Overturning of a solitary wave on a continental shelf

Ching Jer Huang, Chun Yuan Lin

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

Abstract

In this study numerical model was developed to solve the unsteady two-dimensional Reynolds Averaged Navier-Stokes (RANS) equations and the turbulent k-ε equations for simulating the evolution of a breaking solitary wave above a continental shelf. A hybrid particle level set method was adopted to capture the complex free surface evolution, beginning from the steepening of the wave profile to the wave breaking, which was accompanied by the air entrainment, then followed by the successive splash-ups. The governing equations were discretized by the finite-analytic method and the SIMPLER algorithm was used to calculate the coupled velocity and pressure fields. Accuracy of the advection scheme of the level set method was confirmed by solving the Zalesak problem. Before we proceed to investigate the evolution of breaking solitary wave on a continental shelf, our numerical results were compared with the experimental data. After having verified the accuracy of the present numerical scheme, both the evolution and kinematic properties of the overturning waves on the shelf have been revealed to details. Furthermore, our numerical simulation shows that during the overturning of the solitary wave, the maximum velocity of the fluid particles occurs at the region near the second reattachment point with a high speed of 1.84 √gh.

Original languageEnglish
Title of host publicationProceedings of the 18th 2008 International Offshore and Polar Engineering Conference, ISOPE 2008
PublisherInternational Society of Offshore and Polar Engineers
Pages782-787
Number of pages6
ISBN (Print)9781880653708
Publication statusPublished - 2008 Jan 1
Event18th 2008 International Offshore and Polar Engineering Conference, ISOPE 2008 - Vancouver, BC, Canada
Duration: 2008 Jul 62008 Jul 11

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Other

Other18th 2008 International Offshore and Polar Engineering Conference, ISOPE 2008
CountryCanada
CityVancouver, BC
Period08-07-0608-07-11

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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