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Numerical simulation of the Kuroshio intrusion into the South China Sea by a passive tracer

TANG Jun,  LYU Yigang,  SHEN Yongming

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文章导航 > Acta Oceanologica Sinica  > 2016 >  35(9): 111-116
唐军, 吕义港, 沈永明. 近岸波浪和波生流环境中泥沙输运的数值模拟[J]. 海洋学报英文版, 2016, 35(9): 111-116. doi: 10.1007/s13131-016-0932-8
引用本文: 唐军, 吕义港, 沈永明. 近岸波浪和波生流环境中泥沙输运的数值模拟[J]. 海洋学报英文版, 2016, 35(9): 111-116. doi: 10.1007/s13131-016-0932-8
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TANG Jun, LYU Yigang, SHEN Yongming. Numerical simulation of the Kuroshio intrusion into the South China Sea by a passive tracer[J]. Acta Oceanologica Sinica, 2016, 35(9): 111-116. doi: 10.1007/s13131-016-0932-8
Citation: TANG Jun, LYU Yigang, SHEN Yongming. Numerical simulation of the Kuroshio intrusion into the South China Sea by a passive tracer[J]. Acta Oceanologica Sinica, 2016, 35(9): 111-116. doi: 10.1007/s13131-016-0932-8
shu

近岸波浪和波生流环境中泥沙输运的数值模拟

doi: 10.1007/s13131-016-0932-8
  • 1.

    大连理工大学海岸和近海工程国家重点实验室, 大连, 116023

  • 2.

    大连理工大学海岸和近海工程国家重点实验室, 大连, 116023;嘉兴市交通工程质量安全监督站, 嘉兴, 314001

Numerical simulation of the Kuroshio intrusion into the South China Sea by a passive tracer

  • 1.

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

  • 2.

    State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China;Jiaxing City Traffic Engineering Quality and Safety Surveillance, Jiaxing 314001, China

    摘要
  • 摘要: 预报近岸泥沙输运对分析近岸侵蚀及解决相应的海岸工程防护等问题有重要意义。本文建立了一个近岸波浪和波生流环境中泥沙输运的数值模型。模型中，将泥沙输运模型和近岸波浪折射、绕射模型及近岸流模型进行耦合。近岸波浪模型基于考虑波浪折射、绕射、破碎等效应的抛物型缓坡方程建立；近岸流模型基于平面二维浅水方程建立，波浪通过辐射应力为近岸流提供驱动力；近岸波浪和近岸流环境中的泥沙输运模型基于平面二维悬沙模型和床沙模型建立。采用LSTF（Large-scale Sediment Transport Facility at the US Army Corps of Engineer Research and Development Center）物理模型试验结果对所建模型进行了验证分析。结果表明，本文所建数值模型可有效地模拟近岸波浪和波生流环境中的泥沙输运过程。
    Abstract: Prediction of coastal sediment transport is of particularly importance for analyzing coast erosion accurately and solving the corresponding coast protection engineering problems. The present study provided a numerical scheme for sediment transport in coastal waves and wave-induced currents. In the scheme, the sand transport model was implemented with wave refraction-diffraction model and near-shore current model. Coastal water wave was simulated by using the parabolic mild-slope equation in which wave refraction, diffraction and breaking effects are considered. Wave-induced current was simulated by using the nonlinear shallow water equations in which wave provides radiation stresses for driving current. Then, sediment transport in waves and wave-induced currents was simulated by using the two-dimensional suspended sediment transport equations for suspended sediment and the bed-load transport equation for bed load. The numerical scheme was validated by experiment results from the Large-scale Sediment Transport Facility at the US Army Corps of Engineer Research and Development Center in Vicksburg. The numerical results showed that the present scheme is an effective tool for modeling coastal sediment transport in waves and near-shore currents.
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出版历程
  • 收稿日期:  2015-10-03
  • 修回日期:  2015-12-07

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