Special Issue "Hydrodynamic Modeling of Waves, Currents, and Transport in Coastal Areas"

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

Deadline for manuscript submissions: 20 October 2023 | Viewed by 2886

Special Issue Editors

Department of Physics, CESAM-Centre for Environmental and Marine Studies, Universidade de Aveiro Campos Universitário Santiago, 3800-193 Aveiro, Portugal
Interests: hydrodynamics; ecological; modelling; estuarine; coastal circulation; climate changes
Special Issues, Collections and Topics in MDPI journals
CESAM, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
Interests: sediment transport; beach and inlet morphodynamics; coastal monitoring; numerical modeling

Special Issue Information

Dear Colleagues,

Waves and currents are a fundamental feature of the coastal area hydrodynamics and are mainly driven by physical forcing, such as tides, wind stress and river flow. They generate complex circulation patterns along the coast, both in the alongshore and cross-shore directions, influencing or determining sediment transport and the distribution of water parameters, such as temperature and salinity. Currents and waves play an important role in coastal morphodynamics, influence the dispersion of nutrients and pollutants in coastal seas and the biogeochemistry of the water column ecosystem and constitutes an important issue to better predict the future of coastal areas and ecosystems behaviour under climate stress.

This Special Issue is aimed at building synergies between fundamental and applied approaches on understanding waves and currents with special emphasis on the coastal dynamics and environmental impacts. Papers are welcome dealing with theoretical, modeling and applied approaches on coastal circulation under waves, tides and currents, bottom boundary layer hydrodynamics and sediment transport, turbulence, state-of-the-art modeling tools as well as the impact of the climate changes on the morphodynamics and the environmental ecosystem.

This Special Issue covers the following topics:

  • State-of-the-art of numerical models of coastal waters hydrodynamics
  • Modelling coastal hydrodynamic and sediment transport under wave tides and currents
  • Turbulence and bottom boundary layer hydrodynamics
  • Modeling biogeochemistry interactions in coastal areas

Dr. José Fortes Lopes
Dr. Paulo A. Silva
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.

Published Papers (3 papers)

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Research

Article
Phase-Resolved Wave Simulation over Isolated Seamount
J. Mar. Sci. Eng. 2023, 11(9), 1765; https://doi.org/10.3390/jmse11091765 - 09 Sep 2023
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Abstract
This paper investigates the wind wave deformations above two isolated shallow seamounts using a phase-resolved wave model simulation using the HAWASSI-AB software. The first seamount is located some 8 km from the south coast of Jawa, Indonesia, near Glagah, with its top area [...] Read more.
This paper investigates the wind wave deformations above two isolated shallow seamounts using a phase-resolved wave model simulation using the HAWASSI-AB software. The first seamount is located some 8 km from the south coast of Jawa, Indonesia, near Glagah, with its top area about 2 m from the water level, while the second is the Socotra Rock, in the East China Sea, which has a top 4.6 m under the sea surface. The simulations found that isolated shallow bathymetry may generate a crossing sea region endangering ships. In both domains, short-crested wave simulations of second order show strong refraction and diffraction effects when waves run towards and downstream of the top of the seamount. Waves near the summit embrace the seamount and form a focal area with larger waves downstream. After crossing the Socotra Rock, the interaction waves lead to a crossing sea in the deep water. On the other hand, having passed the Glagah, waves further downstream are partly absent over a substantial stretch of the coast. For both cases, the phase-resolved wave simulation results determine detailed wind wave conditions and wave spectra over the whole area, compensating for a lack of experimental data. Full article
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Article
Improved Low-Drag Pontoons for Water Bikes
J. Mar. Sci. Eng. 2023, 11(9), 1754; https://doi.org/10.3390/jmse11091754 - 08 Sep 2023
Viewed by 253
Abstract
The popularity of modern water bikes increases due to the relatively high speed developed with the use of a human muscle power only. For example, the maximum speed of prototypes reaches the value 3 m/s. Similar vehicles can be used not only for [...] Read more.
The popularity of modern water bikes increases due to the relatively high speed developed with the use of a human muscle power only. For example, the maximum speed of prototypes reaches the value 3 m/s. Similar vehicles can be used not only for recreation and fitness, but also for transportation. To increase their speed and tonnage, we recommend improving the pontoon shape and using electrical power. The underwater part of the pontoon shape was recommended to be similar to the body shape of the fastest fish in order to decrease the wave resistance and total drag. The optimal depth of the movement of corresponding shapes was calculated. The total drag and maximum speeds of the vehicles with the human muscle and electrical power are estimated. Expected success in improving the pontoon shape opens wide prospects for the use of these special-shaped hulls in shipbuilding. Full article
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Article
Numerical Simulation of Nonlinear Wave Propagation from Deep to Shallow Water
J. Mar. Sci. Eng. 2023, 11(5), 1003; https://doi.org/10.3390/jmse11051003 - 08 May 2023
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Abstract
Herein, a numerical model is proposed to simulate the nonlinear wave propagation from deep to shallow water and wave breaking phenomena. In the numerical model, the governing equations selected, in which the momentum equations were added to the eddy-viscous breaking and bottom friction [...] Read more.
Herein, a numerical model is proposed to simulate the nonlinear wave propagation from deep to shallow water and wave breaking phenomena. In the numerical model, the governing equations selected, in which the momentum equations were added to the eddy-viscous breaking and bottom friction terms to simulate the wave breaking phenomenon, are suitable for the wave propagation from deep to shallow water. The spatial derivations of the governing equations are discretized with the hybrid scheme, combining the finite-difference and finite-volume methods. To numerically simulate the nonlinear wave propagation in waters with various depths accurately, the non-conservative governing equations are reorganized as conservative to facilitate a total variation diminishing (TVD) type scheme using a Riemann solver. Extensive numerical tests of nonlinear wave propagation have been realized in waters with large relative water depths and varying water depths. The comparisons between numerical and analytical or experimental results indicated that the numerical results are reasonable and reliable, and the present numerical model can effectively simulate the wave-breaking phenomenon. Full article
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