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Three-dimensional adaptive mesh refinement simulations of point-symmetric nebulae

Rijkhorst, EJ; Icke, V; Mellema, G; (2004) Three-dimensional adaptive mesh refinement simulations of point-symmetric nebulae. In: Meixner, M and Kastner, JH and Balick, B and Soker, N, (eds.) ASYMMETRICAL PLANETARY NEBULAE III. (pp. 472 - 475). ASTRONOMICAL SOC PACIFIC

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Abstract

Previous analytical and numerical work shows that the generalized interacting stellar winds model can explain the observed bipolar shapes of planetary nebulae very well. However, many circumstellar nebulae have a multipolar or point-symmetric shape. With two-dimensional calculations, Icke showed that these seemingly enigmatic forms can be easily reproduced by a two-wind model in which the confining disk is warped, as is expected to occur in irradiated disks. In this contribution we present the extension to fully three-dimensional adaptive mesh refinement simulations of such an interaction.

Type:Proceedings paper
Title:Three-dimensional adaptive mesh refinement simulations of point-symmetric nebulae
Event:Meeting on Asymmetrical Planetary Nebulae III
Location:Mt Rainier, WA
Dates:2003-07-28 - 2003-08-01
ISBN:1-58381-168-0
Keywords:PLANETARY-NEBULAE, ACCRETION DISCS, DISKS, EVOLUTION, BUBBLES, JETS
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering

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