Statistics – Computation
Scientific paper
Nov 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...262..768l&link_type=abstract
Astrophysical Journal, Part 1, vol. 262, Nov. 15, 1982, p. 768-779.
Statistics
Computation
44
Accretion Disks, Planetary Nebulae, Solar Corona, Stellar Evolution, Stellar Mass Accretion, Stellar Models, Boundary Value Problems, Computational Fluid Dynamics, Convective Flow, Ice, Similarity Theorem, Solar System, Steady State, Turbulent Flow, Viscous Flow
Scientific paper
The evolution of the primordial solar nebula under the action of convectively driven turbulent viscous stress is studied numerically under various physical conditions. The mass of the nebula is assumed to be small compared with that of the central sun, and the nebula is assumed to be in pressure equilibrium in the vertical direction. It is found that the central regions of the nebula always evolve into a quasi-stationary state such that the mass influx is independent of radius. The form of the complete solution is found to be self-similar and practically independent of initial conditions. Also, the evolution is examined taking into account the change in opacity at the ice-grain evaporation point and the effect of vertical infall of material.
Bodenheimer Peter
Lin Doug N. C.
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