libMesh
weighted_patch_recovery_error_estimator.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2017 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 
19 
20 #ifndef LIBMESH_WEIGHTED_PATCH_RECOVERY_ERROR_ESTIMATOR_H
21 #define LIBMESH_WEIGHTED_PATCH_RECOVERY_ERROR_ESTIMATOR_H
22 
23 // C++ includes
24 #include <vector>
25 
26 // Local Includes
27 #include "libmesh/elem_range.h"
28 #include "libmesh/enum_order.h"
29 #include "libmesh/error_estimator.h"
30 #include "libmesh/fem_function_base.h"
31 #include "libmesh/patch_recovery_error_estimator.h"
32 #include "libmesh/patch.h"
33 #include "libmesh/point.h"
34 
35 
36 namespace libMesh
37 {
38 
39 // Forward Declarations
40 class Elem;
41 
42 
50 {
51 public:
52 
60  {}
61 
66 
73  virtual void estimate_error (const System & system,
74  ErrorVector & error_per_cell,
75  const NumericVector<Number> * solution_vector = libmesh_nullptr,
76  bool estimate_parent_error = false) libmesh_override;
77 
82  std::vector<FEMFunctionBase<Number> *> weight_functions;
83 
84  virtual ErrorEstimatorType type() const libmesh_override
85  { return WEIGHTED_PATCH_RECOVERY;}
86 
87 private:
88 
94  {
95  public:
98  ErrorVector & epc) :
99  system(sys),
100  error_estimator(ee),
101  error_per_cell(epc)
102  {}
103 
104  void operator()(const ConstElemRange & range) const;
105 
111  private:
112 
113  const System & system;
116  };
117 
118  friend class EstimateError;
119 };
120 
121 
122 } // namespace libMesh
123 
124 
125 #endif // LIBMESH_WEIGHTED_PATCH_RECOVERY_ERROR_ESTIMATOR_H
The ErrorVector is a specialization of the StatisticsVector for error data computed on a finite eleme...
Definition: error_vector.h:50
ImplicitSystem & sys
const System & system
Function to set the boolean patch_reuse in case the user wants to change the default behaviour of pat...
const class libmesh_nullptr_t libmesh_nullptr
The StoredRange class defines a contiguous, divisible set of objects.
Definition: stored_range.h:52
The libMesh namespace provides an interface to certain functionality in the library.
EstimateError(const System &sys, const WeightedPatchRecoveryErrorEstimator &ee, ErrorVector &epc)
virtual ErrorEstimatorType type() const libmesh_override
This is the base class for classes which contain information related to any physical process that mig...
Definition: system.h:76
Class to compute the error contribution for a range of elements.
This class implements the Patch Recovery error indicator.
virtual void estimate_error(const System &system, ErrorVector &error_per_cell, const NumericVector< Number > *solution_vector=libmesh_nullptr, bool estimate_parent_error=false) libmesh_override
This function uses the Patch Recovery error estimate to estimate the error on each cell...
std::vector< FEMFunctionBase< Number > * > weight_functions
Vector of fem function base pointers, the user will fill this in with pointers to the appropriate wei...
This class implements the Patch Recovery error indicator.