error_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_ERROR_ESTIMATOR_H
00021 #define LIBMESH_ERROR_ESTIMATOR_H
00022 
00023 // Local Includes
00024 #include "libmesh/libmesh_common.h"
00025 #include "libmesh/system_norm.h"
00026 
00027 // C++ includes
00028 #include <cstddef>
00029 #include <map>
00030 #include <string>
00031 #include <vector>
00032 
00033 namespace libMesh
00034 {
00035 
00036 // Forward Declarations
00037 class ErrorVector;
00038 class EquationSystems;
00039 class System;
00040 template <typename T> class NumericVector;
00041 
00052 class ErrorEstimator
00053 {
00054 public:
00055 
00060   ErrorEstimator() : error_norm() {}
00061 
00065   virtual ~ErrorEstimator() {}
00066 
00067 
00081   virtual void estimate_error (const System& system,
00082                                ErrorVector& error_per_cell,
00083                                const NumericVector<Number>* solution_vector = NULL,
00084                                bool estimate_parent_error = false) = 0;
00085 
00097   virtual void estimate_errors (const EquationSystems& equation_systems,
00098                                 ErrorVector& error_per_cell,
00099                                 const std::map<const System*, SystemNorm>& error_norms,
00100                                 const std::map<const System*, const NumericVector<Number>* >* solution_vectors = NULL,
00101                                 bool estimate_parent_error = false);
00102 
00107   typedef std::map<std::pair<const System*, unsigned int>, ErrorVector*> ErrorMap;
00108 
00121   virtual void estimate_errors (const EquationSystems& equation_systems,
00122                                 ErrorMap& errors_per_cell,
00123                                 const std::map<const System*, const NumericVector<Number>* >* solution_vectors = NULL,
00124                                 bool estimate_parent_error = false);
00125 
00139   SystemNorm error_norm;
00140 
00141 protected:
00142 
00148   void reduce_error (std::vector<float>& error_per_cell) const;
00149 };
00150 
00151 
00152 } // namespace libMesh
00153 
00154 #endif // LIBMESH_ERROR_ESTIMATOR_H
00155
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Last modified: February 05 2013 19:54:46 UTC

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