Advanced Studies in Ship Fluid Mechanics

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: 20 August 2025 | Viewed by 420

Special Issue Editor


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Guest Editor
Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, UK
Interests: hydrodynamics; computational fluid dynamics; numerical analysis; ship design; naval architect

Special Issue Information

Dear Colleagues,

The field of ship fluid mechanics is advancing rapidly with transformative technologies that are reshaping hydrodynamic analysis and ship design. High-fidelity CFD, including hybrid RANS-LES, high-order methods, and lattice Boltzmann approaches, offers the precise modeling of turbulent and multiphase flows. Adjoint solvers and multidisciplinary design optimization (MDO) frameworks have enabled the holistic optimization of hydrodynamic performance, structural integrity, and sustainability. Artificial intelligence (AI) and machine learning are revolutionizing the field with predictive modeling, real-time simulations, and surrogate models, significantly reducing computational costs. Emerging methods like Smoothed Particle Hydrodynamics (SPH), immersed boundary techniques, and direct numerical simulation (DNS) enhance our understanding of complex phenomena, including wave–structure interactions and cavitation. Advances in fluid–structure interaction (FSI) and digital twin technologies are enabling real-time performance monitoring and optimization. Supported by high-performance computing, these innovations are driving sustainable, efficient, and cutting-edge solutions, redefining the boundaries of ship fluid mechanics and maritime engineering.

Main application topics include the following:

  • Air lubrication;
  • Hull coating;
  • Wind-assisted propulsion;
  • Appendage performance enhancement;
  • Hullform optimization;
  • More efficient ship propulsion and maneuverability;
  • Wave–structure interactions;
  • Machine learning and data-driven approaches;
  • Liquid sloshing.

The main scientific topics include the following:

  • Multi-phase adjoint solver;
  • Applications of the lattice Boltzmann methods;
  • SPH modeling;
  • Full-Scale CFD simulation;
  • Accurate and efficient numerical simulation for optimization;
  • Second-generation intact stability criteria (SGISC) and stability in waves;
  • AI-driven innovations in fluid dynamics.

This Special Issue aims to serve as a platform for showcasing innovative research and advancements in fluid dynamics and its diverse applications. It emphasizes recent progress in both fundamental fluid dynamics and their practical implementations across various domains of naval architecture, ocean, and marine engineering. The focus is on the latest theoretical, computational, and experimental contributions to all facets of marine hydrodynamics.

Dr. Amin Nazemian
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

  • novel computational methods
  • high-fidelity CFD
  • artificial intelligence/machine learning in hydrodynamics
  • emerging decarbonization technology
  • advanced fluid mechanics
  • full-scale condition

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Published Papers (1 paper)

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Research

33 pages, 6970 KiB  
Article
Wake Characteristics and Thermal Properties of Underwater Vehicle Based on DDES Numerical Simulation
by Yu Lu, Jiacheng Cui, Bing Liu, Shuai Shi and Wu Shao
J. Mar. Sci. Eng. 2025, 13(7), 1371; https://doi.org/10.3390/jmse13071371 - 18 Jul 2025
Viewed by 241
Abstract
Investigating the coupled hydrodynamic and thermal wakes induced by underwater vehicles is vital for non-acoustic detection and environmental monitoring. Here, the standard SUBOFF model is simulated under eight operating conditions—speeds of 10, 15, and 20 kn; depths of 10, 20, and 30 m; [...] Read more.
Investigating the coupled hydrodynamic and thermal wakes induced by underwater vehicles is vital for non-acoustic detection and environmental monitoring. Here, the standard SUBOFF model is simulated under eight operating conditions—speeds of 10, 15, and 20 kn; depths of 10, 20, and 30 m; and both with and without thermal discharge—using Delayed Detached Eddy Simulation (DDES) coupled with the Volume of Fluid (VOF) method. Results indicate that, under heat emission conditions, higher speeds accelerate wake temperature decay, making the thermal wake difficult to detect downstream; without heat emission, turbulent mixing dominates the temperature field, and speed effects are minor. With increased speed, wake vorticity at a fixed location grows by about 30%, free-surface wave height rises from 0.05 to 0.15 m, and wavelength remains around 1.8 m, all positively correlated with speed. Dive depth is negatively correlated with wave height, decreasing from 0.15 to 0.04 m as depth increases from 5 to 20 m, while wavelength remains largely unchanged. At a 10 m submergence depth, the thermal wake is clearly detectable on the surface but becomes hard to detect beyond 20 m, indicating a pronounced depth effect on its visibility. These results not only confirm the positive correlation between vessel speed and wake vorticity reported in earlier studies but also extend those findings by providing the first quantitative evaluation of how submergence depth critically limits thermal wake visibility beyond 20 m. This research provides quantitative evaluations of wake characteristics under varying speeds, depths, and heat emissions, offering valuable insights for stealth navigation and detection technologies. Full article
(This article belongs to the Special Issue Advanced Studies in Ship Fluid Mechanics)
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