Wave diffraction due to areas of energy dissipation

Robert A. Dalrymple, James T. Kirby, Paul A. Hwang

Research output: Contribution to journalArticlepeer-review

298 Scopus citations

Abstract

A parabolic model for calculating the combined refraction/diffraction of monochromatic linear waves is developed, including a term which allows for the dissipation of wave energy. The coefficient of the dissipation term is related to a number of dissipative models. Wave calculations are performed for a localized area of dissipation, based on a friction model for a spatial distribution of rigid vertical cylinders. The region of localized dissipation creates a shadow region of low wave energy, which may have important implications for the response of neighboring shore lines.

Original languageEnglish (US)
Pages (from-to)67-79
Number of pages13
JournalJournal of Waterway, Port, Coastal and Ocean Engineering
Volume110
Issue number1
DOIs
StatePublished - Nov 1984

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology
  • Ocean Engineering

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