Numerical study on water waves and wave-induced longshore currents in Obak&#246;y coastal water

TANG Jun; LYU Yigang; SHEN Yongming

doi:10.1007/s13131-014-0515-5

Volume 33 Issue 9

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TANG Jun, LYU Yigang, SHEN Yongming. Numerical study on water waves and wave-induced longshore currents in Obaköy coastal water[J]. Acta Oceanologica Sinica, 2014, 33(9): 40-46. doi: 10.1007/s13131-014-0515-5

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Numerical study on water waves and wave-induced longshore currents in Obaköy coastal water

doi: 10.1007/s13131-014-0515-5

State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China

Received Date: 2013-10-11
Rev Recd Date: 2014-01-24

Abstract

Abstract

In this paper, the water waves and wave-induced longshore currents in Obaköy coastal water which is located at the Mediterranean coast of Turkey were numerically studied. The numerical model is based on the parabolic mild-slope equation for coastal water waves and the nonlinear shallow water equation for the wave-induced currents. The wave transformation under the effects of shoaling, refraction, diffraction and breaking is considered, and the wave provides radiation stresses for driving currents in the model. The numerical results for the water wave-induced longshore currents were validated by the measured data to demonstrate the efficiency of the numerical model. Then the water waves and longshore currents induced by the waves from main directions were numerically simulated and analyzed based on the numerical results. The numerical results show that the movement of the longshore currents was different while the wave propagated to a coastal zone from different directions.
- coast hydrodynamics,
- water wave,
- mild-slope equation,
- wave-induced currents,
- numerical modeling

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References

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