Non-linear dynamics of gravity wave driven flows in the solar radiative interior

T. M. Rogers, K. B. MacGregor, G. A. Glatzmaier

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

We present results of non-linear numerical simulations of gravity wave driven shear flow oscillations in the equatorial plane of the solar radiative interior. These results show that many of the assumptions of quasi-linear theory are not valid. When only two waves are forced (prograde and retrograde), oscillatory mean flow is maintained; but critical layers often form and are dynamically important. When a spectrum of waves is forced, the non-linear wave-wave interactions are dynamically important, often acting to decrease the maintenance of a mean flow. The (in)coherence of such wave-wave interactions must be taken into account when describing wave-driven mean flows.

Original languageEnglish (US)
Pages (from-to)616-630
Number of pages15
JournalMonthly Notices of the Royal Astronomical Society
Volume387
Issue number2
DOIs
StatePublished - Jun 1 2008

Keywords

  • Hydrodynamics
  • Sun: interior
  • Waves

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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