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A Model of Time-Dependent and Non-Local Convection Included in a Stellar Evolution Code

Published online by Cambridge University Press:  12 April 2016

Martin Flaskamp
Martin Flaskamp*
Affiliation:
Max-Planck-Institut für Astrophysik, Karl-Schwarzschildstraße 1, D85741 Garching, Germany

Abstract

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The Kuhfuß theory of convection is derived from the exact hydrodynamic equations by means of anelastic approximation and diffusion approximation. In the local and time-independent limit the result is identical to the MLT case. In the more general case the theory includes overshooting and convective mixing as well as time-dependence. We present test calculations in a simple box model and first steps toward the implementation in a stellar code.

Type
Part 4. The Interaction between Convection and Pulsation
Information
International Astronomical Union Colloquium , Volume 185: Radial and Nonradial Pulsations as Probes of Stellar Physics , 2002 , pp. 456 - 457
Copyright
Copyright © Astronomical Society of the Pacific 2002

References

Kuhfuß, R. 1986, A&A, 160, 116 Google Scholar