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Predictive model for wave-induced currents and 3D beach evolution based on FAVOR Method

Kuroiwa, Masamitsu    (Department of Civil Engineering, Tottori University   ); Abualtayef, Mazen    (Department of Civil Engineering, Tottori University   ); Takada, Tetsushi    (Department of Civil Engineering, Tottori University   ); Sief, Ahmed Khaled    (Department of Civil Engineering, Tottori University   ); Matsubara, Yuehi    (Department of Civil Engineering, Tottori University  );
  • 초록

    The development of a numerical model using the fractional area/volume obstacle representation (FAVOR) method for predicting a nearshore current field bounded by complicated geometric shapes, and a three-dimensional (3D) beach evolution was described in this article. The 3D model was first tested against three cases to simulate the nearshore current fields around coastal structures, a river mouth, and a large scale cusp bathymetry. Then, the morphodynamic model tests, which are adopting the nearshore current model, were applied for the computations of beach evolution around a detached breakwater and two groins. It was confirmed that the presented model associated with the FAVOR method was useful to predict the nearshore current field in the vicinity of the complicated geometric shapes. Finally, the model was applied to a tombolo formation in a field site of Kunnui fishery port, which is located in Hokkaido, Japan.


  • 주제어

    FAVOR method .   Nearshore current .   Beach evolution .   Detached breakwater.  

  • 참고문헌 (9)

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    5. Kuroiwa, M. Kuchiishi, T. Kato, K. Sunagawa, S. and Matsubara, Y., 2008. Applicability of coastal area model to morphodynamics around river mouth. Proc. of 31st International Conference on Coastal Engineering, ASCE, 3, pp.2218-2230. 
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    7. Sawaragi, T. Lee, J.S. and Deguchi, I., 1985. A new model for prediction of beach deformation around river mouth. Proc. of International Symposium on Ocean Space Utilization, pp. 229-236. 
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