advection_system.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
 
// This library 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 2.1 of the License, or (at your option) any later version.
 
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
#ifndef ADVECTION_SYSTEM_H
#define ADVECTION_SYSTEM_H
 
// Application includes
#include "claw_system.h" // base class
 
namespace libMesh
{
 
class AdvectionSystem : public ClawSystem
{
public:
 
  AdvectionSystem (EquationSystems& es,
                   const std::string& name,
                   const unsigned int number);
 
  virtual ~AdvectionSystem ();
 
  typedef AdvectionSystem sys_type;
 
  sys_type & system () { return *this; }
 
  typedef ClawSystem Parent;
 
  virtual void assemble_claw_rhs(NumericVector<Number> & q) override;
 
  virtual void init_data() override;
 
  virtual void process_parameters_file (const std::string & parameters_filename) override;
 
  virtual void print_info() override;
 
protected:
 
  void update_Fh(NumericVector<Number> & q);
 
  std::vector<std::unique_ptr<NumericVector<Number>>> _Fh;
 
  unsigned int _q1_var;
 
  Point _u;
 
  Order _fe_order;
  FEFamily _fe_family;
};
 
} // namespace libMesh
 
#endif