/*============================================================================
 * User functions for input of calculation parameters.
 *============================================================================*/

/* VERS */

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

  Copyright (C) 1998-2020 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"

/*----------------------------------------------------------------------------
 * Standard C library headers
 *----------------------------------------------------------------------------*/

#include <assert.h>
#include <math.h>
#include <string.h>

#if defined(HAVE_MPI)
#include <mpi.h>
#endif

/*----------------------------------------------------------------------------
 * PLE library headers
 *----------------------------------------------------------------------------*/

#include <ple_coupling.h>

/*----------------------------------------------------------------------------
 * Local headers
 *----------------------------------------------------------------------------*/

#include "cs_headers.h"

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

BEGIN_C_DECLS

/*----------------------------------------------------------------------------*/
/*!
 * \file cs_user_parameters-fans.c
 *
 * \brief Fans parameters example
 *
 * See \ref parameters for examples.
 */
/*----------------------------------------------------------------------------*/

/*============================================================================
 * User function definitions
 *============================================================================*/

/*----------------------------------------------------------------------------*/
/*!
 * \brief Define or modify general numerical and physical user parameters.
 *
 * At the calling point of this function, most model-related most variables
 * and other fields have been defined, so specific settings related to those
 * fields may be set here.
 *
 * At this stage, the mesh is not built or read yet, so associated data
 * such as field values are not accessible yet, though pending mesh
 * operations and some fields may have been defined.
 *
 * \param[in, out]   domain    pointer to a cs_domain_t structure
 */
/*----------------------------------------------------------------------------*/

void
cs_user_parameters(cs_domain_t   *domain)
{
  CS_UNUSED(domain);

  /*
   * We define a fan, which will be handled as an automatic
   * explicit source term. See cs_fan_define() prototype
   * or Doxygen documentation for details.
   */

  /*! [fan_user_1] */
  {
    const cs_real_t  inlet_axis_coords[3] = {0, 0, 0};
    const cs_real_t  outlet_axis_coords[3] = {0.1, 0, 0};
    const cs_real_t  fan_radius = 0.7;
    const cs_real_t  blades_radius = 0.5;
    const cs_real_t  hub_radius = 0.1;
    const cs_real_t  pressure_curve_coeffs[3] = {0.6, -0.1, -0.05};
    const cs_real_t  axial_torque = 0.01;

    cs_fan_define(3, /* fan (mesh) dimension (2D or 3D) */
                  0, /* 0: Fan mode or 1: wind turbine mode */
                  inlet_axis_coords,
                  outlet_axis_coords,
                  fan_radius,
                  blades_radius,
                  hub_radius,
                  pressure_curve_coeffs,
                  axial_torque);
  }
  /*! [fan_user_1] */
}

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

END_C_DECLS
