discontinuity_measure.h

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00001 // The libMesh Finite Element Library.
00002 // Copyright (C) 2002-2012 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
00003 
00004 // This library is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU Lesser General Public
00006 // License as published by the Free Software Foundation; either
00007 // version 2.1 of the License, or (at your option) any later version.
00008 
00009 // This library is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // Lesser General Public License for more details.
00013 
00014 // You should have received a copy of the GNU Lesser General Public
00015 // License along with this library; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017 
00018 
00019 
00020 #ifndef LIBMESH_DISCONTINUITY_MEASURE_H
00021 #define LIBMESH_DISCONTINUITY_MEASURE_H
00022 
00023 // Local Includes
00024 #include "libmesh/jump_error_estimator.h"
00025 
00026 // C++ includes
00027 #include <cstddef>
00028 #include <string>
00029 #include <vector>
00030 
00031 namespace libMesh
00032 {
00033 
00034 // Forward Declarations
00035 class Point;
00036 
00037 
00038 
00039 
00040 
00048 class DiscontinuityMeasure : public JumpErrorEstimator
00049 {
00050 public:
00051 
00057   DiscontinuityMeasure() : _bc_function(NULL) { error_norm = L2; }
00058 
00062   ~DiscontinuityMeasure() {}
00063 
00068   void attach_essential_bc_function (std::pair<bool,Real> fptr(const System& system,
00069                                                                const Point& p,
00070                                                                const std::string& var_name));
00071 
00072 protected:
00073 
00078   virtual void initialize(const System& system,
00079                           ErrorVector& error_per_cell,
00080                           bool estimate_parent_error);
00081 
00086   virtual void internal_side_integration();
00087 
00093   virtual bool boundary_side_integration();
00094 
00098   const System *my_system;
00099 
00103   std::pair<bool,Real> (* _bc_function) (const System& system,
00104                                          const Point& p,
00105                                          const std::string& var_name);
00106 };
00107 
00108 
00109 } // namespace libMesh
00110 
00111 #endif // LIBMESH_DISCONTINUITY_MEASURE_H
00112
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