Line data    Source code

       1             : // rbOOmit: An implementation of the Certified Reduced Basis method.
       2             : // Copyright (C) 2009, 2010 David J. Knezevic
       3             : 
       4             : // This file is part of rbOOmit.
       5             : 
       6             : // rbOOmit is free software; you can redistribute it and/or
       7             : // modify it under the terms of the GNU Lesser General Public
       8             : // License as published by the Free Software Foundation; either
       9             : // version 2.1 of the License, or (at your option) any later version.
      10             : 
      11             : // rbOOmit is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             : // Lesser General Public License for more details.
      15             : 
      16             : // You should have received a copy of the GNU Lesser General Public
      17             : // License along with this library; if not, write to the Free Software
      18             : // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      19             : 
      20             : #ifndef LIBMESH_RB_EIM_ASSEMBLY_H
      21             : #define LIBMESH_RB_EIM_ASSEMBLY_H
      22             : 
      23             : // rbOOmit includes
      24             : #include "libmesh/elem_assembly.h"
      25             : 
      26             : // libMesh includes
      27             : #include "libmesh/numeric_vector.h"
      28             : #include "libmesh/point.h"
      29             : #include "libmesh/fe.h"
      30             : 
      31             : // C++ includes
      32             : #include <memory>
      33             : 
      34             : namespace libMesh
      35             : {
      36             : 
      37             : class RBParameters;
      38             : class RBEIMConstruction;
      39             : 
      40             : /**
      41             :  * This class provides functionality required to define an assembly
      42             :  * object that arises from an "Empirical Interpolation Method" (EIM)
      43             :  * approximation.
      44             :  *
      45             :  * \author David J. Knezevic
      46             :  * \date 2012
      47             :  */
      48           0 : class RBEIMAssembly : public ElemAssembly
      49             : {
      50             : public:
      51             : 
      52             :   /**
      53             :    * Constructor.
      54             :    */
      55             :   RBEIMAssembly(RBEIMConstruction & rb_eim_eval_in,
      56             :                 unsigned int basis_function_index_in);
      57             : 
      58             :   /**
      59             :    * Special functions.
      60             :    * - This class contains a reference, so it can't be default
      61             :    *   copy/move-assigned.
      62             :    * - The destructor is defaulted out of line.
      63             :    */
      64             :   RBEIMAssembly (RBEIMAssembly &&) = default;
      65             :   RBEIMAssembly (const RBEIMAssembly &) = default;
      66             :   RBEIMAssembly & operator= (const RBEIMAssembly &) = delete;
      67             :   RBEIMAssembly & operator= (RBEIMAssembly &&) = delete;
      68             :   virtual ~RBEIMAssembly();
      69             : 
      70             :   /**
      71             :    * Return the basis function values for all quadrature points for variable \p var
      72             :    * on element \p elem_id.
      73             :    */
      74             :   void evaluate_basis_function(dof_id_type elem_id,
      75             :                                unsigned int var,
      76             :                                std::vector<Number> & values);
      77             : 
      78             :   /**
      79             :    * Same as evaluate_basis_function() except for side data.
      80             :    */
      81             :   void evaluate_side_basis_function(dof_id_type elem_id,
      82             :                                     unsigned int side_index,
      83             :                                     unsigned int var,
      84             :                                     std::vector<Number> & values);
      85             : 
      86             :   /**
      87             :    * Same as evaluate_basis_function() except for side data.
      88             :    */
      89             :   Number evaluate_node_basis_function(dof_id_type node_id,
      90             :                                       unsigned int var);
      91             : 
      92             :   /**
      93             :    * Get a reference to the RBEIMEvaluation object.
      94             :    */
      95             :   RBEIMConstruction & get_rb_eim_construction();
      96             : 
      97             : private:
      98             : 
      99             :   /**
     100             :    * The RBEIMConstruction that the assembly data comes from.
     101             :    */
     102             :   RBEIMConstruction & _rb_eim_con;
     103             : 
     104             :   /**
     105             :    * The EIM basis function index (from _rb_eim_con's RBEIMEvaluation) for this assembly object.
     106             :    */
     107             :   unsigned int _basis_function_index;
     108             : };
     109             : 
     110             : }
     111             : 
     112             : #endif // LIBMESH_RB_EIM_ASSEMBLY_H