explicit_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 LIBMESH_EXPLICIT_SYSTEM_H
#define LIBMESH_EXPLICIT_SYSTEM_H
 
// Local Includes
#include "libmesh/system.h"
 
namespace libMesh
{
 
class ExplicitSystem : public System
{
public:
 
  ExplicitSystem (EquationSystems & es,
                  const std::string & name,
                  const unsigned int number);
 
  ExplicitSystem (const ExplicitSystem &) = delete;
  ExplicitSystem & operator= (const ExplicitSystem &) = delete;
  ExplicitSystem (ExplicitSystem &&) = default;
  ExplicitSystem & operator= (ExplicitSystem &&) = delete;
  virtual ~ExplicitSystem ();
 
  typedef ExplicitSystem sys_type;
 
  typedef System Parent;
 
  sys_type & system () { return *this; }
 
  virtual void clear () override;
 
  virtual void assemble_qoi (const QoISet & qoi_indices = QoISet()) override;
 
  virtual void assemble_qoi_derivative (const QoISet & qoi_indices = QoISet(),
                                        bool include_liftfunc = true,
                                        bool apply_constraints = true) override;
 
  virtual void solve () override;
 
  virtual std::string system_type () const override { return "Explicit"; }
 
  NumericVector<Number> * rhs;
 
private:
 
  void add_system_rhs ();
};
 
} // namespace libMesh
 
#endif // LIBMESH_EXPLICIT_SYSTEM_H