scalar.h

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 * Saras
 * 
 * Copyright (C) 2019, Mahendra K. Verma
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#ifndef SCALAR_H
#define SCALAR_H
 
#include <blitz/array.h>
 
#include "hydro.h"
#include <math.h>
 
class scalar: public hydro {
    public:
        sfield T;
 
        force *tForcing;
 
        real nu, kappa; 
 
        scalar(const grid &mesh, const parser &solParam, parallel &mpiParam);
 
        virtual ~scalar() { };
 
    protected:
        plainsf tmpRHS;
        plainsf guessedScalar;
        plainsf scalarLaplacian;
 
        boundary *tLft, *tRgt, *tFrn, *tBak, *tTop, *tBot;
 
        void initTBC();
        void imposeTBCs();
 
        void initVForcing();
        void initTForcing();
 
        virtual void solveT();
};
 
class scalar_d2: public scalar {
    public:
        scalar_d2(const grid &mesh, const parser &solParam, parallel &mpiParam);
 
        void solvePDE();
        real testPeriodic();
 
        ~scalar_d2();
 
    private:
        multigrid_d2 mgSolver;
 
        void solveVx();
        void solveVz();
 
        void solveT();
 
        void timeAdvance();
};
 
class scalar_d3: public scalar {
    public:
        scalar_d3(const grid &mesh, const parser &solParam, parallel &mpiParam);
 
        void solvePDE();
        real testPeriodic();
 
        ~scalar_d3();
 
    private:
        multigrid_d3 mgSolver;
 
#ifdef TIME_RUN
        real visc_time, nlin_time, intr_time, impl_time, prhs_time, pois_time;
#endif
 
        void solveVx();
        void solveVy();
        void solveVz();
 
        void solveT();
 
        void timeAdvance();
};
 
#endif