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A three-dimensional coupled numerical model of nonlinear waves in a harbor

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Abstract

A 3-D time-domain numerical coupled model for nonlinear waves acting on a ship in a harbor has been developed in the present study. The whole domain is divided into the inner domain and the outer domain. The inner domain is the area around the ship, where the flow is expressed by the Laplace equation and numerically solved by the finite element method. The other area is the outer domain, where the flow is described by the higher-order Boussinesq equations and numerically solved by the finite difference method. The matching conditions on the interfaces between the inner domain and the outer domain, the procedure of coupled solution, the length of common domain and the mesh generation in the inner domain are discussed in detail. The other coupled model with the flow in the inner domain governed by the simplified linear Euler equations and relevant physical experiment are adopted to validate the present coupled model, and it is shown that the numerical results of the present model agree with the experimental data, so the present model can be used for the study on the effect of nonlinear waves acting on a fixed ship in a large area and provide a reference for the time-domain simulation of nonlinear wave forces on an arbitrary object in a large harbor and the 3-D district computation in the future.

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Authors and Affiliations

  1. Center for Material Failure Modeling Research, Dalian University, Dalian, 116622, China

    DaGuo Wang

  2. The State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116024, China

    DaGuo Wang, ZhiLi Zou & ChunAn Tang

  3. Geotechnical & Structural Engineering Institute of Liaoning Province, Dalian University, Dalian, 116622, China

    DaGuo Wang

  4. Department of Civil and Structural Engineering, The University of Hong Kong, Hong Kong, China

    L.G. Tham

Authors
  1. DaGuo Wang
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  2. ZhiLi Zou
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  3. L.G. Tham
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  4. ChunAn Tang
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Corresponding author

Correspondence to DaGuo Wang.

Additional information

Supported by the National Natural Science Foundation of China (Grant Nos. 59979002, 50809008), the Hong Kong Research Grants Council (Grant No. HKU 7171/06E), the China Postdoctoral Science Foundation (Grant No. 20060400972), the Project of the Educational Department of Liaoning Province (Grant No. 2005058) and the Dalian Science and Technology Foundation (Grant No. 2007J23JH027)

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Wang, D., Zou, Z., Tham, L. et al. A three-dimensional coupled numerical model of nonlinear waves in a harbor. Sci. China Ser. E-Technol. Sci. 51, 2195–2206 (2008). https://doi.org/10.1007/s11431-008-0241-3

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  • DOI: https://doi.org/10.1007/s11431-008-0241-3

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