BED STRESS INVESTIGATION UNDER BREAKING SOLITARY WAVE RUNUP
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Keywords

breaking wave
solitary wave
runup
bed stress
boundary layer

How to Cite

Adityawan, M. B., Tanaka, H., & Lin, P. (2012). BED STRESS INVESTIGATION UNDER BREAKING SOLITARY WAVE RUNUP. Coastal Engineering Proceedings, 1(33), currents.23. https://doi.org/10.9753/icce.v33.currents.23

Abstract

The bed stress under breaking solitary wave runup was investigated in this study using the Simultaneous Coupling Method (SCM). The SCM couples the shallow water equation (SWE) with k-w model. The depth averaged velocity from SWE is applied as the upper boundary condition in k-w model for 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 runup and wave profile. The accumulation of bed stress in during solitary wave runup was evaluated. The bed stress on the direction leaving the shoreline will have more impact in the overall process. However, during a short period of run up process, bed stress toward the shoreline may have significant effect as well.
https://doi.org/10.9753/icce.v33.currents.23
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