Langmuir Circulation With Explicit Surface Waves From Moving-Mesh Modeling

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2 Scopus citations

Abstract

Using a moving-mesh, nonhydrostatic, spectral element model, we simulate Langmuir circulation with Navier-Stokes equations under explicit, freely propagating surface waves. For comparison, Langmuir circulation is also simulated with Craik-Leibovich (C-L) equations. In both simulations, the Langmuir circulations are very similar, including temporal formation progresses and spatial structures; however, the strength of Langmuir circulation in the C-L simulation is a bit weaker, which we suggest is due to the lack of Eulerian mean drift induced by fluid viscosity in the presence of explicit surface waves.

Original languageEnglish (US)
Pages (from-to)216-226
Number of pages11
JournalGeophysical Research Letters
Volume45
Issue number1
DOIs
StatePublished - Jan 16 2018

Keywords

  • explicit surface waves
  • moving-mesh model
  • radiation stress
  • viscosity-induced Eulerian mean drift
  • vortex force

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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