Commit e0b2ecee authored by Matthieu Schaller's avatar Matthieu Schaller
Browse files

Add cosmological conversion from internal velocity units to peculiar velocities.

parent 7a8a0fc9
......@@ -56,9 +56,15 @@ void convert_gpart_vel(const struct engine* e, const struct gpart* gp,
dt_kick_grav = (ti_current - ((ti_beg + ti_end) / 2)) * time_base;
}
/* Extrapolate the velocites to the current time */
ret[0] = gp->v_full[0] + gp->a_grav[0] * dt_kick_grav;
ret[1] = gp->v_full[1] + gp->a_grav[1] * dt_kick_grav;
ret[2] = gp->v_full[2] + gp->a_grav[2] * dt_kick_grav;
/* Conversion from internal units to peculiar velocities */
ret[0] *= cosmo->a2_inv;
ret[1] *= cosmo->a2_inv;
ret[2] *= cosmo->a2_inv;
}
/**
......
......@@ -106,7 +106,13 @@ void convert_part_vel(const struct engine* e, const struct part* p,
dt_kick_hydro = (ti_current - ((ti_beg + ti_end) / 2)) * time_base;
}
/* Extrapolate the velocites to the current time */
hydro_get_drifted_velocities(p, xp, dt_kick_hydro, dt_kick_grav, ret);
/* Conversion from internal units to peculiar velocities */
ret[0] *= cosmo->a2_inv;
ret[1] *= cosmo->a2_inv;
ret[2] *= cosmo->a2_inv;
}
/**
......
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