Shear stress and sediment transport rate calculations for non-linear waves

Suntoyo, Hitoshi Tanaka, Ahmad Sana

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

1 Citation (Scopus)

Abstract

It is envisaged that boundary layers and bottom shear stress behaviors having the effect of acceleration in the wave asymmetry and skew-ness are different from those in sinusoidal waves. Therefore, the asymmetric and skew waves cause a net cross-shore transport of sediment over a complete wave cycle. In the present paper, a new calculation method of bottom shear stress based on incorporating velocity and acceleration terms is applied to the calculation of the sediment transport induced by cnoidal wave as representative of the non-linear wave. Moreover, the bottom shear stress calculation methods are examined through both a two-layer baseline (BSL) k-ω model and the experimental result on turbulent boundary layer for cnoidal waves. The acceleration effect on both the bottom shear stress and sediment transport under cnoidal waves are examined according to the wave non-linearity effect, respectively.

Original languageEnglish
Title of host publicationProceedings of the 30th International Conference on Coastal Engineering 2006, ICCE 2006
PublisherAmerican Society of Civil Engineers (ASCE)
Pages2308-2317
Number of pages10
ISBN (Print)9789812706362
DOIs
Publication statusPublished - 2007
Event30th International Conference on Coastal Engineering, ICCE 2006 - San Diego, CA, United States
Duration: 2006 Sep 32006 Sep 8

Publication series

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

Other

Other30th International Conference on Coastal Engineering, ICCE 2006
Country/TerritoryUnited States
CitySan Diego, CA
Period06/9/306/9/8

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ocean Engineering
  • Oceanography

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