Stable seeming core collapse configuration.

config/templates/core_collapse.conf

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+
+
+/*
+ * =============================================================================
+ * "Compile-time" params
+ * =============================================================================
+ */
+AC_nx = 128
+AC_ny = 128
+AC_nz = 128
+
+AC_dsx = 0.04908738521
+AC_dsy = 0.04908738521
+AC_dsz = 0.04908738521
+
+/*
+ * =============================================================================
+ * Run-time params
+ * =============================================================================
+ */
+AC_max_steps = 501
+AC_save_steps = 10
+AC_bin_steps = 100
+AC_bin_save_t = 1e666
+
+// Hydro
+AC_cdt = 0.4
+AC_cdtv = 0.3
+AC_cdts = 1.0
+AC_nu_visc  = 5e-3
+AC_cs_sound = 1.0
+AC_zeta = 0.01
+
+// Magnetic
+AC_eta = 5e-3
+AC_mu0 = 1.4
+AC_chi = 0.0001
+
+// Forcing
+AC_relhel = 0.0
+AC_forcing_magnitude = 1e-20
+AC_kmin              = 0.8
+AC_kmax              = 1.2
+
+
+// Entropy
+AC_cp_sound = 1.0
+AC_gamma = 0.5
+AC_lnT0 = 1.2
+AC_lnrho0 = 1.3
+
+// Sink Particle
+AC_sink_pos_x = 3.14
+AC_sink_pos_y = 3.14
+AC_sink_pos_z = 3.14
+
+//AC_M_sink_Msun = 0.005
+AC_M_sink_Msun = 1e-4 //1e-5 
+AC_soft = 0.36
+AC_accretion_range = 0.25
+
+// Physical properties of the domain
+// Typical 1km/s velocity
+AC_unit_velocity = 1e5
+// using density estimate of 100 H2 molecules per cm^3.
+AC_unit_density = 3e-20
+// using 100,000 A.U.
+AC_unit_length = 1.5e17
+/*
+ * =============================================================================
+ * Initial conditions
+ * =============================================================================
+ */
+AC_ampl_lnrho = 0.0
+AC_ampl_uu = 0.0