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JMSE
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Study on Mathematical and Numerical Modeling of Water Waves
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Study on Mathematical and Numerical Modeling of Water Waves

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

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 1257

Special Issue Editor

Dr. Giovanni Cannata

E-Mail Website
Guest Editor
Department of Civil, Constructional and Environmental Engineering, Sapienza University of Rome, 00184 Rome, RM, Italy
Interests: computational hydraulics; free-surface flows; three-dimensional numerical models; curvilinear coordinates; coastal engineering; coastal sediment transport
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water wave generation, propagation, and evolution in open sea and coastal areas are complex phenomena whose representations are challenging problems of marine science and engineering. These phenomena can involve very different spatial scales: thousands of kilometers, in the case of tsunami generation and propagation; kilometers or hundreds of meters, for problems of coastal engineering and sediment transport; tens of meters, in the case of problems of resonant wave oscillations in harbors or local scour around piers and breakwaters. The mathematical and numerical representation of these phenomena can be obtained via depth-averaged equations, two dimensional and fully three-dimensional equations. This Special Issue is devoted to papers concerning analytical and numerical studies on water waves and their possible application to marine science and engineering; the methodology can be analytical or numerical; contributions can be theoretical, numerical, or applicative.

Dr. Giovanni Cannata
Guest Editor

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

  • water waves
  • theoretical study
  • numerical study
  • depth-averaged equations
  • three-dimensional equations

Published Papers (1 paper)

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Research

18 pages, 5964 KiB  
Article
Numerical Investigation into the Performance of an OWC Device under Regular and Irregular Waves
by Giovanni Cannata, Marco Simone and Francesco Gallerano
J. Mar. Sci. Eng. 2023, 11(4), 735; https://doi.org/10.3390/jmse11040735 - 28 Mar 2023
Cited by 1 | Viewed by 945
Abstract
A numerical investigation into the hydrodynamic efficiency of an oscillating water column (OWC) device for the production of energy from sea waves under the conditions of regular and irregular waves is proposed. The numerical simulations were carried out using a two-dimensional version of [...] Read more.
A numerical investigation into the hydrodynamic efficiency of an oscillating water column (OWC) device for the production of energy from sea waves under the conditions of regular and irregular waves is proposed. The numerical simulations were carried out using a two-dimensional version of a recently published three-dimensional free-surface nonhydrostatic numerical model, which is based on a conservative form of the contravariant Navier–Stokes equations written for a moving co-ordinate system. The governing equations are spatially discretized by a finite volume shock-capturing scheme based on high-order wave-targeted essentially nonoscillatory reconstructions and an exact Riemann solver. Time discretization was performed by a predictor-corrector method that took into account the nonhydrostatic pressure component. The proposed numerical model allowed us to highlight the significant differences between the hydrodynamic efficiency obtained under irregular waves and those obtained under regular monochromatic waves and provides more realistic evaluations of the OWC device performances. The results of the above comparison showed a reduction in the hydrodynamic efficiency of the OWC from 0.78 to about 0.54 when passing from regular waves to the corresponding irregular ones. The model was applied to assess the potential energy production obtainable by a set of OWCs at the Cetraro harbor (southern Italy). The numerical results show that, by adopting the optimal dimensions of the OWC, the estimated mean annual energy production obtainable at the Cetraro harbor is equal to 1540.52 MWh, which corresponds to the energy production of about 10 wind turbines with a nominal power of 60 KW. Full article
(This article belongs to the Special Issue Study on Mathematical and Numerical Modeling of Water Waves)
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