cs_cf_model.h

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#ifndef CS_CF_MODEL_H
#define CS_CF_MODEL_H
 
/*============================================================================
 * Thermodynamic laws for the compressible module
 *============================================================================*/
 
/*
  This file is part of code_saturne, a general-purpose CFD tool.
 
  Copyright (C) 1998-2026 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.
*/
 
/*----------------------------------------------------------------------------*/
 
#include "base/cs_defs.h"
 
/*----------------------------------------------------------------------------
 * Standard C library headers
 *----------------------------------------------------------------------------*/
 
/*----------------------------------------------------------------------------
 *  Local headers
 *----------------------------------------------------------------------------*/
 
/*============================================================================
 * Type definitions
 *============================================================================*/
 
/* compressible model general options descriptor */
/*-----------------------------------------------*/
 
typedef struct {
 
  int           ieos;         /* indicator of equation of state */
 
  int           ithvar;       /* indicator for thermodynamic
                                 variables initialization */
 
  int           icfgrp;       /* indicator for hydrostatic balance
                                 in boundary conditions */
 
  double        psginf;       /* stiffened gas limit pressure (zero in
                                 perfect gas) (Pa) for single phase model */
 
  double        gammasg;      /* stiffened gas polytropic coefficient,
                                 (dimensionless) for single phase model */
 
  int           hgn_relax_eq_st;  /* source term step:
                                     - -1 disabled
                                     -  0 enabled */
 
} cs_cf_model_t;
 
typedef enum {
 
  CS_EOS_NONE                  = -1,
  CS_EOS_IDEAL_GAS             = 1,
  CS_EOS_STIFFENED_GAS         = 2,
  CS_EOS_GAS_MIX               = 3,
  CS_EOS_HOMOGENEOUS_TWO_PHASE = 4,
  CS_EOS_MOIST_AIR             = 5
 
} cs_cf_model_eos_t;
 
/*============================================================================
 * Static global variables
 *============================================================================*/
 
/* pointer to main compressible model descriptor structure */
 
extern const cs_cf_model_t         *cs_glob_cf_model;
 
/*=============================================================================
 * Public function definitions
 *============================================================================*/
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Provide access to compressible model global structure cs_glob_cf_model
 */
/*----------------------------------------------------------------------------*/
 
cs_cf_model_t *
cs_get_glob_cf_model(void);
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Variable field definitions for the compressible module,
 *        according to calculation type selected by the user.
 */
/*----------------------------------------------------------------------------*/
 
void
cs_cf_add_variable_fields(void);
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Property field definitions for the compressible module,
 *        according to calculation type selected by the user.
 */
/*----------------------------------------------------------------------------*/
 
void
cs_cf_add_property_fields(void);
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Setup options specific to the compressible model.
 */
/*----------------------------------------------------------------------------*/
 
void
cs_cf_setup(void);
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Print the compressible module options to setup.log.
 */
/*----------------------------------------------------------------------------*/
 
void
cs_cf_model_log_setup(void);
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Initialize variables of the compressible flow model.
 */
/*----------------------------------------------------------------------------*/
 
void
cs_cf_initialize(void);
 
/*----------------------------------------------------------------------------*/
/*
 * \brief Compute variable physical properties for the compressible model.
 */
/*----------------------------------------------------------------------------*/
 
void
cs_cf_physical_properties(void);
 
/*----------------------------------------------------------------------------*/
 
#endif /* CS_CF_MODEL_H */