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Fixed scaling for sink particle, and added softening factor.

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This commit is contained in:
JackHsu
2019-08-01 16:33:58 +08:00
parent 718a275bcf
commit 29d6a9b00a
5 changed files with 15 additions and 8 deletions
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6
src/standalone/config_loader.cc
View File

@@ -137,19 +137,17 @@ update_config(AcMeshInfo* config)
6.674e-8); // g/cm3/s GGS definition //TODO define in a separate module
AcReal M_sun = AcReal(1.989e33); // g solar mass
config->real_params[AC_M_star] = config->real_params[AC_M_star] * M_sun /
config->real_params[AC_M_sink] = config->real_params[AC_M_sink] * M_sun /
((config->real_params[AC_unit_length] *
config->real_params[AC_unit_length] *
config->real_params[AC_unit_length]) *
config->real_params[AC_unit_density]);
config->real_params[AC_G_CONST] = G_CONST_CGS / ((config->real_params[AC_unit_velocity] *
config->real_params[AC_G_const] = G_CONST_CGS / ((config->real_params[AC_unit_velocity] *
config->real_params[AC_unit_velocity]) /
(config->real_params[AC_unit_density] *
config->real_params[AC_unit_length]));
config->real_params[AC_GM_star] = config->real_params[AC_M_star] *
config->real_params[AC_G_CONST];
config->real_params[AC_sq2GM_star] = AcReal(sqrt(AcReal(2) * config->real_params[AC_GM_star]));
#if VERBOSE_PRINTING // Defined in astaroth.h

3
src/standalone/simulation.cc
View File

@@ -95,6 +95,9 @@ write_mesh_info(const AcMeshInfo* config)
fprintf(infotxt, "real AC_sink_pos_y %e \n", (double)config->real_params[AC_sink_pos_y]);
fprintf(infotxt, "real AC_sink_pos_z %e \n", (double)config->real_params[AC_sink_pos_z]);
fprintf(infotxt, "real AC_M_sink %e \n", (double)config->real_params[AC_M_sink]);
fprintf(infotxt, "real AC_soft %e \n", (double)config->real_params[AC_soft]);
fprintf(infotxt, "real AC_G_const %e \n", (double)config->real_params[AC_G_const]);
fclose(infotxt);
}