CornerGrid.hpp

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#ifndef __CORNERGRID_HEADER__
#define __CORNERGRID_HEADER__
 
// Standard header files
#include <math.h>
#include <stdlib.h>
#include <vector>
 
// OpenCAEPoro header files
#include "OCPConst.hpp"
 
using namespace std;
 
// Constants used by corner-point grid code
const OCP_DBL SMALL_REAL   = 1E-10; 
const OCP_DBL TEENY        = 1E-3;  
const OCP_DBL SMALL        = 1E-3;  
const USI     MAX_NEIGHBOR = 80;    
 
class Point2D
{
public:
    OCP_DBL x;
    OCP_DBL y;
 
public:
    Point2D() = default;
    Point2D(OCP_DBL x0, OCP_DBL y0)
        : x(x0)
        , y(y0){};
};
 
class Point3D
{
public:
    OCP_DBL x;
    OCP_DBL y;
    OCP_DBL z;
 
public:
    Point3D() = default;
    Point3D(OCP_DBL x0, OCP_DBL y0, OCP_DBL z0)
        : x(x0)
        , y(y0)
        , z(z0){};
 
    Point3D& operator=(const Point3D& other); 
    Point3D operator+(const Point3D& other) const; 
    Point3D operator-(const Point3D& other) const; 
    OCP_DBL operator*(const Point3D& other) const; 
};
 
Point3D operator*(const Point3D& p, const OCP_DBL& a);      
Point3D operator*(const OCP_DBL& a, const Point3D& p);      
Point3D CrossProduct(const Point3D& p1, const Point3D& p2); 
 
class Hexahedron
{
public:
    Point3D p0, p1, p2, p3, p4, p5, p6, p7;
};
 
class HexahedronFace
{
public:
    Point3D p0, p1, p2, p3;
};
 
class Matrix3
{
public:
    OCP_DBL M[3][3];
    Point3D operator*(const Point3D& v) const;
};
 
OCP_DBL VolumHexahedron(const Hexahedron& h);
 
Point3D CenterHexahedron(const Hexahedron& h);
 
Point3D VectorFace(const HexahedronFace& f);
 
Point3D CenterFace(const HexahedronFace& f);
 
Point2D CalCrossingPoint(const Point2D Line1[2], const Point2D Line2[2]);
 
OCP_DBL CalAreaNotQuadr(const HexahedronFace& FACE1, const HexahedronFace& FACE2);
 
 
 
class HalfConn
{
public:
    OCP_DBL Ad_dd;
    Point3D d;
    OCP_USI neigh;
    USI     directionType; // 1 - x, 2 - y, 3 - z, 4 - extension
};
 
class ConnGrid
{
public:
    USI              nConn, maxConn;
    vector<HalfConn> halfConn;
    void             Allocate(const USI& max_neighbor);
    void AddHalfConn(const OCP_USI& n, const Point3D& area, const Point3D& d,
                     const USI& direction, const OCP_DBL& flag = 1);
};
 
class GeneralConnect
{
public:
    OCP_USI begin, end;
    USI     directionType; // 1 - x, 2 - y, 3 - z, 4 - extension
    OCP_DBL Ad_dd_begin;
    OCP_DBL Ad_dd_end;
};
 
class COORD
{
    friend class Grid;
 
public:
    void Allocate(const USI& Nx, const USI& Ny, const USI& Nz);
    void InputData(const vector<OCP_DBL>& coord, const vector<OCP_DBL>& zcorn);
    bool InputCOORDDATA(const vector<OCP_DBL>& coord);
    bool InputZCORNDATA(const vector<OCP_DBL>& zcorn);
    // New version
    void SetupCornerPoints();
    void SetAllFlags(const HexahedronFace& oFace, const HexahedronFace& Face);
    // functions
    OCP_DBL OCP_SIGN(const OCP_DBL& x) { return x >= 0 ? 1 : -1; }
 
private:
    USI           nx;
    USI           ny;
    USI           nz;
    OCP_DBL***    COORDDATA;
    OCP_DBL****   ZCORNDATA;
    Hexahedron*** cornerPoints;
 
    OCP_USI         numGrid;
    OCP_USI         numConn;
    OCP_USI         numConnMax;
    vector<OCP_DBL> v;
    vector<OCP_DBL> depth;
    vector<OCP_DBL> dx;
    vector<OCP_DBL> dy;
    vector<OCP_DBL> dz;
    vector<Point3D> center;
 
    vector<GeneralConnect> connect;
 
    // Auxiliary variables
    // if the i th point of oFace is deeper than the one of Face, then flagpi = 1;
    // if the i th point of oFace is higher than the one of Face, then flagpi = -1;
    // if the i th point of oFace is very close to the one of Face, then flagpi = 0;
    OCP_INT flagp0, flagp1, flagp2, flagp3;
    bool flagQuad;
    bool upNNC, downNNC;
    bool flagJump;
    HexahedronFace tmpFace;
    // after the Axes are determined, blocks will be placed along the y+, or along the y-
    // if y+, then flagForward equals 1.0, else -1.0, this relates to calculation of 
    // area normal vector
    OCP_DBL flagForward;
};
 
#endif
 
/*----------------------------------------------------------------------------*/
/*  Brief Change History of This File                                         */
/*----------------------------------------------------------------------------*/
/*  Author              Date             Actions                              */
/*----------------------------------------------------------------------------*/
/*  Shizhe Li           Nov/16/2021      Create file                          */
/*  Chensong Zhang      Jan/16/2022      Update Doxygen                       */
/*----------------------------------------------------------------------------*/