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Development of a depth-integrated longshore current model with unstructured grids

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Abstract

A depth-integrated model for simulating wave-induced longshore current was developed with unstructured grids. Effects of surface roller and horizontal mixing under combined waves and currents were incorporated in the numerical model. Recommended values of model coefficients were also proposed based on sensitivity analysis. Field observations and three series of laboratory measurements including two cases conducted on the plane beach and one implemented on the ideal inlet were employed to examine the predictive capability of this model. For the field case and laboratory cases conducted on the plane beach, numerical results were compared favorably with the measured data. For the case with an ideal inlet, simulated circulation pattern is supposed to be reasonable although some deviations between numerical results and measured data still can be detected.

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Authors and Affiliations

  1. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin, 300072, China

    Chao Chen  (陈 超) & Qing-he Zhang  (张庆河)

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  1. Chao Chen  (陈 超)
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  2. Qing-he Zhang  (张庆河)
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Correspondence to Qing-he Zhang  (张庆河).

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Chen, C., Zhang, Qh. Development of a depth-integrated longshore current model with unstructured grids. China Ocean Eng 30, 718–732 (2016). https://doi.org/10.1007/s13344-016-0046-2

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  • DOI: https://doi.org/10.1007/s13344-016-0046-2

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