hydro_properties.h

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/*******************************************************************************
 * This file is part of SWIFT.
 * Copyright (c) 2016 Matthieu Schaller (schaller@strw.leidenuniv.nl)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 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 Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/
#ifndef SWIFT_HYDRO_PROPERTIES
#define SWIFT_HYDRO_PROPERTIES
 
/* Config parameters. */
#include <config.h>
#include <cstdio>
 
#if defined(HAVE_HDF5)
#include <hdf5.h>
#endif
 
/* Local includes. */
#include "hydro_parameters.h"
//#include "restart.h"
 
/* Forward declarations */
struct cosmology;
struct swift_params;
struct gravity_props;
struct phys_const;
struct unit_system;
 
struct hydro_props {
 
  /* ------ Smoothing lengths parameters ---------- */
 
  float eta_neighbours;
 
  float target_neighbours;
 
  float h_tolerance;
 
  float delta_neighbours;
 
  float h_max;
 
  float h_min_ratio;
 
  float h_min;
 
  int max_smoothing_iterations;
 
  /* ------ Neighbour number definition ------------ */
 
  int use_mass_weighted_num_ngb;
 
  /* ------ Time integration parameters ------------ */
 
  float CFL_condition;
 
  float log_max_h_change;
 
  /* ------ Temperature parameters ----------------- */
 
  float minimal_temperature;
 
  float minimal_internal_energy;
 
  float initial_temperature;
 
  float initial_internal_energy;
 
  float hydrogen_mass_fraction;
 
  float hydrogen_ionization_temperature;
 
  float mu_neutral;
 
  float mu_ionised;
 
  /* ------ Particle splitting parameters ---------- */
 
  int particle_splitting;
 
  float particle_splitting_mass_threshold;
 
  int generate_random_ids;
 
  /* ------ Viscosity and diffusion ---------------- */
 
  struct viscosity_global_data viscosity;
 
  struct diffusion_global_data diffusion;
 
  /* ------ MHD properties ------------------------- */
 
//  struct mhd_global_data mhd;
};
 
void hydro_props_print(const struct hydro_props *p);
void hydro_props_init(struct hydro_props *p,
                      const struct phys_const *phys_const,
                      const struct unit_system *us,
                      struct swift_params *params);
 
void hydro_props_update(struct hydro_props *p, const struct gravity_props *gp,
                        const struct cosmology *cosmo);
 
#if defined(HAVE_HDF5)
void hydro_props_print_snapshot(hid_t h_grpsph, const struct hydro_props *p);
#endif
 
/* Dump/restore. */
void hydro_props_struct_dump(const struct hydro_props *p, FILE *stream);
void hydro_props_struct_restore(const struct hydro_props *p, FILE *stream);
 
/* Setup for tests */
void hydro_props_init_no_hydro(struct hydro_props *p);
 
#endif /* SWIFT_HYDRO_PROPERTIES */