EXPERIMENTAL STUDY OF THREE-DIMENSIONAL WAVE BREAKING

This study investigates two cases of three-dimensional wave breaking. In the first case, the wave field contains a single frequency with a uniform angular spreading within a given range {- alpha, alpha}. The wave field of the second case consists of a number of frequencies with a uniform angular spreading applied to each frequency. In both cases, the waves are designed such that the wave energy is focused at a given point. Surface elevation in the focusing region is recorded and parameters such as the breaking- wave height and the crest-front steepness, and vertical asymmetry factor, at breaking, are strong functions of the angular spreading, while the crest-rear steepness and horizontal asymmetry factor are little affected by the angular spreading. In general, the greater the spreading angle, the bigger are the breakers. It is hoped that the results obtained will provide a useful preliminary assessment of the importance of three-dimensionality in wave breaking.

  • Supplemental Notes:
    • J Waterway Port Coastal & Ocean Engng, v 120 n 1, Jan/Feb 1994, p 20 [17 p, 17 ref, 2 tab, 12 fig]
  • Authors:
    • She, K
    • Greated, C A
    • Easson, W J
  • Publication Date: 1994

Language

  • English

Subject/Index Terms

Filing Info

  • Accession Number: 00716108
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Feb 28 1996 12:00AM