ABSTRACT

Zou, T., 2018. Modeling and analysis of the influence of costal remediation and repair management project on the coastal erosion and siltation. In: Liu, Z.L. and Mi, C. (eds.), Advances in Sustainable Port and Ocean Engineering. Journal of Coastal Research, Special Issue No. 83, pp. 305–308. Coconut Creek (Florida), ISSN 0749-0208.

In view of the problem that the modeling results of the current coastal erosion and siltation by using the current modeling mothed are not ideal, the modeling efficiency is low and the flexibility is poor, the modeling method of coastal erosion and siltation based on numerical simulation is proposed. The sediment transport equation is calculated by the critical shear stress, sediment carrying capacity and particle sedimentation velocity, and the numerical simulation results of the influence of costal remediation and repair management project on the coastal erosion and siltation are obtained according to the obtained parameters. According to the simulation results, the parameters of submerged depth, submerged flow velocity and silt time in the characteristics of water depth in tidal flat are calculated, and the parameters and variable factors are combined to complete the construction of coastal erosion and siltation model. The experimental results show that the modeling results are highly fitted to the actual values, the modeling speed is fa st, and the flexibility coefficient is large.

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