inverseLaplacianProblem_CG.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.
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Class
    inverseLaplacianProblem_CG
Description
    Implementation of the Alifanov's regularization for the inverse problem of
    estimating the boundary heat flux, given pointwise temperature measurements,
    in a Laplacian problem
SourceFiles
    inverseLaplacianProblem_CG.C
\*---------------------------------------------------------------------------*/
 
 
 
#ifndef inverseLaplacianProblem_CG_H
#define inverseLaplacianProblem_CG_H
#include "thermocouplesPlane.H"
#include "inverseLaplacianProblem.H"
#define _USE_MATH_DEFINES
 
using namespace SPLINTER;
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
/*---------------------------------------------------------------------------*\
                 Class inverseLaplacianProblem_CG Declaration
\*---------------------------------------------------------------------------*/
 
 
class inverseLaplacianProblem_CG: public inverseLaplacianProblem
{
 
    public:
        // Constructors
        inverseLaplacianProblem_CG();
        inverseLaplacianProblem_CG(int argc, char* argv[]);
        virtual ~inverseLaplacianProblem_CG() {};
 
 
        autoPtr<volScalarField> _lambda;
 
        autoPtr<volScalarField> _deltaT;
 
        List<scalar> valueFractionAdj;
 
        PtrList<volScalarField> Tfield;
 
        PtrList<volScalarField> lambdaField;
 
        PtrList<volScalarField> deltaTfield;
 
        bool interpolation;
 
        bool interpolationPlaneDefined;
 
        int cgIter;
 
        int cgIterMax;
 
        bool saveSolInLists = 0;
 
        Eigen::MatrixXd Jlist;
 
        double gradJ_L2norm;
 
        double Jtol;
 
        double JtolRel;
 
        double gamma;
 
        double gamma_den;
 
        double beta;
 
 
        List<scalar> P;
 
        List<scalar> gradJ;
 
        Eigen::VectorXd Tsens;
 
        List<Eigen::MatrixXd> ArbT;
 
        List<Eigen::MatrixXd> ArbLambda;
 
        List<Eigen::MatrixXd> ArbDeltaT;
 
        thermocouplesPlane interpolationPlane;
 
        Eigen::VectorXd cellsInPlane;
 
        // Functions
 
        //--------------------------------------------------------------------------
        void set_valueFraction();
 
        //--------------------------------------------------------------------------
        void assignAdjointBC();
 
        //--------------------------------------------------------------------------
        volScalarField assignAdjointBCandSource();
 
        //--------------------------------------------------------------------------
        void assignSensitivityBC();
 
        //--------------------------------------------------------------------------
        void solveAdjoint();
 
        //--------------------------------------------------------------------------
        void solveSensitivity();
 
        //--------------------------------------------------------------------------
        void solve(const char* problemID);
 
        //--------------------------------------------------------------------------
        void defineThermocouplesPlane();
 
        //--------------------------------------------------------------------------
        void sensibilitySolAtThermocouplesLocations();
 
        //--------------------------------------------------------------------------
        int conjugateGradient();
 
        //--------------------------------------------------------------------------
        void computeGradJ();
 
        //--------------------------------------------------------------------------
        void searchDirection();
 
        //--------------------------------------------------------------------------
        void computeSearchStep();
 
        //--------------------------------------------------------------------------
        void updateHeatFlux();
 
        //--------------------------------------------------------------------------
        int conjugateGradientConvergenceCheck();
 
        //--------------------------------------------------------------------------
        int isInPlane(double cx, double cy, double cz,
                      Foam::vector thermocoupleCellDim);
 
        //--------------------------------------------------------------------------
        void writeFields(label folderNumber, const char* folder);
 
        //--------------------------------------------------------------------------
        void thermocouplesInterpolation();
 
        //--------------------------------------------------------------------------
        void thermocouplesInterpolation(DenseMatrix& RBFweights, DenseMatrix& RBFbasis);
 
        //--------------------------------------------------------------------------
        void differenceBetweenDirectAndMeasure();
 
        //--------------------------------------------------------------------------
        void restart(word fieldName = "all");
 
 
        //--------------------------------------------------------------------------
        //void offlineSolve();
 
};
 
#endif