Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ap%26ss.245..239m&link_type=abstract
Astrophysics and Space Science, Volume 245, Issue 2, pp.239-253
Astronomy and Astrophysics
Astrophysics
6
Planetary Nebulae, Hydrodynamics, Numerical Models
Scientific paper
This article tries to give a short review of the hydrodynamic modelling of Planetary Nebulae to date. I start by discussing the types of observations the modelling aims to reproduce and then discuss the results of different types of models. First the ‘simplified’ models in which evolutionary changes in the stellar properties are neglected, then the ‘evolutionary’ models in which these effects are taken into account. The ‘simplified’ models can reproduce single shell nebulae with the right kinematic properties. The ‘evolutionary’ models can reproduce multiple shells and some of the kinematic and morphological differences between various ions. I also briefly discuss some of the difficulties which have not been addressed and/or solved by the numerical modelling, such as the point-symmetric nebulae, some of the collimated phenomena, and clumpiness.
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