File: cs_lagr_car.h

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#ifndef __CS_LAGR_LAGCAR_H__
#define __CS_LAGR_LAGCAR_H__

/*============================================================================
 * Compute particle characteristics: Tp, TL et PI
 *============================================================================*/

/*
  This file is part of Code_Saturne, a general-purpose CFD tool.

  Copyright (C) 1998-2016 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 "cs_defs.h"

/*----------------------------------------------------------------------------*/

BEGIN_C_DECLS

/*=============================================================================
 * Macro definitions
 *============================================================================*/

/*============================================================================
 * Type definitions
 *============================================================================*/

/*=============================================================================
 * Global variables
 *============================================================================*/

/*=============================================================================
 * Public function prototypes
 *============================================================================*/

/*----------------------------------------------------------------------------*/
/*!
 * \brief Compute particle characteristics: Tp, TL and PI
 *
 * \param[in] iprev     time step indicator for fields
 *                        0: use fields at current time step
 *                        1: use fields at previous time step
 * \param[in]  dt       time step (per cell)
 * \param[out] taup     dynamic characteristic time
 * \param[out] tlag     fluid characteristic time
 * \param[out] piil     term in integration of up sde
 * \param[out] bx       turbulence characteristics
 * \param[out] tempct   thermal charactersitic time
 * \param[in]  gradpr   pressure gradient
 * \param[in]  gradvf   fluid velocity gradient
 * \param[in]  energi   work array
 * \param[in]  dissip   work array
 */
/*----------------------------------------------------------------------------*/

void
cs_lagr_car(int              iprev,
            const cs_real_t  dt[],
            cs_real_t        taup[],
            cs_real_3_t      tlag[],
            cs_real_3_t      piil[],
            cs_real_t        bx[],
            cs_real_t        tempct[],
            cs_real_3_t      gradpr[],
            cs_real_33_t     gradvf[],
            cs_real_t        energi[],
            cs_real_t        dissip[]);

/*----------------------------------------------------------------------------*/

END_C_DECLS

#endif /* __CS_LAGR_LAGCAR_H__ */