Three-dimensional time-dependent water flows with constant non-vanishing vorticity and depth dependent density

Journal Article (2025)
Author(s)

Anna Geyer (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Calin I. Martin (Interdisciplinary Research Institute on Bio-Nano-Science of Babes-Bolyai University)

Research Group
Mathematical Physics
DOI related publication
https://doi.org/10.1016/j.physd.2025.134523 Final published version
More Info
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Publication Year
2025
Language
English
Research Group
Mathematical Physics
Journal title
Physica D: Nonlinear Phenomena
Volume number
472
Article number
134523
Downloads counter
117
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Abstract

We show that the movement of a time-dependent gravity water flow with constant non-zero vorticity and continuously depth dependent density satisfying the three-dimensional water wave equations is essentially two-dimensional: the velocity field, the pressure and the free surface do not change in the direction orthogonal to the direction of propagation. Our result is true both for the inviscid as well as for the viscous water wave problem.