ReducedSteadyNSTurbIntrusive.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
    ReducedSteadyNSTurbIntrusive
Description
    A reduced problem for the stationary turbulent NS equations using fully intrusive approach
SourceFiles
    ReducedSteadyNSTurbIntrusive.C
\*---------------------------------------------------------------------------*/

 
#ifndef ReducedSteadyNSTurbIntrusive_H
#define ReducedSteadyNSTurbIntrusive_H
 
#include "fvCFD.H"
#include "IOmanip.H"
#include "ReducedProblem.H"
#include "ReducedSteadyNS.H"
#include "SteadyNSTurbIntrusive.H"
#include "ITHACAutilities.H"
#include <Eigen/Dense>
#include <unsupported/Eigen/NonLinearOptimization>
#include <unsupported/Eigen/NumericalDiff>

struct newtonSteadyNSTurbIntrusive: public newton_argument<double>
{
    public:
        newtonSteadyNSTurbIntrusive() {}
 
        newtonSteadyNSTurbIntrusive(int Nx, int Ny,
                                    SteadyNSTurbIntrusive& problem): newton_argument<double>(Nx, Ny),
            problem(& problem),
            Nphi_u(problem.nModesOnline),
            N_BC(problem.inletIndex.rows())
        {}
 
        int operator()(const Eigen::VectorXd& x, Eigen::VectorXd& fvec) const;
        int df(const Eigen::VectorXd& x,  Eigen::MatrixXd& fjac) const;
 
        SteadyNSTurbIntrusive* problem;
        int Nphi_u;
        int N_BC;
        scalar nu;
        Eigen::MatrixXd tauU;
        Eigen::VectorXd bc;
};
 
 
/*---------------------------------------------------------------------------*\
                        Class reducedProblem Declaration
\*---------------------------------------------------------------------------*/
 


class ReducedSteadyNSTurbIntrusive: public reducedSteadyNS
{
    private:
 
    public:
        // Constructors
        ReducedSteadyNSTurbIntrusive();
        ReducedSteadyNSTurbIntrusive(SteadyNSTurbIntrusive& problem);
 
        ~ReducedSteadyNSTurbIntrusive() {};
 

        PtrList<volScalarField> nutFields;

        PtrList<volScalarField> nutModes;

        PtrList<volScalarField> nutRec;

        int nphiNut;

        newtonSteadyNSTurbIntrusive newtonObject;

        SteadyNSTurbIntrusive* problem;

        void solveOnline(Eigen::MatrixXd velNow);

        void reconstruct(fileName folder = "./ITHACAOutput/online_rec",
                         int printEvery = 1);

        Eigen::MatrixXd setOnlineVelocity(Eigen::MatrixXd vel);
 
        //--------------------------------------------------------------------------
        void reconstructLiftAndDrag(SteadyNSTurbIntrusive& problem,
                                    fileName folder);
 
 
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 
 
#endif