Axisymmetric capillary water waves with vorticity and swirl connecting to static unduloid configurations

Anna-Mariya Otsetova, Erik Wahlén, Jörg Weber

Research output: Working paperPreprintScientific

Abstract

We study steady axisymmetric water waves with general vorticity and swirl, subject to the influence of surface tension. Explicit solutions to such a water wave problem are static configurations where the surface is an unduloid, that is, a periodic surface of revolution with constant mean curvature. We prove that to any such configuration there connects a global continuum of non-static solutions by means of a global implicit function theorem. To prove this, the key is strict monotonicity of a certain function describing the mean curvature of an unduloid and involving complete elliptic integrals. From this point of view, this paper is an interesting interplay between water waves, geometry, and properties of elliptic integrals.
Original languageEnglish
DOIs
Publication statusSubmitted - 11 Jan 2024
MoE publication typeNot Eligible

Keywords

  • Elliptic integrals
  • Vorticity
  • nonlinear functional analysis
  • Analysis of PDEs
  • Water wave problem

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