Journal of Marine Science and Technology

Journal of Marine Science and Technology

Determination of wind-induced wave characteristics by numerical model WaveWatch-III and compare its results with Mike21- SW

Document Type : Original Manuscript

Authors
Reza Dezvareh
Parisa Mohammadi
Mohammad Hajitabar
Faculty of Civil Engineering, Babol Noshirvani University of Technology, Mazandaran, IRAN
10.22113/jmst.2019.142502.2186
Abstract
Wind-induced waves due to their high energy are one of the most important hydrodynamic phenomena in the sea, which are of particular importance in marine engineering. Considering the importance of prediction of wind-induced waveforms, in this study, the efficiency of the third-wave waveguide model in wave prediction (WaveWatch-III) has been investigated and the results of this model have been compared with the wave height obtained from the SW module software MIKE Is. In other words, in this paper, the prediction of wave characteristics is provided by the WW3 and SW models. To better compare the results of these two models, the environment and wind speed are considered to be the same. The results show that the WW3 conforms well to the results of the SW model, which will decrease with increasing water depth and distance from the coast, so that in deep water (approximate depth of water 500 m) and at intervals Offshore (50 km off the coast), the SW model provides more and more conservative data for wave characteristics. Also, the results of this study showed that the WW3 model would take more time to reach a steady state.
Keywords
Wind-induced waves
Wave prediction
Third-generation WW3 model
Commercial software MIKE21

Subjects

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  • Receive Date 29 July 2018
  • Revise Date 04 May 2019
  • Accept Date 12 May 2019
  • Publish Date 23 August 2019