NSSolver Class Reference

Navier-Stokes equation Solver. More...

#include <NSSolver.h>

List of all members.

Public Member Functions

 NSSolver ()
void solve (int nPatch, real t, real dt, real Re, int nTruncate, int cellNumberPerPatch, int **StartIndex, real *xParticleCenter, real *yParticleCenter, real *zParticleCenter, int **pointNumberMeshU, int **pointNumberMeshV, int **pointNumberMeshW, int **pointNumberMeshP, int **pointNumberMeshOmegaX, int **pointNumberMeshOmegaY, int **pointNumberMeshOmegaZ, int dim, real ***xU, real ***xV, real ***xW, real ***xP, real ***xOmegaX, real ***xOmegaY, real ***xOmegaZ, real *h, real ****u, real ****v, real ****w, real ****p, real ****omegaX, real ****omegaY, real ****omegaZ, real ****uAux, real ****vAux, real ****wAux, real ****fp, real ****exactP, int ****pUnknowns, int ****uCagePoint, int ****vCagePoint, int ****wCagePoint, int ****pCagePoint, int ****omegaXCagePoint, int ****omegaYCagePoint, int ****omegaZCagePoint, vector< real > &UFixedParticles, vector< real > &SFixedParticles, vector< real > &VFixedParticles, int &fixedParticles, int rotatingParticles, real **angVel, real **angVelAcc, real **torqueOld, real **torqueNew, PetscLinearSolver &pSolver, int &zeroInitialGuess)
 Navier-Stokes equation Solver.
 ~NSSolver ()


Detailed Description

Navier-Stokes equation Solver.

This class is the acutal Navier-Stokes equation Solver. It calls the classes cage for the inner velocity boundary conditions associated with the particle no-slip boundary conditions and projectionMethod to integate the Navier-Stokes equation.


Constructor & Destructor Documentation

NSSolver::NSSolver (  ) 

constructor

NSSolver::~NSSolver (  ) 

destructor


Member Function Documentation

void NSSolver::solve ( int  nPatch,
real  t,
real  dt,
real  Re,
int  nTruncate,
int  cellNumberPerPatch,
int **  StartIndex,
real *  xParticleCenter,
real *  yParticleCenter,
real *  zParticleCenter,
int **  pointNumberMeshU,
int **  pointNumberMeshV,
int **  pointNumberMeshW,
int **  pointNumberMeshP,
int **  pointNumberMeshOmegaX,
int **  pointNumberMeshOmegaY,
int **  pointNumberMeshOmegaZ,
int  dim,
real ***  xU,
real ***  xV,
real ***  xW,
real ***  xP,
real ***  xOmegaX,
real ***  xOmegaY,
real ***  xOmegaZ,
real *  h,
real ****  u,
real ****  v,
real ****  w,
real ****  p,
real ****  omegaX,
real ****  omegaY,
real ****  omegaZ,
real ****  uAux,
real ****  vAux,
real ****  wAux,
real ****  fp,
real ****  exactP,
int ****  pUnknowns,
int ****  uCagePoint,
int ****  vCagePoint,
int ****  wCagePoint,
int ****  pCagePoint,
int ****  omegaXCagePoint,
int ****  omegaYCagePoint,
int ****  omegaZCagePoint,
vector< real > &  UFixedParticles,
vector< real > &  SFixedParticles,
vector< real > &  VFixedParticles,
int &  fixedParticles,
int  rotatingParticles,
real **  angVel,
real **  angVelAcc,
real **  torqueOld,
real **  torqueNew,
PetscLinearSolver pSolver,
int &  zeroInitialGuess 
)

Navier-Stokes equation Solver.

This class is the acutal Navier-Stokes equation Solver. It calls the classes cage for the inner velocity boundary conditions associated with the particle no-slip boundary conditions and projectionMethod to integate the Navier-Stokes equation.

At the time step n, the field of u, v, and p are given. this class is used to calculate the fields in the next time step n+1

Parameters:
nPatch  number of patches
t  time
dt  time increment
Re  Reynolds number
nTruncate  the order for truncated spectral analytical solution
cellNumberPerPatch  cell numbers per patch surrounding the sphere
StartIndex  used to put the refined mesh
xParticleCenter  x coordinate of particle center
yParticleCenter  y coordinate of particle center
zParticleCenter  z coordinate of particle center
pointNumberMeshU  mesh points for u
pointNumberMeshV  mesh points for v
pointNumberMeshW  mesh points for w
pointNumberMeshP  mesh points for p
pointNumberMeshOmegaX  mesh points for omegaX
pointNumberMeshOmegaY  mesh points for omegaY
pointNumberMeshOmegaZ  mesh points for omegaY
dim  dimension
xU  coordinates of u
xV  coordinates of v
xW  coordinates of w
xP  coordinates of p
xOmegaX  coordinates of omegaX
xOmegaY  coordinates of omegaX
xOmegaZ  coordinates of omegaX
h  space step
u  velocity u
v  velocity v
w  velocity w
p  pressure
omegaX  vorticity omegaX
omegaY  vorticity omegaY
omegaZ  vorticity omegaZ
uAux  predicted u
vAux  predicted v
wAux  predicted w
fp  extra force
exactP  exact pressure
pUnknowns  mesh points for p
uCagePoint  cage points for u
vCagePoint  cage points for v
wCagePoint  cage points for w
pCagePoint  cage points for p
omegaXCagePoint  cage points for omegaX
omegaYCagePoint  cage points for omegaY
omegaZCagePoint  cage points for omegaY
UFixedParticles  stores U of the LLS solver
SFixedParticles  stores S of the LLS solver
VFixedParticles  stores V of the LLS solver
fixedParticles  stores if the particles are fixed
rotatingParticles  stores if the particles are rotating
angVel  angular velocity of particles
angVelAcc  angular velocity acceleration of particles
torqueOld  torque value in previous iteration of particles
torqueNew  torque value in current iteration of particles
pSolver  PETSC linear solver
zeroInitialGuess  if use zero as the initial guess for pressure


The documentation for this class was generated from the following files:

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