adjoint_refinement_estimator.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_ADJOINT_REFINEMENT_ESTIMATOR_H
00021 #define LIBMESH_ADJOINT_REFINEMENT_ESTIMATOR_H
00022 
00023 // Local Includes
00024 #include "libmesh/error_estimator.h"
00025 #include "libmesh/libmesh.h"
00026 #include "libmesh/qoi_set.h"
00027 
00028 // C++ includes
00029 #include <cstddef>
00030 #include <vector>
00031 
00032 #ifdef LIBMESH_ENABLE_AMR
00033 
00034 namespace libMesh
00035 {
00036 
00046 class AdjointRefinementEstimator : public ErrorEstimator
00047 {
00048 public:
00049 
00053   AdjointRefinementEstimator() : number_h_refinements(1),
00054                                  number_p_refinements(0),
00055                                  _qoi_set(QoISet())
00056   {
00057     // We're not actually going to use error_norm; our norms are
00058     // absolute values of QoI error.
00059     error_norm = INVALID_NORM;
00060   }
00061 
00065   ~AdjointRefinementEstimator() {}
00066 
00071   QoISet &qoi_set() { return _qoi_set; }
00072 
00077   const QoISet &qoi_set() const { return _qoi_set; }
00078 
00095   virtual void estimate_error (const System& system,
00096                                ErrorVector& error_per_cell,
00097                                const NumericVector<Number>* solution_vector = NULL,
00098                                bool estimate_parent_error = false);
00099 
00104   Number &get_global_QoI_error_estimate(unsigned int qoi_index)
00105     {
00106       return computed_global_QoI_errors[qoi_index];
00107     }
00108 
00112   unsigned char number_h_refinements;
00113 
00117   unsigned char number_p_refinements;
00118 
00119 protected:
00120 
00121   /* A vector to hold the computed global QoI error estimate */
00122   std::vector<Number> computed_global_QoI_errors;
00123      
00124   /* /\** */
00125   /*  * The code for estimate_error and both estimate_errors versions is very */
00126   /*  * similar, so we use the same function for all three */
00127   /*  *\/ */
00128   /* virtual void _estimate_error (const EquationSystems *equation_systems, */
00129   /*                               const System* system, */
00130   /*                            ErrorVector* error_per_cell, */
00131   /*                            std::map<std::pair<const System*, unsigned int>, ErrorVector*>* errors_per_cell, */
00132   /*                            const std::map<const System*, const NumericVector<Number>* >* solution_vectors = NULL, */
00133   /*                            bool estimate_parent_error = false); */
00134 
00138   QoISet _qoi_set;
00139 };
00140 
00141 } // namespace libMesh
00142 
00143  #endif // #ifdef LIBMESH_ENABLE_AMR
00144 
00145 #endif // LIBMESH_ADJOINT_REFINEMENT_ESTIMATOR_H
00146
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