Changes between Version 51 and Version 52 of u/erica/CoreCollapseBlog
- Timestamp:
- 04/17/18 15:41:47 (7 years ago)
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u/erica/CoreCollapseBlog
v51 v52 20 20 || Eff. resolution (cm) || dx = 1.43e+7 (cm) || 21 21 || Mtot (total mass in box) || Mbox = 5 solar masses || 22 || Msphere || Msphere = 3solar masses ||22 || Msphere || Msphere = 2 solar masses || 23 23 24 24 === Physics === … … 28 28 || Cooling || Not turned on -- need to add neutrino source term cooling || 29 29 || Self-gravity || On || 30 31 === Things to still work-on ===32 33 -Sink particle initialization to match progenitor mass?[[br]]34 -Turning off sink creation/accretion? [[br]]35 -Modifying cooling function to account for neutrino cooling [[br]]36 -Initiating collapse? [[br]]37 -Add magnetic fields38 30 39 31 === Results === … … 46 38 47 39 At an effective resolution of ~$dx = .0019$, the sphere is very close to HSE within .1 of its radius. 40 41 HSE here is defined as the difference of the magnitude of the gravitational and pressure acceleration: 42 43 $HSE = mag[\nabla \phi_g] - mag[ \frac{\nabla P}{\rho} ]$ 44 45 ==== Radial profiles over time: ==== 46 47 The following radial profile movies show the sphere is quasi-stable over 2 dynamical times, entering a breathing mode as it slowly adjusts to its HSE initialization: 48 49 || density (g/cm^3^) || movie || 50 || pressure (Ba) || movie || 51 || radial mach number || movie || 52 || HSE || movie || 53 54 ==== Mesh ==== 55 56 The mesh/setup at the final time looks like: 57 58 [[Image(mesh_octant_2tff.png, 35%)]] 59 60 === Things to still work-on === 61 62 -Sink particle initialization to match progenitor mass?[[br]] 63 -Turning off sink creation/accretion? [[br]] 64 -Modifying cooling function to account for neutrino cooling [[br]] 65 -Initiating collapse? [[br]] 66 -Add magnetic fields 48 67 49 68 = 3/15/ 18 =