tag);
inline UInt getNbDataToPack(SynchronizationTag tag) const;
inline UInt getNbDataToUnpack(SynchronizationTag tag) const;
inline void packData(CommunicationBuffer & buffer,
const UInt index,
SynchronizationTag tag) const;
inline void unpackData(CommunicationBuffer & buffer,
const UInt index,
SynchronizationTag tag);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// 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);
/// set the value of the time step
AKANTU_SET_MACRO(TimeStep, time_step, Real);
/// get the assembled heat flux
AKANTU_GET_MACRO(Residual, *residual, Vector<Real>&);
/// get the lumped capacity
AKANTU_GET_MACRO(CapacityLumped, * capacity_lumped, Vector<Real>&);
/// get the boundary vector
AKANTU_GET_MACRO(Boundary, * boundary, Vector<bool>&);
/// 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);
/// get the temperature
AKANTU_GET_MACRO(Temperature, *temperature, Vector<Real> &);
/// get the temperature derivative
AKANTU_GET_MACRO(TemperatureRate, *temperature_rate, Vector<Real> &);
/// get the equation number Vector<Int>
AKANTU_GET_MACRO(EquationNumber, *equation_number, const Vector<Int> &);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
IntegrationScheme1stOrder * integrator;
/// time step
Real time_step;
/// temperatures array
Vector<Real> * temperature;
/// temperatures derivatives array
Vector<Real> * temperature_rate;
/// increment array (@f$\delta \dot T@f$ or @f$\delta T@f$)
Vector<Real> * increment;
/// the spatial dimension
UInt spatial_dimension;
/// the density
Real density;
/// the speed of the changing temperature
ByElementTypeReal temperature_gradient;
/// temperature field on quadrature points
ByElementTypeReal temperature_on_qpoints;
/// conductivity tensor on quadrature points
ByElementTypeReal conductivity_on_qpoints;
/// vector k \grad T on quad points
ByElementTypeReal k_gradt_on_qpoints;
/// vector \int \grad N k \grad T
ByElementTypeReal int_bt_k_gT;
/// vector \grad N k \grad T
ByElementTypeReal bt_k_gT;
//external flux vector
Vector<Real> * external_flux;
/// residuals array
Vector<Real> * residual;
/// position of a dof in the K matrix
Vector<Int> * equation_number;
//lumped vector
Vector<Real> * capacity_lumped;
/// boundary vector
Vector<bool> * boundary;
//realtime
Real time;
///capacity
Real capacity;
//conductivity 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;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#if defined (AKANTU_INCLUDE_INLINE_IMPL)
# include "heat_transfer_model_inline_impl.cc"
#endif
/// standard output stream operator
inline std::ostream & operator <<(std::ostream & stream, const HeatTransferModel & _this)
{
_this.printself(stream);
return stream;
}
__END_AKANTU__
#endif /* __AKANTU_HEAT_TRANSFER_MODEL_HH__ */
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