Line data    Source code

       1             : // The libMesh Finite Element Library.
       2             : // Copyright (C) 2002-2025 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_FOURTH_ERROR_ESTIMATORS_H
      21             : #define LIBMESH_FOURTH_ERROR_ESTIMATORS_H
      22             : 
      23             : // Local Includes
      24             : #include "libmesh/jump_error_estimator.h"
      25             : 
      26             : // C++ includes
      27             : #include <vector>
      28             : #include <string>
      29             : 
      30             : namespace libMesh
      31             : {
      32             : 
      33             : /**
      34             :  * This class is an error indicator based on laplacian jumps between
      35             :  * elements.
      36             :  * See the JumpErrorEstimator class for most user APIs
      37             :  *
      38             :  * \author Roy H. Stogner
      39             :  * \date 2005
      40             :  */
      41             : class LaplacianErrorEstimator : public JumpErrorEstimator
      42             : {
      43             : public:
      44             : 
      45             :   /**
      46             :    * Constructor.  Defaults to H2 seminorm; changes to error_norm are
      47             :    * ignored.
      48             :    */
      49             :   LaplacianErrorEstimator();
      50             : 
      51             : 
      52             :   /**
      53             :    * This class cannot be (default) copy constructed/assigned because
      54             :    * its base class has unique_ptr members.
      55             :    */
      56             :   LaplacianErrorEstimator (const LaplacianErrorEstimator &) = delete;
      57             :   LaplacianErrorEstimator & operator= (const LaplacianErrorEstimator &) = delete;
      58             : 
      59             :   /**
      60             :    * Defaulted move ctor, move assignment operator, and destructor.
      61             :    */
      62             :   LaplacianErrorEstimator (LaplacianErrorEstimator &&) = default;
      63             :   LaplacianErrorEstimator & operator= (LaplacianErrorEstimator &&) = default;
      64           0 :   virtual ~LaplacianErrorEstimator() = default;
      65             : 
      66             :   virtual ErrorEstimatorType type() const override;
      67             : 
      68             : protected:
      69             : 
      70             :   /**
      71             :    * An initialization function, for requesting specific data from the FE
      72             :    * objects
      73             :    */
      74             :   virtual void init_context(FEMContext & c) override;
      75             : 
      76             :   /**
      77             :    * The function which calculates a laplacian jump based error
      78             :    * term on an internal side
      79             :    */
      80             :   virtual void internal_side_integration() override;
      81             : };
      82             : 
      83             : 
      84             : } // namespace libMesh
      85             : 
      86             : #endif // LIBMESH_FOURTH_ERROR_ESTIMATORS_H