Recent Advances in Applied Ship Hydrodynamics

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 (15 September 2024) | Viewed by 3462

Special Issue Editor


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Guest Editor
Department of Naval Architecture and Marine Engineering, National Technical University of Athens, Athens, Greece
Interests: hull form optimization; hydrodynamic performance (resistance, maneuvering, seakeeping); biomimetic methods in ship optimization; experimental methods in ship hydrodynamics; economic operation of ships and fleets; hydrodynamics of high-speed craft
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Special Issue Information

Dear Colleagues,

The hydrodynamics of the interaction of the marine environment with a floating or sailing ship is crucial for the assessment of its performance in calm and rough waters. The physical phenomena associated with this interaction are studied theoretically, numerically, and experimentally. The recent advent of computers that are high both in power and speed supports the development and implementation of more intricate models to simulate the physics of the complex phenomena encountered. On the other hand, Artificial Intelligence (AI) techniques and Machine Learning (ML) enhanced the potential of System-Based Methods (SBMs) to predict the behavior of ships based on a bulk of data. Experimental techniques offering validation of the numerical calculations as well as insight into sophisticated situations have recently been equipped with innovative instrumentation to derive more reliable and precise data for use by designers and the scientific community. This modern equipment allows for on-board, full-scale data recordings and analysis. All of the available tools are extensively used by the maritime community in their attempt to meet the recent strict requirements imposed by the IMO and EU in the design, operation, and performance of ships with respect to efficiency, safety, and environmental sustainability. This Special Issue aims to highlight the latest research and innovations that contribute to the practical applications of ship hydrodynamics in the maritime industry.

We welcome submissions on a wide range of topics related to applied ship hydrodynamics, including but not limited to the following:

  • Ship resistance and propulsion;
  • Ship maneuvering and control;
  • Ship stability and seakeeping;
  • Computational Fluid Dynamics (CFD) simulations in ship hydrodynamics;
  • Energy efficiency and emissions reduction in ship operations;
  • Propeller and propulsion system design;
  • Optimization of hydrodynamic performance;
  • Innovative hull forms and design concepts;
  • Monitoring and optimization of vessel performance;
  • Ship hydrodynamics in waves and currents.

Prof. Dr. Gregory Grigoropoulos
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

  • ship hydrodynamics
  • ship resistance and propulsion
  • maneuvering and control Stability and seakeeping
  • digital twin
  • CFD
  • propulsion system

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Published Papers (2 papers)

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Research

18 pages, 5190 KiB  
Article
Hydrodynamic Shape Optimization of a Naval Destroyer by Machine Learning Methods
by Andrea Serani and Matteo Diez
J. Mar. Sci. Eng. 2024, 12(11), 1979; https://doi.org/10.3390/jmse12111979 - 2 Nov 2024
Viewed by 944
Abstract
This paper explores the integration of advanced machine learning (ML) techniques within simulation-based design optimization (SBDO) processes for naval applications, focusing on the hydrodynamic shape optimization of the DTMB 5415 destroyer model. The use of unsupervised learning for design-space dimensionality reduction, combined with [...] Read more.
This paper explores the integration of advanced machine learning (ML) techniques within simulation-based design optimization (SBDO) processes for naval applications, focusing on the hydrodynamic shape optimization of the DTMB 5415 destroyer model. The use of unsupervised learning for design-space dimensionality reduction, combined with supervised learning through active learning-based multi-fidelity surrogate modeling, allows for significant improvements in computational efficiency while addressing complex, high-dimensional design spaces. By applying these ML techniques to both single- and multi-objective optimizations, aimed at minimizing resistance and enhancing seakeeping performance, the proposed framework demonstrates its practical value in hydrodynamic design. This approach provides a scalable and efficient solution, reducing the reliance on high-fidelity simulations while accelerating the optimization process, without substantial modifications to existing toolchains. A design-space dimensionality reduction of approximately 70% is achieved, reducing the design variables from 22 to 7 while retaining 95% of the original geometric variance. Additionally, computational cost reductions of 65% to 98% are observed, compared to using the full design space and high-fidelity simulations only. Full article
(This article belongs to the Special Issue Recent Advances in Applied Ship Hydrodynamics)
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24 pages, 9194 KiB  
Article
A Novel BEM for the Hydrodynamic Analysis of Twin-Hull Vessels with Application to Solar Ships
by Alexandros Magkouris and Kostas Belibassakis
J. Mar. Sci. Eng. 2024, 12(10), 1776; https://doi.org/10.3390/jmse12101776 - 7 Oct 2024
Cited by 2 | Viewed by 1581
Abstract
A novel Boundary Element Method (BEM) is presented for predicting the hydrodynamic behavior of twin-hull vessels, traveling at low speeds, aiming to quantify the benefits of integrating solar technology onboard. In particular, the power requirements of an electric 33 m long twin-hull ship [...] Read more.
A novel Boundary Element Method (BEM) is presented for predicting the hydrodynamic behavior of twin-hull vessels, traveling at low speeds, aiming to quantify the benefits of integrating solar technology onboard. In particular, the power requirements of an electric 33 m long twin-hull ship are examined. The study discusses the placement of solar panels on deck and assesses their utilization in terms of real-time energy generation, aiming to extend the autonomy range while also reducing carbon emissions. The discussed methodology predicts the power needs by considering various operational variables, design specifications and hydrodynamic principles. In addition, it addresses the viability and possible advantages of integrating solar technology onboard and provides preliminary estimates regarding the extent to which solar energy may compensate for power needs, based on several factors, including the velocity, the prevailing sea state and the incident solar irradiance. The results provide useful information regarding the utilization of solar energy in the shipping sector, in addition to advancing sustainable maritime propulsion. Full article
(This article belongs to the Special Issue Recent Advances in Applied Ship Hydrodynamics)
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