• DOI:10.1098/rspa.1974.0076
Corpus ID: 121348168

On three-dimensional packets of surface waves

@article{Davey1974OnTP,
  title={On three-dimensional packets of surface waves},
  author={A. Davey and K. Stewartson},
  journal={Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences},
  year={1974},
  volume={338},
  pages={101 - 110}
}

• A. Davey, K. Stewartson
• Published 1974
• Mathematics
• Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences

In this note we use the method of multiple scales to derive the two coupled nonlinear partial differential equations which describe the evolution of a three-dimensional wave-packet of wavenumber k on water of finite depth. The equations are used to study the stability of the uniform Stokes wavetrain to small disturbances whose length scale is large compared with 2π/k. The stability criterion obtained is identical with that derived by Hayes under the more restrictive requirement that the… Expand

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