elem_assembly.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_ELEM_ASSEMBLY_H
#define LIBMESH_ELEM_ASSEMBLY_H
 
#include "libmesh/reference_counted_object.h"
#include "libmesh/dense_matrix.h"
 
namespace libMesh
{
 
class FEMContext;
class System;
class Node;
 
class ElemAssembly : public ReferenceCountedObject<ElemAssembly>
{
public:
 
  ElemAssembly () = default;
 
  virtual ~ElemAssembly () = default;
 
  virtual void interior_assembly(FEMContext &) { }
 
  virtual void boundary_assembly(FEMContext &) { }
 
  virtual void
  get_nodal_values(std::vector<dof_id_type>& ,
                   DenseMatrix<Number>& ,
                   DenseVector<Number>& ,
                   const System & ,
                   const Node &)
  {
    // Do nothing by default
  }
 
protected:
 
};
 
}
 
#endif // LIBMESH_ELEM_ASSEMBLY_H