Application of CFD Numerical Modeling in Ocean and Coastal Engineering

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: 5 April 2025 | Viewed by 306

Special Issue Editor


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Guest Editor
Department of Civil Engineering, Korea Maritime & Ocean University, Busan 49112, Republic of Korea
Interests: interactions between waves and coastal structures; numerical wave tank based on CFD; wave energy converter system; applications of machine learning

Special Issue Information

Dear Colleagues,

Recently, numerical analyses utilizing CFD models have become crucial for solving a range of engineering challenges within coastal and harbor engineering. Furthermore, increasingly sophisticated computational schemes are being developed to improve the precision of CFD modeling, establishing it as a field that demands significant computational expertise. This Special Issue invites contributions exploring diverse applications of CFD modeling within ocean and coastal engineering, as well as cutting-edge research on hybrid models combined with artificial intelligence. This Special Issue encompasses a breadth of topics pertinent to CFD numerical modeling in ocean and coastal engineering.

Prof. Dr. Kwangho Lee
Guest Editor

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Keywords

  • turbulence modeling
  • fluid–structure interaction (FSI)
  • mesh generation and optimization
  • multiphase flow simulation
  • boundary condition treatment

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Published Papers (1 paper)

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Research

15 pages, 5185 KiB  
Article
Numerical Simulation of Self-Propelled Dive Motion of a Virtual Mooring Buoy
by Hongyu Li, Huijie Cao, Jiayi Xu, Wenxin Li, Qingfeng Ma and Weizhuang Ma
J. Mar. Sci. Eng. 2024, 12(12), 2120; https://doi.org/10.3390/jmse12122120 - 21 Nov 2024
Viewed by 187
Abstract
To verify the feasibility of the variable wing actuator for a virtual mooring buoy, this paper investigates the self-propelled dive motion of a virtual mooring buoy under hydrostatic variable density conditions using a computational fluid dynamics (CFD) approach. The virtual mooring buoy developed [...] Read more.
To verify the feasibility of the variable wing actuator for a virtual mooring buoy, this paper investigates the self-propelled dive motion of a virtual mooring buoy under hydrostatic variable density conditions using a computational fluid dynamics (CFD) approach. The virtual mooring buoy developed by our research group is used in this study, and the numerical simulation is performed using the Reynolds-averaged Navier–Stokes (RANS) equation and the SST K-Omega turbulence model to capture the turbulent flow. Grid convergence studies were conducted at three grid resolutions to ensure the accuracy of the numerical simulations. The effects of different wing angles on the self-propelled dive motion of the buoy are focused on and analyzed. The results show that the maximum velocity of the buoy in the horizontal direction can reach 0.31 m/s, with a wing angle of −8°, which is about 35% higher than that of 0°, effectively enhancing the buoy’s anti-disturbance capability against the horizontal currents. In addition, this study further analyzes the self-propelled dive motion of the buoy with variable wing angles. The results show that the velocity and attitude of the buoy at any moment are basically the same as those under the corresponding fixed wing angle. This shows that it is possible to change the motion of the buoy by varying the wing angle, verifying the feasibility of the variable wing actuator. Full article
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