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Recent Development and Application of Hydrodynamics in Marine Environment
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Recent Development and Application of Hydrodynamics in Marine Environment

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: closed (31 October 2023) | Viewed by 3581

Special Issue Editors

Prof. Dr. Shin-Jye Liang

E-Mail Website
Guest Editor
Department of Marine Environmental Informatics, National Taiwan Ocean University, Keelung 20224, Taiwan
Interests: computational fluid dynamics; interactions of flows and waves; island wakes; ocean energy; ocean pollution; wave dynamics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tso-Ren Wu

E-Mail Website
Guest Editor
Graduate Institute of Hydrological and Ocean Sciences, National Central University, Taoyuan, Taiwan
Interests: tsunami science; local scour simulation; storm surge simulation; 3D numerical modeling; two-way coupled moving-solid model; landslide and sebris flow simulation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The aim and scope of this Special Issue is to invite paper contributions on the recent developments and applications of theories, laboratory experiments, field measurements, remote sensing, and numerical modelling in hydraulic and marine hydrodynamics. Research articles covering the areas of artificial intelligence, hydraulic laboratory experiments, climate change and resulting sea-level rises, free-surface flows, hydro-informatics, the interactions of flows and waves with structures, internal waves, morphodynamics, naval architecture, remote-sensing applications, solitary waves, storm surges, tsunamis, typhoons, and wave dynamics are welcomed for possible inclusion in this Special Issue of the Journal of Marine and Science and Engineering.

Prof. Dr. Shin-Jye Liang
Prof. Dr. Tso-Ren Wu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • artificial intelligence
  • climate change
  • coastal hydrodynamics
  • hydro-informatics
  • interactions of flows and waves with structures
  • ocean energy
  • sea-level rise
  • typhoon
  • waves

Published Papers (2 papers)

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Research

24 pages, 15262 KiB  
Article
Numerical Analysis of Local Scour of the Offshore Wind Turbines in Taiwan
by Thi-Hong-Nhi Vuong, Tso-Ren Wu, Yi-Xuan Huang and Tai-Wen Hsu
J. Mar. Sci. Eng. 2023, 11(5), 936; https://doi.org/10.3390/jmse11050936 - 27 Apr 2023
Cited by 2 | Viewed by 1417
Abstract
Rapid expansions of the offshore wind industry have stimulated a renewed interest in the behavior of offshore wind turbines. Monopile, tripod, and jack-up wind turbines support most offshore wind turbines. These foundations are sensitive to scour, reducing their ultimate capacity and altering their [...] Read more.
Rapid expansions of the offshore wind industry have stimulated a renewed interest in the behavior of offshore wind turbines. Monopile, tripod, and jack-up wind turbines support most offshore wind turbines. These foundations are sensitive to scour, reducing their ultimate capacity and altering their dynamic response. However, the existing approaches ignore the seabed’s rheological properties in the scour process. This study focuses on the scour development around the wind turbine foundation in the Changhua wind farm in Taiwan. The simulation results explain the influence of different hydrodynamic mechanisms on the local scours in a cohesive fluid, such as regular waves, random waves, and constant currents. A newly non-Newtonian fluid model, the Discontinuous Bi-viscous Model (DBM), reproduces closet mud material nature without many empirical coefficients and an empirical formula. This new rheology model is integrated and coupled into the Splash3D model, which resolves the Navier–Stokes equations with a PLIC-VOF surface-tracking algorithm. The deformation of the scour hole, the backfilling, and the maximum scour depth are exhibited around the wind turbines. Waves, including regular and irregular waves, do not increase the scour depth compared with currents only. In the case of random wave–current coupling, the results present a signal of scour evolution. However, the scour depth is shallow at 0.033≤S/D≤0.046. Full article
(This article belongs to the Special Issue Recent Development and Application of Hydrodynamics in Marine Environment)
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24 pages, 8543 KiB  
Article
Natural Convection Induced by Diurnal Heating and Cooling over a Fully Vegetated Slope
by Xiaosheng Ji, Yi-Qi Ye, Bo Wang and Ying-Tien Lin
J. Mar. Sci. Eng. 2022, 10(4), 552; https://doi.org/10.3390/jmse10040552 - 18 Apr 2022
Cited by 3 | Viewed by 1351
Abstract
In this study, by assuming a small bottom slope, asymptotic solutions were developed to discuss natural convection within rooted emergent vegetation in response to different heating and cooling mechanisms. Based upon the maximum water depth in comparison to the penetration depth of solar [...] Read more.
In this study, by assuming a small bottom slope, asymptotic solutions were developed to discuss natural convection within rooted emergent vegetation in response to different heating and cooling mechanisms. Based upon the maximum water depth in comparison to the penetration depth of solar radiation, two scenarios in shallow and deep waters were examined. The temperature structures showed that isotherms in shallows are near vertical but become stable stratified layers (horizontal isotherms) in deep regions. In shallow regions, horizontal velocity profiles perform classic cubic shapes, while the horizontal velocity in deep regions is constant near the surface, and a local upslope flow occurs near the bottom. In shallow water, viscous effects are dominant to shape the velocity profiles, whereas vegetation drag becomes more important in deep regions. By using turbulent parameters, horizontal exchange flowrates and velocities predicted by the asymptotic solutions show good agreements with the existing measurements. Full article
(This article belongs to the Special Issue Recent Development and Application of Hydrodynamics in Marine Environment)
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