Diffraction of oblique waves by thick rectangular barriers

Muhittin Söylemez*, Ömer Gören

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

A complete analytical solution is presented for the linear diffraction of oblique waves by horizontal rectangular cylinders either fixed at the free surface or mounted on the sea bed in a finite-depth of water. Helmholtz equation is employed as the governing differential equation obtained by reducing the 3-D oblique wave scattering problem to a 2-D case. According to the method proposed, the fluid region is divided into three sub-regions in which the governing differential equation is solved by the separation of variables. The solutions for each region are then matched on the common boundaries of sub-regions to determine the unknowns of the eigen series expansions and Fourier series. Thus transmitted and reflected waves are obtained in the far-field, and forces and moments acting on the rectangular cylinder fixed at the free surface are also given. Comparisons are made in order to check the accuracy of the method.

Original languageEnglish
Pages (from-to)345-353
Number of pages9
JournalApplied Ocean Research
Volume25
Issue number6
DOIs
Publication statusPublished - Dec 2003

Keywords

  • Linear diffraction problem
  • Oblique waves
  • Separation of variables
  • Thick rectangular barriers

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