setDt.h

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#ifndef SETDT_H
#define SETDT_H

#include <iostream>
#include <string>
#include <cmath>
using namespace std;

#ifdef SINGLE
#define real float
#else
#define real double
#endif

class setDt {

 public:
  setDt();

  void initialize(int numberOfPatches,
                  real & dt,
                  real ReynoldsNumber,
                  int ** pointNumberMeshU, 
                  int ** pointNumberMeshV, 
                  int ** pointNumberMeshW, 
                  real *h,
                  real ****u,
                  int ****uUnknowns,
                  real ****v,
                  int ****vUnknowns,
                  real ****w,
                  int ****wUnknowns
                  );

  ~setDt();
  
 private: 


  int nPatch; // each patch carries a square fine mesh
  int nMeshes;   // including the coarse mesh
  // the coarse mesh is the zeroth mesh and fine meshes are from 1st to the last

  real Re; // Reynolds number based on the radius of a particle

  // iRHS for index in matrix A = totalUnknowns x totalUnknowns
  // jRHS
  int i, j, k;


  // m for mesh iteration: meshes for patchs and coarse grid
  int m;



};

#endif

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