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Ocean Systems Engineering
  Volume 13, Number 1, March 2023 , pages 001-20

CFD study of an iterative focused wave generation method
Haoyuan Gu and Hamn-Ching Chen

    An iterative focused wave generation method is developed and implemented in a local analytic based Navier-Stokes solver. This wave generation method is designed to reproduce the target focused wave by matching the target amplitude spectrum and phase angle. A 4-waves decomposition scheme is utilized to obtain the linearised component of the output wave. A model test studying the interaction between different focused waves and a fixed cylinder is selected as the target for the wave generation approach. The numerical wave elevations and dynamic pressure on the cylinder are compared with the experimental measurement and other state-of-the-art numerical methods' results. The overall results prove that the iterative adjustment method is able to optimize the focused wave generated by a CFD approach
Key Words
    computational fluid dynamics (CFD); extreme waves; focused wave generation
Haoyuan Gu: Zachry Department of Civil and Environmental Engineering, Texas A&M University, College Station, TX, USA
Hamn-Ching Chen: Zachry Department of Civil & Environmental Engineering and Ocean Engineering, Texas A&M University, College Station, TX, USA

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