cs_vof.h

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#ifndef __CS_VOF_H__
#define __CS_VOF_H__
 
/*============================================================================
 * Functions associated to VOF model
 *============================================================================*/
 
/*
  This file is part of code_saturne, a general-purpose CFD tool.
 
  Copyright (C) 1998-2023 EDF S.A.
 
  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2 of the License, or (at your option) any later
  version.
 
  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.
 
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
/*----------------------------------------------------------------------------*/
 
/*----------------------------------------------------------------------------
 * Standard C library headers
 *----------------------------------------------------------------------------*/
 
/*----------------------------------------------------------------------------
 * Local headers
 *----------------------------------------------------------------------------*/
 
#include "cs_base.h"
#include "cs_mesh.h"
#include "cs_mesh_quantities.h"
 
/*----------------------------------------------------------------------------*/
 
BEGIN_C_DECLS
 
/*=============================================================================
 * Macro definitions
 *============================================================================*/
 
#define CS_VOF_ENABLED (1 << 0)
 
#define CS_VOF_FREE_SURFACE (1 << 1)
 
#define CS_VOF_MERKLE_MASS_TRANSFER (1 << 2)
 
/*============================================================================
 * Type definitions
 *============================================================================*/
 
/* VOF model parameters */
/*----------------------*/
 
typedef struct {
 
  unsigned      vof_model;   /* VoF model (sum of masks defining Volume of
                                Fluid model and submodels */
 
  double        rho1;        /* density */
 
  double        rho2;
 
  double        mu1;         /* viscosity */
 
  double        mu2;
 
  double        sigma_s;     /* surface tension */
 
  int           idrift;      /* drift velocity model */
 
  double        cdrift;      /* C_gamma constante (drift flux factor)*/
 
  double        kdrift;
 
} cs_vof_parameters_t;
 
/* Cavitation parameters */
/*-----------------------*/
 
typedef struct {
 
  cs_real_t        presat;  /* reference saturation pressure */
  cs_real_t        uinf;    /* reference velocity */
  cs_real_t        linf;    /* reference length scale */
  cs_real_t        cdest;   /* constant of condensation model (Merkle) */
  cs_real_t        cprod;   /* constant of vaporization model (Merkle) */
  int              icvevm;  /* eddy-viscosity correction indicator */
  cs_real_t        mcav;    /* eddy-viscosity correction cstt (Reboud) */
  int              itscvi;  /* eddy-viscosity correction indicator */
 
} cs_cavitation_parameters_t;
 
/*=============================================================================
 * Global variables
 *============================================================================*/
 
/* pointer to VOF model parameters structure */
 
extern const cs_vof_parameters_t *cs_glob_vof_parameters;
 
/*============================================================================
 * Public function prototypes
 *============================================================================*/
 
/*----------------------------------------------------------------------------
 *!
 * \brief Provide access to VOF structure.
 */
/*----------------------------------------------------------------------------*/
 
cs_vof_parameters_t *
cs_get_glob_vof_parameters(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_compute_linear_rho_mu(const cs_mesh_t  *m);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_update_phys_prop(const cs_mesh_t  *m);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_surface_tension(const cs_mesh_t             *m,
                       const cs_mesh_quantities_t  *mq,
                       cs_real_3_t                  stf[]);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_log_mass_budget(const cs_mesh_t             *m,
                       const cs_mesh_quantities_t  *mq);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_deshpande_drift_flux(const cs_mesh_t             *m,
                            const cs_mesh_quantities_t  *mq);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_drift_term(int                        imrgra,
                  int                        nswrgp,
                  int                        imligp,
                  int                        iwarnp,
                  cs_real_t                  epsrgp,
                  cs_real_t                  climgp,
                  cs_real_t        *restrict pvar,
                  const cs_real_t  *restrict pvara,
                  cs_real_t        *restrict rhs);
 
/*----------------------------------------------------------------------------
 *!
 * \brief Provide access to cavitation parameters structure.
 */
/*----------------------------------------------------------------------------*/
 
cs_cavitation_parameters_t *
cs_get_glob_cavitation_parameters(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_vof_solve_void_fraction(cs_real_t   dt[],
                           int         iterns);
 
/*----------------------------------------------------------------------------*/
 
END_C_DECLS
 
#endif /* __CS_VOF_H__ */