diff --git a/src/statistics.c b/src/statistics.c
index c8ae2114abcd2f4cf5c5172cda4024bd03d3818c..58427b687429b0804b15d30729a33c41d4d83785 100644
--- a/src/statistics.c
+++ b/src/statistics.c
@@ -103,6 +103,7 @@ void stats_add(struct statistics *a, const struct statistics *b) {
a->gas_He_mass += b->gas_He_mass;
a->E_mag += b->E_mag;
a->divB_error += b->divB_error;
+ a->divB_error_max += b->divB_error_max;
a->H_cross += b->H_cross;
a->H_mag += b->H_mag;
a->Brms += b->Brms;
@@ -257,6 +258,9 @@ void stats_collect_part_mapper(void *map_data, int nr_parts, void *extra_data) {
/* Collect div B error */
stats.divB_error += mhd_get_divB_error(p, xp);
+ /* Get maximal div B error */
+ stats.divB_error_max = fmaxf(stats.divB_error_max, mhd_get_divB_error(p, xp));
+
/* Collect square of magnetic field vector norm */
stats.Brms += mhd_get_Bms(p, xp);
}
@@ -867,22 +871,26 @@ void stats_write_file_header(FILE *file, const struct unit_system *restrict us,
"magnetic field divergence error. \n");
fprintf(file, "# Unit = dimensionless\n");
fprintf(file,
- "# (36) Total Cross Helicity :: sum(V.B) in the "
+ "# (36) Maximum over all particles of the dimensionless "
+ "magnetic field divergence error. \n");
+ fprintf(file, "# Unit = dimensionless\n");
+ fprintf(file,
+ "# (37) Total Cross Helicity :: sum(V.B) in the "
"simulation. \n");
fprintf(file, "# Unit = %e gram * cm * s**-3 * A**-1 \n",
units_cgs_conversion_factor(us, UNIT_CONV_MAGNETIC_CROSS_HELICITY));
fprintf(file,
- "# (37) Total Magnetic Helicity :: sum(A.B) in the "
+ "# (38) Total Magnetic Helicity :: sum(A.B) in the "
"simulation. \n");
fprintf(file, "# Unit = %e gram**2 * cm * s**-4 * A**-2\n",
1. / units_cgs_conversion_factor(us, UNIT_CONV_MAGNETIC_HELICITY));
- fprintf(file, "# (38) Root mean squared magnetic field strength. \n");
+ fprintf(file, "# (39) Root mean squared magnetic field strength. \n");
fprintf(file, "# Unit = %e gram * A**-1 * s**-2\n",
units_cgs_conversion_factor(us, UNIT_CONV_MAGNETIC_FIELD_SQUARED));
- fprintf(file, "# (39) Total bolometric luminosity of the BHs. \n");
+ fprintf(file, "# (40) Total bolometric luminosity of the BHs. \n");
fprintf(file, "# Unit = %e erg * s**-1\n",
units_cgs_conversion_factor(us, UNIT_CONV_POWER));
- fprintf(file, "# (40) Total jet power of the BHs. \n");
+ fprintf(file, "# (41) Total jet power of the BHs. \n");
fprintf(file, "# Unit = %e erg * s**-1\n",
units_cgs_conversion_factor(us, UNIT_CONV_POWER));
@@ -891,25 +899,25 @@ void stats_write_file_header(FILE *file, const struct unit_system *restrict us,
file,
"#%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s "
"%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s "
- "%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s \n",
+ "%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s \n",
"(0)", "(1)", "(2)", "(3)", "(4)", "(5)", "(6)", "(7)", "(8)", "(9)",
"(10)", "(11)", "(12)", "(13)", "(14)", "(15)", "(16)", "(17)", "(18)",
"(19)", "(20)", "(21)", "(22)", "(23)", "(24)", "(25)", "(26)", "(27)",
"(28)", "(29)", "(30)", "(31)", "(32)", "(33)", "(34)", "(35)", "(36)",
- "(37)", "(38)", "(39)", "(40)");
+ "(37)", "(38)", "(39)", "(40)", "(41)");
fprintf(
file,
"#%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s "
"%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s "
- "%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s \n",
+ "%14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s %14s \n",
"Step", "Time", "a", "z", "Total mass", "Gas mass", "DM mass",
"Sink mass", "Star mass", "BH mass", "Gas Z mass", "Star Z mass",
"BH Z mass", "Kin. Energy", "Int. Energy", "Pot. energy", "Rad. energy",
"Gas Entropy", "CoM x", "CoM y", "CoM z", "Mom. x", "Mom. y", "Mom. z",
"Ang. mom. x", "Ang. mom. y", "Ang. mom. z", "BH acc. rate",
"BH acc. mass", "BH sub. mass", "Gas H mass", "Gas H2 mass",
- "Gas HI mass", "Gas He mass", "Mag. Energy", "DivB err", "Cr. Helicity",
- "Mag. Helicity", "RMS mag. field", "BH bol. lum.", "BH jet power");
+ "Gas HI mass", "Gas He mass", "Mag. Energy", "DivB err", "Max divB err", "Cr. Helicity",
+ "Mag. Helicity", "RMS B field", "BH bol. lum.", "BH jet power");
fflush(file);
}
@@ -936,7 +944,8 @@ void stats_write_to_file(FILE *file, const struct statistics *stats,
file,
" %14d %14e %14.7f %14.7f %14e %14e %14e %14e %14e %14e %14e %14e %14e "
"%14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e "
- "%14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e\n",
+ "%14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e %14e "
+ "%14e\n",
step, time, a, z, stats->total_mass, stats->gas_mass, stats->dm_mass,
stats->sink_mass, stats->star_mass, stats->bh_mass, stats->gas_Z_mass,
stats->star_Z_mass, stats->bh_Z_mass, stats->E_kin, stats->E_int, E_pot,
@@ -945,7 +954,7 @@ void stats_write_to_file(FILE *file, const struct statistics *stats,
stats->mom[1], stats->mom[2], stats->ang_mom[0], stats->ang_mom[1],
stats->ang_mom[2], stats->bh_accretion_rate, stats->bh_accreted_mass,
stats->bh_subgrid_mass, stats->gas_H_mass, stats->gas_H2_mass,
- stats->gas_HI_mass, stats->gas_He_mass, stats->E_mag, stats->divB_error,
+ stats->gas_HI_mass, stats->gas_He_mass, stats->E_mag, stats->divB_error, stats->divB_error_max,
stats->H_cross, stats->H_mag, stats->Brms,
stats->bh_bolometric_luminosity, stats->bh_jet_power);
diff --git a/src/statistics.h b/src/statistics.h
index 964047f99d713cd9f353f755e38d80846f0a791a..325d2b1d76d2a4d4bd5bccfbff3770dffc271ad4 100644
--- a/src/statistics.h
+++ b/src/statistics.h
@@ -123,9 +123,12 @@ struct statistics {
/*! Total Magnetic Energy */
double E_mag;
- /*! Total divB error */
+ /*! Mean divB error */
double divB_error;
+ /*! Maximal divB error */
+ double divB_error_max;
+
/*! Total Cross Helicity */
double H_cross;