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Nonradial stellar oscillations excited by turbulent convection. (English) Zbl 0533.76047

The resonant excitation of the large-scale nonradial oscillations of a star by turbulent convection is considered. In the case of an incompressible inhomogeneous liquid sphere and a spherical shell, we have demonstrated the excitation of oscillations and have obtained the explicit analytic expressions for the oscillation amplitudes. The effect of uniform axial rotation of a star upon the oscillations has also been considered.

MSC:

76E20 Stability and instability of geophysical and astrophysical flows
85A05 Galactic and stellar dynamics
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