initial.h

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 * Saras
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 * Copyright (C) 2019, Mahendra K. Verma
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#ifndef INITIAL_H
#define INITIAL_H
 
#include <blitz/array.h>
 
#include "vfield.h"
#include "sfield.h"
#include "grid.h"
 
class initial {
    public:
        initial(const grid &mesh);
 
        virtual void initializeField(vfield &uField);
        virtual void initializeField(vfield &uField, sfield &tField);
 
    protected:
        const grid &mesh;
};
 
class taylorGreen: public initial {
    public:
        taylorGreen(const grid &mesh): initial(mesh) { };
 
        void initializeField(vfield &uField);
};
 
class channelSine: public initial {
    public:
        channelSine(const grid &mesh): initial(mesh) { };
 
        void initializeField(vfield &uField);
};
 
class channelRand: public initial {
    public:
        channelRand(const grid &mesh);
 
        void initializeField(vfield &uField);
};
 
class zeroInitial: public initial {
    public:
        zeroInitial(const grid &mesh): initial(mesh) { };
 
        void initializeField(vfield &uField) {uField.Vx = 0.0; uField.Vy = 0.0; uField.Vz = 0.0;};
        void initializeField(vfield &uField, sfield &tField) {uField.Vx = 0.0; uField.Vy = 0.0; uField.Vz = 0.0; tField.F = 0.0;};
};
 
#endif