Breaking Waves pp 267-275 | Cite as

Numerical Experiments on the Evolution of Fetch Limited Waves

  • I. R. Young
  • M. L. Banner
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)


A numerical wave model with a full solution to the nonlinear spectral transfer terms is used to determine whether the atmospheric input and dissipation source terms proposed in previous wave model studies are consistent with observed fetch limited data. It is shown that existing representations are at variance with observed data and that their spectral form is biased by assumptions made to reduce the computational time. A more appropriate representation is developed with an input source term proportional to the square of the inverse wave age and a dissipation source term proportional to the square of the wave number. The results also raise questions as to the applicability of presently used directional spreading models.


Source Term Dissipation Term Directional Spectrum Wave Number Spectrum Directional Wave Spectrum 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • I. R. Young
    • 1
    • 2
  • M. L. Banner
    • 1
    • 2
  1. 1.Dept. of Civil & Maritime EngineeringUniversity College, ADFACanberraAustralia
  2. 2.School of MathematicsUniversity of NSWSydneyAustralia

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