TY - GEN

T1 - Shear stress and sediment transport rate calculations for non-linear waves

AU - Suntoyo,

AU - Tanaka, Hitoshi

AU - Sana, Ahmad

PY - 2007

Y1 - 2007

N2 - 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.

AB - 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.

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U2 - 10.1142/9789812709554_0195

DO - 10.1142/9789812709554_0195

M3 - Conference contribution

AN - SCOPUS:84873043076

SN - 9789812706362

T3 - Proceedings of the Coastal Engineering Conference

SP - 2308

EP - 2317

BT - Proceedings of the 30th International Conference on Coastal Engineering 2006, ICCE 2006

PB - American Society of Civil Engineers (ASCE)

T2 - 30th International Conference on Coastal Engineering, ICCE 2006

Y2 - 3 September 2006 through 8 September 2006

ER -