derived_rb_construction.h

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// rbOOmit: An implementation of the Certified Reduced Basis method.
// Copyright (C) 2009, 2010 David J. Knezevic

// This file is part of rbOOmit.

// rbOOmit is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.

// rbOOmit is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef LIBMESH_DERIVED_RB_CONSTRUCTION_H
#define LIBMESH_DERIVED_RB_CONSTRUCTION_H

// Local includes
#include "libmesh/dense_vector.h"
#include "libmesh/dense_matrix.h"
#include "libmesh/fem_context.h"
#include "libmesh/linear_implicit_system.h"
#include "libmesh/rb_construction.h"

// C++ includes

namespace libMesh
{

template<class Base>
class DerivedRBConstruction : public Base
{
public:

  DerivedRBConstruction (EquationSystems& es,
                         const std::string& name,
                         const unsigned int number);

  typedef DerivedRBConstruction<Base> sys_type;

  sys_type & system () { return *this; }

  virtual std::string system_type () const;

  virtual Real truth_solve(int plot_solution);

  virtual Real train_reduced_basis(const std::string& directory_name = "offline_data",
                                   const bool resize_rb_eval_data=true);

  virtual void set_uber_current_parameters();

  virtual UniquePtr<RBEvaluation> build_rb_evaluation(const Parallel::Communicator &comm
                                                      LIBMESH_CAN_DEFAULT_TO_COMMWORLD);

  virtual void load_rb_solution();

  virtual void load_basis_function(unsigned int i);

  void generate_residual_terms_wrt_truth();


  //----------- PUBLIC DATA MEMBERS -----------//

  std::string uber_system_name;

protected:

  DenseVector<Number> get_derived_basis_function(unsigned int i);

  virtual void enrich_RB_space();

  virtual void update_RB_system_matrices();

  virtual void compute_Fq_representor_innerprods(bool compute_inner_products=true);

  virtual void update_residual_terms(bool compute_inner_products=true);

private:

};

// And introduce convenient typedefs
typedef DerivedRBConstruction<RBConstruction> SteadyDerivedRBConstruction;

} // namespace libMesh


#endif // LIBMESH_DERIVED_RB_CONSTRUCTION_H