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Numerical Investigation of the Influences of Fishing Net on Waves

[+] Author Affiliations
Yunpeng Zhao, Chunwei Bi, Guohai Dong, Yucheng Li

Dalian University of Technology, Dalian, China

Changping Chen

Dalian Ocean University, Dalian, China

Paper No. OMAE2015-41302, pp. V006T05A002; 7 pages
doi:10.1115/OMAE2015-41302
From:
  • ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 6: Ocean Space Utilization
  • St. John’s, Newfoundland, Canada, May 31–June 5, 2015
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5654-3
  • Copyright © 2015 by ASME

abstract

A two-dimensional numerical wave flume is established based on the finite-volume method. The movement border method is adopted as a wave generator at one end of the flume. The volume of fluid (VOF) method is used to track the wave surface. In the numerical simulation, the plane net is simplified as porous-media model. The coefficients of the porous media are determined by the least squares method. In this way, the porous-media model will has the same pressure drop with the fishing net. To validate the numerical model, the numerical results are compared with the data obtained from corresponding physical model tests. It is found that the numerical results are in good agreement with the corresponding experimental data. Using the proposed numerical model, wave propagation through a plane net with different net solidities, different attack angles as well as two nets with different spacing distances are investigated. The impacts of the wave height and wavelength on the wave propagation through the plane net are also discussed.

Copyright © 2015 by ASME
Topics: Waves

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