SPH modeling of wave interaction with partially perforated caissons

Bing Ren, Cheng Chen, Ping Dong, Yabin Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The perforated caissons are widely used to decrease wave force and reflection effectively in costal engineering. The nonlinear interactions between waves and partially perforated caissons are investigated using the weakly compressible Smoothed Particle Hydrodynamic (WCSPH) method. An improved algorithm based on the dynamic boundary particles (DBPs) is proposed to treat the solid boundary. The performance of the model is validated by the analytical solution of the surface elevations and wave pressures in front of the vertical wall. The SPH results of the reflection coefficients of the perforated caissons are compared with the available experiment data and good agreements are obtained. The wave pressures on the perforated front wall and the rear wall are analyzed. The effects of the relative wave chamber width B/Lc and the porosity of the perforated wall on the wave energy dissipation of the perforated caissons are discussed.

Original languageEnglish
Title of host publicationProceedings of the 26th International Ocean and Polar Engineering Conference, ISOPE 2016
PublisherInternational Society of Offshore and Polar Engineers
Pages198-205
Number of pages8
Volume2016-January
ISBN (Electronic)9781880653883
Publication statusPublished - 2016
Event26th Annual International Ocean and Polar Engineering Conference, ISOPE 2016 - Rhodes, Greece
Duration: 26 Jun 20161 Jul 2016

Conference

Conference26th Annual International Ocean and Polar Engineering Conference, ISOPE 2016
CountryGreece
CityRhodes
Period26/06/161/07/16

Keywords

  • Perforated caisson
  • Reflection coefficient
  • SPH method
  • The relative wave chamber width

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