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Commit 63fd7e62 authored by lhausamm's avatar lhausamm
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Fix some bugs and clean code

parent 26091fdc
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src/cooling/grackle/cooling.h
View file @ 63fd7e62
......@@ -74,27 +74,27 @@ __attribute__((always_inline)) INLINE static void cooling_first_init_part(
xp->cooling_data.metal_frac = cooling->chemistry.SolarMetalFractionByMass;
#if COOLING_GRACKLE_MODE >= 1
gr_float zero = 1.e-20;
/* primordial chemistry >= 1 */
xp->cooling_data.HI_frac = grackle_data->HydrogenFractionByMass;
xp->cooling_data.HII_frac = 0.f;
xp->cooling_data.HII_frac = zero;
xp->cooling_data.HeI_frac = 1. - grackle_data->HydrogenFractionByMass;
xp->cooling_data.HeII_frac = 0.f;
xp->cooling_data.HeIII_frac = 0.f;
xp->cooling_data.e_frac = 0.f;
xp->cooling_data.HeII_frac = zero;
xp->cooling_data.HeIII_frac = zero;
xp->cooling_data.e_frac = zero;
#if COOLING_GRACKLE_MODE >= 2
/* primordial chemistry >= 2 */
xp->cooling_data.HM_frac = 0.f;
xp->cooling_data.H2I_frac = 0.f;
xp->cooling_data.H2II_frac = 0.f;
xp->cooling_data.HM_frac = zero;
xp->cooling_data.H2I_frac = zero;
xp->cooling_data.H2II_frac = zero;
#if COOLING_GRACKLE_MODE >= 3
/* primordial chemistry >= 3 */
static const float DeuteriumFractionByMass = 3.4e-5;
/* should use grackle D ratio */
xp->cooling_data.DI_frac = 2.0 * DeuteriumFractionByMass;
xp->cooling_data.DII_frac = 0.f;
xp->cooling_data.HDI_frac = 0.f;
xp->cooling_data.DI_frac = grackle_data->HydrogenFractionByMass * grackle_data->DeuteriumToHydrogenRatio;
xp->cooling_data.DII_frac = zero;
xp->cooling_data.HDI_frac = zero;
#endif // MODE >= 3
#endif // MODE >= 2
......@@ -109,7 +109,7 @@ __attribute__((always_inline)) INLINE static void cooling_first_init_part(
* @param xp The extended particle data
*/
__attribute__((always_inline)) INLINE static void cooling_compute_density(
struct xpart* restrict xp, const float rho) {
struct xpart* restrict xp, const gr_float rho) {
#if COOLING_GRACKLE_MODE >= 1
/* primordial chemistry >= 1 */
......@@ -146,7 +146,7 @@ __attribute__((always_inline)) INLINE static void cooling_compute_density(
* @param xp The extended particle data
*/
__attribute__((always_inline)) INLINE static void cooling_compute_fraction(
struct xpart* restrict xp, const float rho) {
struct xpart* restrict xp, const gr_float rho) {
#if COOLING_GRACKLE_MODE >= 1
/* primordial chemistry >= 1 */
......@@ -207,7 +207,7 @@ __attribute__((always_inline)) INLINE static void cooling_print_backend(
message("CloudyTable = %s", cooling->cloudy_table);
message("UVbackground = %d", cooling->uv_background);
message("Redshift = %g", cooling->redshift);
message("Density Self Shielding = %g", cooling->density_self_shielding);
message("Solar Metal Fraction = %g", cooling->chemistry.SolarMetalFractionByMass);
message("Units:");
message("\tComoving = %i", cooling->units.comoving_coordinates);
message("\tLength = %g", cooling->units.length_units);
......@@ -285,7 +285,7 @@ __attribute__((always_inline)) INLINE static double cooling_rate(
const struct cosmology* restrict cosmo,
const struct cooling_function_data* restrict cooling,
struct part* restrict p, struct xpart* restrict xp,
float dt) {
double dt) {
/* set current time */
code_units units = cooling->units;
......@@ -313,19 +313,19 @@ __attribute__((always_inline)) INLINE static double cooling_rate(
const double energy_before = hydro_get_physical_internal_energy(p, cosmo);
gr_float energy = energy_before;
/* v is useless with grackle 3.0 */
gr_float vx = 0;
gr_float vy = 0;
gr_float vz = 0;
/* initialize density */
data.density = &density;
/* initialize energy */
data.internal_energy = &energy;
data.x_velocity = &vx;
data.y_velocity = &vy;
data.z_velocity = &vz;
/* grackle 3.0 doc: "Currently not used" */
data.x_velocity = NULL;
data.y_velocity = NULL;
data.z_velocity = NULL;
/* transform gas fraction to densities */
cooling_compute_density(xp, p->rho);
cooling_compute_density(xp, *data.density);
#if COOLING_GRACKLE_MODE >= 1
/* primordial chemistry >= 1 */
......@@ -335,12 +335,14 @@ __attribute__((always_inline)) INLINE static double cooling_rate(
data.HeII_density = &xp->cooling_data.HeII_frac;
data.HeIII_density = &xp->cooling_data.HeIII_frac;
data.e_density = &xp->cooling_data.e_frac;
#endif // MODE >= 1
#if COOLING_GRACKLE_MODE >= 2
#if COOLING_GRACKLE_MODE >= 2
/* primordial chemistry >= 2 */
data.HM_density = &xp->cooling_data.HM_frac;
