src » problems

ns-subgrid.c File Reference


Functions

void NS_SUBGRID (sparse *S, vector b, double visc, double tau, const vector u1, const vector u0, const vector ww)
 NS_SUBGRID: Discretization of NS equations with 3-point 2nd order time difference. Stabilization with SUBGRID-SCALE method.
void SUBGRID_FillContinuity (double _visc, double tau, long idxELE, double _volume, long idxJ, short sign_j, const double DELTA_K)
void SUBGRID_FillContinuityPressureStabilization (long idxELE, double _visc, double _volume, long idxJ, short sign_j, const double DELTA_K)
void SUBGRID_FillMomentumEqs (double _visc, double tau, long idxELE, double _volume, long idxJ, short sign_j, double DELTA_K, double TAU_K)
void SUBGRID_FillMomentumEqs_U (double _visc, double tau, long idxELE, double _volume, long idxJ, short sign_j, double DELTA_K, double TAU_K)
void SUBGRID_FillMomentumEqs_V (double _visc, double tau, long idxELE, double _volume, long idxJ, short sign_j, double DELTA_K, double TAU_K)
void SUBGRID_FillPressureGradNS (long idxELE, double _visc, double _volume, long idxJ, short sign_j, const double DELTA_K)
void SUBGRID_FillPressureGradNS_U (long idxELE, double _visc, double _volume, long idxJ, short sign_j, const double DELTA_K)
void SUBGRID_FillPressureGradNS_V (long idxELE, double _visc, double _volume, long idxJ, short sign_j, const double DELTA_K)
double SUBGRID_RHSPressureNS (const double _vol1, const double _vol2)
void SUBGRID_RHSVelocityNS (double _visc, const double DELTA_K, double *QVAL_U, double *QVAL_V, const double _vol1, const double _vol2)
double SUBGRID_RHSVelocityNS_U (double _visc, const double DELTA_K, const double _vol1, const double _vol2)
double SUBGRID_RHSVelocityNS_V (double _visc, const double DELTA_K, const double _vol1, const double _vol2)

Function Documentation

void SUBGRID_FillPressureGradNS_U (  long  idxELE,
double  _visc,
double  _volume,
long  idxJ,
short  sign_j,
const double  DELTA_K
) 
 

void SUBGRID_FillPressureGradNS_V (  long  idxELE,
double  _visc,
double  _volume,
long  idxJ,
short  sign_j,
const double  DELTA_K
) 
 

double SUBGRID_RHSVelocityNS_U (  double  _visc,
const double  DELTA_K,
const double  _vol1,
const double  _vol2
) 
 

double SUBGRID_RHSVelocityNS_V (  double  _visc,
const double  DELTA_K,
const double  _vol1,
const double  _vol2
) 
 

void SUBGRID_FillMomentumEqs_U (  double  _visc,
double  tau,
long  idxELE,
double  _volume,
long  idxJ,
short  sign_j,
double  DELTA_K,
double  TAU_K
) 
 

void SUBGRID_FillMomentumEqs_V (  double  _visc,
double  tau,
long  idxELE,
double  _volume,
long  idxJ,
short  sign_j,
double  DELTA_K,
double  TAU_K
) 
 

void SUBGRID_RHSVelocityNS (  double  _visc,
const double  DELTA_K,
double *  QVAL_U,
double *  QVAL_V,
const double  _vol1,
const double  _vol2
) 
 

void SUBGRID_FillMomentumEqs (  double  _visc,
double  tau,
long  idxELE,
double  _volume,
long  idxJ,
short  sign_j,
double  DELTA_K,
double  TAU_K
) 
 

void SUBGRID_FillPressureGradNS (  long  idxELE,
double  _visc,
double  _volume,
long  idxJ,
short  sign_j,
const double  DELTA_K
) 
 

void SUBGRID_FillContinuity (  double  _visc,
double  tau,
long  idxELE,
double  _volume,
long  idxJ,
short  sign_j,
const double  DELTA_K
) 
 

void SUBGRID_FillContinuityPressureStabilization (  long  idxELE,
double  _visc,
double  _volume,
long  idxJ,
short  sign_j,
const double  DELTA_K
) 
 

double SUBGRID_RHSPressureNS (  const double  _vol1,
const double  _vol2
) 
 

void NS_SUBGRID (  sparse *  S,
vector  b,
double  visc,
double  tau,
const vector  u1,
const vector  u0,
const vector  ww
) 
 

Parameters:
[out] S linear system of eqs.
[out] b right hand side of the system.
[in] visc nondimensional viscosity.
[in] tau time step.
[in] u1 unknowns vector with UVP at T- tau.
[in] u0 unknowns vector with UVP at T-2 tau.
[in] ww convective velocity.

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