reductionProblem.H

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 * In real Time Highly Advanced Computational Applications for Finite Volumes
 * Copyright (C) 2017 by the ITHACA-FV authors
-------------------------------------------------------------------------------
License
    This file is part of ITHACA-FV
    ITHACA-FV 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 3 of the License, or
    (at your option) any later version.
    ITHACA-FV 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 ITHACA-FV. If not, see <http://www.gnu.org/licenses/>.
Class
    reductionProblem
Description
    A general reduction problem class is implemented
SourceFiles
    reductionProblem.C
    reductionProblemTemplates.C
\*---------------------------------------------------------------------------*/
 
 
 
#ifndef reductionProblem_H
#define reductionProblem_H
 
#include <random>
#include "fvCFD.H"
#include "IOmanip.H"
#include "fixedFluxPressureFvPatchScalarField.H"
#include "freestreamFvPatchField.H"
#include <sys/stat.h>
#include "ITHACAutilities.H"
#include "ITHACAparallel.H"
#include "ITHACAstream.H"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wold-style-cast"
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#pragma GCC diagnostic ignored "-Wreturn-type"
#include <datatable.h>
#include <bspline.h>
#include <bsplinebuilder.h>
#include <rbfspline.h>
#pragma GCC diagnostic pop
 
// #include <spline.h>
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 
/*---------------------------------------------------------------------------*\
                        Class reductionProblem Declaration
\*---------------------------------------------------------------------------*/
 
class reductionProblem
{
    private:
 
    public:
        // Constructors
 
        reductionProblem();
        ~reductionProblem() {};
 
        // Members
        label Pnumber;
        label Tnumber;
        Eigen::MatrixXd mu;
        Eigen::MatrixXd mu_range;
        Eigen::MatrixXd mu_samples;
        double mu_cur;
        bool podex;
        bool offline;
        IOdictionary* ITHACAdict;
        autoPtr<argList> _args;
        ITHACAparallel* paral;
        label folderN = 1;
 
        label counter = 1;
 
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcomment"
        Eigen::MatrixXi inletIndex;
 
        Eigen::MatrixXi inletPatch;
 
#pragma GCC diagnostic pop
 
        // Functions
 
        //--------------------------------------------------------------------------
        void setParameters();
 
        //--------------------------------------------------------------------------
        void genRandPar();
 
        //--------------------------------------------------------------------------
        void genRandPar(label tsize);
 
        //--------------------------------------------------------------------------
        void genEquiPar();
 
        //--------------------------------------------------------------------------
        void truthSolve();
 
        Eigen::MatrixXi inletIndexT;
 
        //--------------------------------------------------------------------------
        void assignBC(volVectorField& s, label BC_ind, Vector<double>& value);
 
        //--------------------------------------------------------------------------
        void assignBC(volScalarField& s, label BC_ind, double& value);
 
        //--------------------------------------------------------------------------
        void reconstructFromMatrix(PtrList<volVectorField>& rec_field2,
                                   PtrList<volVectorField>& modes, label Nmodes, Eigen::MatrixXd coeff_matrix);
 
        //--------------------------------------------------------------------------
        void reconstructFromMatrix(PtrList<volScalarField>& rec_field2,
                                   PtrList<volScalarField>& modes, label Nmodes, Eigen::MatrixXd coeff_matrix);
 
        //--------------------------------------------------------------------------
        template<typename T, typename G>
        void assignIF(T& s, G& value);
 
        //--------------------------------------------------------------------------
        template<typename T>
        void computeLift(T& Lfield, T& liftfield, T& omfield);
 
        //--------------------------------------------------------------------------
 
        template<typename T>
        void computeLiftT(T& Lfield, T& liftfield, T& omfield);
        //--------------------------------------------------------------------------
        void liftSolve();
        void liftSolveT();
        //--------------------------------------------------------------------------
        void project();
 
        //--------------------------------------------------------------------------
        void writeMu(List<scalar> mu_now);
 
        //--------------------------------------------------------------------------
        std::vector<SPLINTER::RBFSpline> getCoeffManifoldRBF(PtrList<volVectorField>
                snapshots, PtrList<volVectorField>& modes, word rbfBasis = "GAUSSIAN");
 
        //--------------------------------------------------------------------------
        std::vector<SPLINTER::RBFSpline> getCoeffManifoldRBF(PtrList<volScalarField>
                snapshots, PtrList<volScalarField>& modes, word rbfBasis = "GAUSSIAN");
 
        //--------------------------------------------------------------------------
        // std::vector<SPLINTER::BSpline*> getCoeffManifoldSPL(PtrList<volVectorField> snapshots, PtrList<volVectorField>& modes, label splDeg=3);
        std::vector<SPLINTER::BSpline> getCoeffManifoldSPL(PtrList<volVectorField>
                snapshots, PtrList<volVectorField>& modes, label splDeg = 3);
 
        //--------------------------------------------------------------------------
        std::vector<SPLINTER::BSpline> getCoeffManifoldSPL(PtrList<volScalarField>
                snapshots, PtrList<volScalarField>& modes, label splDeg = 3);
 
};
 
#ifdef NoRepository
#   include "reductionProblemTemplates.C"
#endif
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
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