data.H2I_density = &xp->cooling_data.H2I_frac;
data.H2II_density = &xp->cooling_data.H2II_frac;
#endif // MODE 2
#if COOLING_GRACKLE_MODE >= 3
/* primordial chemistry >= 3 */
......@@ -349,31 +351,25 @@ __attribute__((always_inline)) INLINE static double cooling_rate(
data.HDI_density = &xp->cooling_data.HDI_frac;
#endif // MODE >= 3
#endif // MODE >= 2
#endif // MODE >= 1
/* metal cooling = 1 */
data.metal_density = &xp->cooling_data.metal_frac;
/* /\* volumetric heating rate *\/ */
gr_float volumetric_heating_rate = 0.;
data.volumetric_heating_rate = &volumetric_heating_rate;
/* volumetric heating rate */
data.volumetric_heating_rate = NULL;
/* /\* specific heating rate *\/ */
gr_float specific_heating_rate = 0.;
data.specific_heating_rate = &specific_heating_rate;
/* solve chemistry with table */
/* specific heating rate */
data.specific_heating_rate = NULL;
/* solve chemistry with table */
if (solve_chemistry(&units, &data, dt) == 0) {
error("Error in solve_chemistry.");
}
message("Density: %g, Energy: %g (%g)", density, energy, energy_before);
exit(1);
/* transform densities to gas fraction */
cooling_compute_fraction(xp, p->rho);
cooling_compute_fraction(xp, *data.density);
/* compute rate */
return (energy - energy_before) / dt;
}
......@@ -392,7 +388,7 @@ __attribute__((always_inline)) INLINE static void cooling_cool_part(
const struct unit_system* restrict us,
const struct cosmology* restrict cosmo,
const struct cooling_function_data* restrict cooling,
struct part* restrict p, struct xpart* restrict xp, float dt) {
struct part* restrict p, struct xpart* restrict xp, double dt) {
if (dt == 0.) return;
......@@ -442,6 +438,9 @@ __attribute__((always_inline)) INLINE static void cooling_init_backend(
const struct phys_const* phys_const,
struct cooling_function_data* cooling) {
if (GRACKLE_NPART != 1)
error("Grackle with multiple particles not implemented");
/* read parameters */
parser_get_param_string(parameter_file, "GrackleCooling:GrackleCloudyTable",
cooling->cloudy_table);
......@@ -451,18 +450,10 @@ __attribute__((always_inline)) INLINE static void cooling_init_backend(
cooling->redshift =
parser_get_param_double(parameter_file, "GrackleCooling:GrackleRedshift");
float density_self_shielding = parser_get_param_float(
parameter_file, "GrackleCooling:GrackleHSShieldingDensityThreshold");
cooling->density_self_shielding = density_self_shielding * pow(us->UnitLength_in_cgs,3);
cooling->density_self_shielding *= phys_const->const_proton_mass;
#ifdef SWIFT_DEBUG_CHECKS
/* enable verbose for grackle */
grackle_verbose = 1;
#endif
/* Set up the units system.
These are conversions from code units to cgs. */
......@@ -482,7 +473,7 @@ __attribute__((always_inline)) INLINE static void cooling_init_backend(
cooling->units.velocity_units = cooling->units.a_units *
cooling->units.length_units /
cooling->units.time_units;
chemistry_data* chemistry = &cooling->chemistry;
/* Create a chemistry object for parameters and rate data. */
......@@ -493,30 +484,28 @@ __attribute__((always_inline)) INLINE static void cooling_init_backend(
// Set parameter values for chemistry.
chemistry->use_grackle = 1;
chemistry->with_radiative_cooling = 1;
/* molecular network with H, He, D
From Cloudy table */
chemistry->primordial_chemistry = COOLING_GRACKLE_MODE;
chemistry->metal_cooling = 1;
chemistry->UVbackground = cooling->uv_background;
chemistry->grackle_data_file = cooling->cloudy_table;
chemistry->use_radiative_transfer = 0;
chemistry->use_volumetric_heating_rate = 0;
chemistry->use_specific_heating_rate = 0;
/* Initialize the chemistry object. */
if (initialize_chemistry_data(&cooling->units) == 0) {
error("Error in initialize_chemistry_data.");
}
#ifdef SWIFT_DEBUG_CHECKS
if (GRACKLE_NPART != 1)
error("Grackle with multiple particles not implemented");
message("***************************************");
message("initializing grackle cooling function");
message("");
cooling_print_backend(cooling);
message("Density Self Shielding = %g atom/cm3", density_self_shielding);
message("");
message("***************************************");
#endif
......
src/cooling/grackle/cooling_struct.h
View file @ 63fd7e62
......@@ -43,9 +43,6 @@ struct cooling_function_data {
/* Redshift to use for the UV backgroud (-1 to use cosmological one) */
double redshift;
/* Density Threshold for the shielding */
double density_self_shielding;
/* unit system */
code_units units;
......
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