Abstract

Abstract

Highlights

  • The interaction between surface water waves and underlying currents affects the wave properties significantly (Longuet-Higgins & Stewart 1961), as confirmed by experiments, e.g. Swan, Cummins & James (2001)

  • We report on a new branch of the bifurcation curve for waves on rotational flows with discontinuous vorticity and investigate the pressure beneath the waves for flows with nearly approaching stagnation points

  • We focus on the new part of the bifurcation curves, pressure distribution and particle paths under flows with nearly approaching stagnation points

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Summary

Introduction

The interaction between surface water waves and underlying currents affects the wave properties significantly (Longuet-Higgins & Stewart 1961), as confirmed by experiments, e.g. Swan, Cummins & James (2001). The interaction between surface water waves and underlying currents affects the wave properties significantly (Longuet-Higgins & Stewart 1961), as confirmed by experiments, e.g. Of most interest is the problem of two-dimensional (2-D) periodic water waves propagating on a steady current. A large number of theoretical studies and numerical investigations have been dedicated to this problem. It is still far from being fully understood. A comprehensive introduction to nonlinear wave–current interactions can be found in Constantin (2011)

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