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stable disk-like model.

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This commit is contained in:
JackHsu
2019-08-23 16:45:23 +08:00
parent 833319ad01
commit 5617eaac8a
4 changed files with 36 additions and 244 deletions
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251
analysis/python/jupyter/notebook_example.ipynb
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File diff suppressed because one or more lines are too long

12
config/templates/core_collapse.conf
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@@ -18,18 +18,18 @@ AC_dsz = 0.04908738521
* Run-time params
* =============================================================================
*/
AC_max_steps = 501
AC_save_steps = 10
AC_bin_steps = 100
AC_max_steps = 20001
AC_save_steps = 50
AC_bin_steps = 1000
AC_bin_save_t = 1e666
// Hydro
AC_cdt = 0.4
AC_cdtv = 0.3
AC_cdts = 1.0
AC_nu_visc = 5e-3
AC_nu_visc = 5e-4
AC_cs_sound = 1.0
AC_zeta = 0.01
AC_zeta = 0.0
// Magnetic
AC_eta = 5e-3
@@ -72,4 +72,4 @@ AC_unit_length = 1.5e17
* =============================================================================
*/
AC_ampl_lnrho = 0.0
AC_ampl_uu = 0.0
AC_ampl_uu = 2e10

15
src/standalone/model/host_memory.cc
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@@ -254,6 +254,8 @@ simple_uniform_core(AcMesh* mesh)
//TEMPORARY TEST INPUT PARAMETERS
const double core_radius = DX*32.0;
const double trans = DX*12.0;
const double vel_scale = mesh->info.real_params[AC_ampl_uu];
double abso_vel;
RR = 1.0;
printf("%e %e %e \n", RR, trans, core_radius);
@@ -274,12 +276,19 @@ simple_uniform_core(AcMesh* mesh)
//tanhRR = double(-0.5)*tanh((core_radius-RR)/trans) + double(0.5)
// + double(0.1);
tanhRR = double(1.0);
if (RR >= mesh->info.real_params[AC_soft]) {
abso_vel = c * sqrt(2.0 * mesh->info.real_params[AC_G_const] * mesh->info.real_params[AC_M_sink_init] / RR);
abso_vel = vel_scale * sqrt(2.0 * mesh->info.real_params[AC_G_const] * mesh->info.real_params[AC_M_sink_init] / RR);
} else {
abso_vel = 0.0;
RR = 1.0;
}
mesh->vertex_buffer[VTXBUF_LNRHO][idx] = log(exp(ampl_lnrho)*tanhRR);
mesh->vertex_buffer[VTXBUF_UUX][idx] = double(0.0);
mesh->vertex_buffer[VTXBUF_UUY][idx] = double(0.0);
mesh->vertex_buffer[VTXBUF_UUX][idx] = -abso_vel * (yy / RR);
mesh->vertex_buffer[VTXBUF_UUY][idx] = abso_vel * (xx / RR);
mesh->vertex_buffer[VTXBUF_UUZ][idx] = double(0.0);
}

2
src/standalone/simulation.cc
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@@ -272,7 +272,7 @@ run_simulation(void)
int on_off_switch;
if (i < 1) {
on_off_switch = 0; //accretion is off till 1000 steps.
on_off_switch = 0; //accretion is off till certain amount of steps.
} else {
on_off_switch = 1;
}