Abstract
Previous numerical hydrodynamics calculations (Simis et al. 2001) indicated that the concentric shells around post-AGB objects and Planetary Nebulae may form due to an instability in the AGB wind. In this presentation I show the results of a series of calculations for various stellar parameters (T*, L*) that should enable to determine when this instability takes place. Also, I present first results of calculations that follow the outflow on a timescale longer than that of the mass loss modulation (which is typically of the order of a hundred years). This enables to study the effect of stellar evolution on the wind
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References
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© 2003 Springer Science+Business Media Dordrecht
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Simis, Y. (2003). Time Dependent Modelling of Mass Loss on the AGB. In: Nakada, Y., Honma, M., Seki, M. (eds) Mass-Losing Pulsating Stars and their Circumstellar Matter. Astrophysics and Space Science Library, vol 283. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0139-7_15
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DOI: https://doi.org/10.1007/978-94-010-0139-7_15
Publisher Name: Springer, Dordrecht
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