Statistics – Computation
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...253..224i&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 253, no. 1, Jan. 1992, p. 224-243. Research supported by Leids Kerkhoven-Bossc
Statistics
Computation
112
Bubbles, Computational Astrophysics, Hydrodynamics, Interstellar Matter, Planetary Nebulae, Stellar Mass Ejection, Asphericity, Gas Density, Gray Scale, Mathematical Models, Propagation Velocity, Shock Wave Propagation
Scientific paper
Initial results are presented from numerical hydrodynamic calculations of the early evolution of aspherical planetary nebulae. It is found that the interacting winds produce the customary triple discontinuity, and that the outer shock's morphology conforms with remarkable fidelity to the analytic expectations. The inner shock develops in transient fashion, due to a reflection off the equatorial belt in which the shock deflects and focuses the fast wind. The shapes of the contact discontinuity and the flow behind the leading shock indicate two qualitatively distinct patterns.
Balick Bruce
Frank Adam
Icke Vincent
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