Characterizing the propagation of gravity waves in 3D nonlinear simulations of solar-like stars

Aug 13, 2015
13 pages
Published in:
  • Astron.Astrophys. 581 (2015) A112
  • Published: Sep 16, 2015
e-Print:

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Abstract: (EDP Sciences)
Context. The revolution of helio- and asteroseismology provides access to the detailed properties of stellar interiors by studying the star's oscillation modes. Among them, gravity (g) modes are formed by constructive interferences between progressive internal gravity waves (IGWs), propagating in stellar radiative zones. Our new 3D nonlinear simulations of the interior of a solar-like star allows us to study the excitation, propagation, and dissipation of these waves.
Note:
  • 14 pages, 12 figues, accepted by Astronomy & Astrophysics
  • hydrodynamics
  • stars: interiors
  • Sun: interior
  • turbulence
  • waves
  • wave: propagation
  • gravitational radiation: propagation
  • star
  • nonlinear
  • sphere