cs_les_inflow.h

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#ifndef __CS_LES_INFLOW_H__
#define __CS_LES_INFLOW_H__
 
/*============================================================================
 * Turbulent inflow generation
 *============================================================================*/
 
/*
  This file is part of code_saturne, a general-purpose CFD tool.
 
  Copyright (C) 1998-2025 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"
 
/*----------------------------------------------------------------------------
 *  Local headers
 *----------------------------------------------------------------------------*/
 
#include "base/cs_base.h"
#include "base/cs_zone.h"
 
/*----------------------------------------------------------------------------*/
 
BEGIN_C_DECLS
 
/*============================================================================
 * Macro definitions
 *============================================================================*/
 
/*============================================================================
 * Type definitions
 *============================================================================*/
 
/*----------------------------------------------------------------------------
 * Type of synthetic turbulence generation
 *----------------------------------------------------------------------------*/
 
typedef enum {
 
  CS_INFLOW_LAMINAR,  
  CS_INFLOW_RANDOM,   
  CS_INFLOW_BATTEN,   
  CS_INFLOW_SEM       
} cs_les_inflow_type_t;
 
/*=============================================================================
 * Local Structure Definitions
 *============================================================================*/
 
/* Inlet definition */
/*------------------*/
 
typedef struct _cs_inlet_t   cs_inlet_t;
 
typedef struct {
 
  int           n_structures;  
  cs_real_3_t  *position;      
  cs_real_3_t  *energy;        
} cs_inflow_sem_t;
 
/*=============================================================================
 * Public function prototypes
 *============================================================================*/
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_inflow_initialize(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_inflow_finalize(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_inflow_add_inlet(cs_les_inflow_type_t   type,
                        bool                   volume_mode,
                        const cs_zone_t       *zone,
                        int                    n_entities,
                        int                    verbosity,
                        const cs_real_t       *vel_r,
                        cs_real_t              k_r,
                        cs_real_t              eps_r);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_volume_initialize(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_inflow_compute(void);
 
/*----------------------------------------------------------------------------
 * Read the restart file of les inflow module.
 *----------------------------------------------------------------------------*/
 
void
cs_les_synthetic_eddy_restart_read(void);
 
/*----------------------------------------------------------------------------
 * Write the restart file of les inflow module.
 *----------------------------------------------------------------------------*/
 
void
cs_les_synthetic_eddy_restart_write(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_synthetic_eddy_method(cs_lnum_t           n_elts,
                             const cs_lnum_t     elt_ids[],
                             const cs_real_3_t   point_coordinates[],
                             const cs_real_t    *point_weight,
                             int                 initialize,
                             int                 volume_mode,
                             int                 verbosity,
                             cs_inflow_sem_t    *inflow,
                             cs_real_t           t_cur,
                             const cs_real_3_t   vel_m_l[],
                             const cs_real_6_t   rij_l[],
                             const cs_real_t     eps_l[],
                             cs_real_3_t         fluctuations[]);
 
/*----------------------------------------------------------------------------*/
void
cs_les_rescale_fluctuations(cs_lnum_t          n_points,
                            const cs_real_6_t  statistics[],
                            cs_real_3_t        fluctuations[]);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_synthetic_eddy_set_n_restart_structures(int  n_structures);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
int
cs_les_synthetic_eddy_get_n_restart_structures(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_inflow_get_restart(bool  *allow_read,
                          bool  *allow_write);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_les_inflow_set_restart(bool  allow_read,
                          bool  allow_write);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_user_les_inflow_define(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_user_les_inflow_update(const cs_zone_t  *zone,
                          cs_real_t         vel_r[3],
                          cs_real_t        *k_r,
                          cs_real_t        *eps_r);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_user_les_inflow_advanced(const cs_zone_t  *zone,
                            cs_real_3_t       vel_l[],
                            cs_real_6_t       rij_l[],
                            cs_real_t         eps_l[]);
 
/*----------------------------------------------------------------------------*/
 
END_C_DECLS
 
#endif /* __CS_LES_INFLOW_H__ */