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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 <fstream>
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "model.hh"
#include "material.hh"
#include "material_parser.hh"
#include "integrator_gauss.hh"
#include "shape_lagrange.hh"
#include "fem.hh"
#include "mesh.hh"
#include "aka_memory.hh"
#include "element_class.hh"
#include "sparse_matrix.hh"
// namespace akantu {
// class Solver;
// class SparseMatrix;
// }
__BEGIN_AKANTU__
class HeatTransferModel : public Model {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
typedef FEMTemplate<IntegratorGauss,ShapeLagrange> MyFEMType;
HeatTransferModel(UInt spatial_dimension,
const ModelID & id = "heat_transfer_model",
const MemoryID & memory_id = 0) ;
HeatTransferModel(Mesh & mesh,
UInt spatial_dimension = 0,
const ModelID & id = "heat_transfer_model",
const MemoryID & memory_id = 0);
virtual ~HeatTransferModel() ;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// allocate all vectors
void initVectors();
/// initialize the model
void initModel();
/// function to print the contain of the class
virtual void printself(std::ostream & stream, int indent = 0) const {};
/* ------------------------------------------------------------------------ */
/* Ghost Synchronizer inherited members */
/* ------------------------------------------------------------------------ */
public:
inline virtual UInt getNbDataToPack(const Element & element,
GhostSynchronizationTag tag) const {
AKANTU_DEBUG_TO_IMPLEMENT();
};
inline virtual UInt getNbDataToUnpack(const Element & element,
GhostSynchronizationTag tag) const {
AKANTU_DEBUG_TO_IMPLEMENT();
};
inline virtual void packData(Real ** buffer,
const Element & element,
GhostSynchronizationTag tag) const {
AKANTU_DEBUG_TO_IMPLEMENT();
};
inline virtual void unpackData(Real ** buffer,
const Element & element,
GhostSynchronizationTag tag) const {
AKANTU_DEBUG_TO_IMPLEMENT();
};
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get the dimension of the system space
AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);
// set the density of the material
AKANTU_SET_MACRO(Density, density, Real);
//set the heat capacity of the material
AKANTU_SET_MACRO(Capacity, capacity, Real);
// set the conductivity matrix
void SetConductivityMatrix(Real a[3][3]);
//* all the implementation of time step ----------------------------------- */
/// 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);
/// set the value of the time step
AKANTU_GET_MACRO(HeatFlux,* heat_flux, Vector<Real>&);
/// set the value of the time step
AKANTU_GET_MACRO(Lumped, * lumped, Vector<Real>&);
AKANTU_GET_MACRO(Boundary, * boundary, Vector<bool>&);
/// get the SolidMechanicsModel::velocity vector
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(TemperatureGradient, temperature_gradient, Vector<Real> &);
/// get the SolidMechanicsModel::velocity vector
AKANTU_GET_MACRO(Temperature, *temperature, Vector<Real> &);
/// get the equation number Vector<Int>
AKANTU_GET_MACRO(EquationNumber, *equation_number, const Vector<Int> &);
// AKANTU_GET_MACRO(HeatFlux, *heat_flux, Vector<Real> &);
/// compute the stable time step
Real getStableTimeStep();
//initialize the heat flux
void initializeHeatFlux(Vector<Real> &temp);
//initialize temperature
void initializeTemperature(Vector<Real> &temp);
//set boundary condition
void setBoundaryCondition();
//compute temperature gradient
void computeTemperatureGradient(const ElementType &el_type);
//compute the heat flux
void updateHeatFlux();
//compute the temperature
void updateTemperature();
//put the scheme into iteration
void integrationScheme1stOrder(Real thelta, UInt N, Vector<Real> * temperature);
//calculate the mass matrix of heat transfer problem
void assembleMassLumped(const ElementType &el_type);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// time step
Real time_step;
/// temperatures array
Vector<Real> * temperature ;
/// the spatial dimension
UInt spatial_dimension;
/// the density
Real density;
/// the speed of the changing temperature
ByElementTypeReal temperature_gradient;
/// K*T internal flux vector
Vector<Real> * heat_flux;
//external flux vector
Vector<Real> * externalFlux;
/// residuals array
Vector<Real> * residual;
/// position of a dof in the K matrix
Vector<Int> * equation_number;
//lumped vector
Vector<Real> * lumped;
/// boundary vector
Vector<bool> * boundary;
//realtime
Real time;
///capacity
Real capacity;
//conductivity matrix
Real* conductivity;
//the biggest parameter of conductivity matrix
Real conductivitymax;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "heat_transfer_model_inline_impl.cc"
/// 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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