An Object Finite Element Library

DC3DT4.h

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/*==============================================================================

                                    O  F  E  L  I

                            Object  Finite  Element  Library

  ==============================================================================

   Copyright (C) 1998 - 2008 Rachid Touzani

   This program is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; Version 2 of the License.

   This program 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 General Public License for more
   details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the :

   Free Software Foundation
   Inc., 59 Temple Place - Suite 330
   Boston, MA  02111-1307, USA

  ==============================================================================

                         Definition of class DC3DT4
   for 3-D diffusion-convection scalar equation using 4-node tetrahedral element

  ==============================================================================*/


#ifndef __DC3DT4_H
#define __DC3DT4_H


#include "Equa_Therm.h"
#include "LocalMatrix.h"
#include "Triang3.h"
#include "Tetra4.h"

namespace OFELI {

class DC3DT4 : public Equa_Therm<double,4,4,3,3>
{

 public :

    DC3DT4()
    {
      _tetra = NULL;
      _triang = NULL;
#ifdef _OFELI_DEBUG
      std::clog << "An instance of class DC3DT4 is constructed.\n";
      std::clog << "File : " << __FILE__ << ", Line : " << __LINE__ << endl;
#endif
    }

    DC3DT4(const Element *el);

    DC3DT4(const Side *sd);

    DC3DT4(const Element *el, const Vect<double> &u, double time=0.);

    DC3DT4(const Side *sd, const Vect<double> &u, double time=0.);

    DC3DT4(const Element *el, const Vect<double> &u, double time, double deltat, int scheme);

    DC3DT4(const Side *sd, const Vect<double> &u, double time, double deltat, int scheme);

    ~DC3DT4();

    void LCapacity(double coef) { LCapacityToLHS(coef); LCapacityToRHS(coef); }

    void LCapacityToLHS(double coef=1);

    void LCapacityToRHS(double coef=1);

    void Capacity(double coef=1);

    void Diffusion(double coef=1);

    void Diffusion(const DMatrix<double> &diff, double coef=1);

    void DiffusionToRHS(double coef=1);

    void Convection(double coef=1) { coef = 1; }

    void Convection(const Point<double> &v, double coef=1);

    void Convection(const Vect<Point<double> > &v, double coef=1);

    void RHS_Convection(const Point<double> &v, double coef=1.);

    void BodyRHS(UserData<double> &ud, double coef=1);

    void BodyRHS(const Vect<double> &b, int opt=LOCAL_ARRAY);

    void BoundaryRHS(UserData<double> &ud, double coef=1);

    void BoundaryRHS(const Vect<double> &b, int opt=LOCAL_ARRAY);

    void BoundaryRHS(double flux);

    Point<double> Flux() const;

    Point<double> Grad(const Vect<double> &u) const;

    void Periodic(double coef=1.e20);

 private :

   Tetra4        *_tetra;
   Triang3       *_triang;
   double        _c24;
   Point<double> _grad;
};

} /* namespace OFELI */

#endif

Copyright © 1998-2007 Rachid Touzani