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Numerical simulation of nonlinear wave force on a quasi-ellipse caisson

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Abstract

A three dimensional numerical model of nonlinear wave action on a quasi-ellipse caisson in a time domain was developed in this paper. Navier-Stokes equations were solved by the finite difference method, and the volume of fluid (VOF) method was employed to trace the free surface. The partial cell method was used to deal with the irregular boundary typical of this type of problem during first-time wave interaction with the structure, and a satisfactory result was obtained. The numerical model was verified and used to investigate the effects of the relative wave height H/d, relative caisson width kD, and relative length-width ratio B/D on the wave forces of the quasi-ellipse caisson. It was shown that the relative wave height H/d has a significant effect on the wave forces of the caisson. Compared with the non-dimensional inline wave force, the relative length-width ratio B/D was shown to have significant influence on the non-dimensional transverse wave force.

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Authors and Affiliations

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

    Yongxue Wang, Xiaozhong Ren & Guoyu Wang

Authors
  1. Yongxue Wang
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  2. Xiaozhong Ren
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  3. Guoyu Wang
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Correspondence to Yongxue Wang.

Additional information

Foundation item: Supported by the Science and Technology Program on Transportation Construction in Western China, Ministry of Communications under Grant No.2004-328-832-51.

Yongxue Wang was born in 1955. He is a professor and PhD advisor at Dalian University of Technology. His research interests are nonlinear wave force, wave break-up, wave impact, submarine pipeline spans, and sea ice. He has presided over fifty research subjects.

Xiaozhong Ren was born in 1981. He is a PhD candidate at Dalian University of Technology. His research interest is wave interaction with structures.

Guoyu Wang is an associate professor at Dalian University of Technology. His research interests are wave interaction with structures and new breakwaters.

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Wang, Y., Ren, X. & Wang, G. Numerical simulation of nonlinear wave force on a quasi-ellipse caisson. J. Marine. Sci. Appl. 10, 265–271 (2011). https://doi.org/10.1007/s11804-011-1068-z

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  • DOI: https://doi.org/10.1007/s11804-011-1068-z

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