Bed stress investigation under breaking solitary wave runup

Mohammad Bagus Adityawan, Hitoshi Tanaka, Pengzhi Lin

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

Abstract

The bed stress under a breaking solitary wave runup was investigated in this study using the Simultaneous Coupling Method (SCM). The SCM couples the shallow water equation (SWE) with the k-ω model. The depth averaged velocity from the SWE is applied as the upper boundary condition in the k-ω model for the bed stress assessment from the boundary layer. It was found that the boundary layer approach provides more accurate bed stress estimation than the empirical method, which leads to a more accurate prediction of the runup height and the wave profile. The accumulation of the bed stress during a solitary wave runup was evaluated. The bed stress in the direction of leaving the shoreline will have more impact in the overall process. However, during a short period of the runup process, the bed stress toward the shoreline may have significant effect as well.

Original languageEnglish
Title of host publicationProceedings of the 33rd International Conference on Coastal Engineering 2012, ICCE 2012
PublisherAmerican Society of Civil Engineers (ASCE)
ISBN (Print)9780989661119
DOIs
Publication statusPublished - 2012
Event33rd International Conference on Coastal Engineering 2012, ICCE 2012 - Santander, Spain
Duration: 2012 Jul 12012 Jul 6

Publication series

NameProceedings of the Coastal Engineering Conference
ISSN (Print)0161-3782

Other

Other33rd International Conference on Coastal Engineering 2012, ICCE 2012
CountrySpain
CitySantander
Period12/7/112/7/6

Keywords

  • Bed stress
  • Boundary layer
  • Breaking wave
  • Runup
  • Solitary wave

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ocean Engineering
  • Oceanography

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