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Advances in Ships and Marine Structures
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Advances in Ships and Marine Structures

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: 30 April 2024 | Viewed by 2467

Special Issue Editor

Prof. Dr. Erkan Oterkus

E-Mail Website
Guest Editor
Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, 100 Montrose Street, Glasgow G4 0LZ, UK
Interests: digital twins; structural health monitoring; structural analysis of offshore renewable energy devices; additive manufacturing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Structural mechanics is an important field of engineering. The main goal of structural mechanics research is to ensure that structures are safe and durable enough to prevent catastrophic situations which can cause loss of lives, environmental pollution, and financial losses. Depending on the use of the structure and the conditions that it is subjected to, it requires a special treatment during analysis. Specifically, marine structures are subjected to harsh environmental conditions due to the marine environment, which can cause several different damage mechanisms, including damages due to fatigue and corrosion. This Special Issue on “Advances in Ships and Marine Structures” will consider a wide range of areas related to marine structures, including but not limited to:

  • Structural analysis of ship structures;
  • Structural analysis of offshore renewable energy devices;
  • Structural analysis of offshore platforms;
  • Structural analysis of naval vessels;
  • Structural analysis of pipelines and subsea systems;
  • Risk- and reliability-based approaches applied to marine structures;
  • Structural health monitoring of marine structures;
  • Corrosion;
  • Ice–structure interactions;
  • Collision mechanics;
  • Inspection and repair of marine structures;
  • Fatigue and fracture;
  • Marine composites;
  • Application of machine learning and digital twins for ships and offshore structures

The Special Issue will provide a compilation of numerical, experimental, and analytical studies related to research on “Advances in Ships and Marine Structures”.

Prof. Dr. Erkan Oterkus
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

  • marine structures
  • fracture mechanics
  • corrosion
  • structural health monitoring
  • marine composites
  • ice-structure interactions
  • machine learning
  • digital twins

Published Papers (3 papers)

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Research

24 pages, 6480 KiB  
Article
Trim and Engine Power Joint Optimization of a Ship Based on Minimum Energy Consumption over a Whole Voyage
by Yanyun Yu, Hongshuo Zhang, Zongbao Mu, Yating Li, Yutong Sun and Jia Liu
J. Mar. Sci. Eng. 2024, 12(3), 475; https://doi.org/10.3390/jmse12030475 - 10 Mar 2024
Viewed by 895
Abstract
Trim optimization is an available approach for the energy saving and emission reduction of a ship. As a ship sails on the water, the draft and trim undergo constant changes due to the consumption of fuel oil and other consumables. As a result, [...] Read more.
Trim optimization is an available approach for the energy saving and emission reduction of a ship. As a ship sails on the water, the draft and trim undergo constant changes due to the consumption of fuel oil and other consumables. As a result, the selection of the initial trim is important if ballasting or shifting liquid among the tanks is not considered during a voyage. According to the characteristics of ship navigation and maneuvering, a practical trim optimization method is proposed to identify the Optimal Trim over a Whole Voyage (OTWV) which makes the fuel consumption of the voyage minimum. The calculations of speed vs. draft and trim surfaces are created according to hull resistance data generated by CFD, model tests, or real ship measurements, and these surfaces are used to calculate the OTWV. Ultimately, a trim and Main Engine (ME) power joint optimization method is developed based on the OTWV to make the total fuel consumption minimum for a voyage with a fixed length and travel time. A 307000 DWT VLCC is taken as an example to validate the practicality and effect of the two proposed optimization methods. The trim optimization example indicates that the OTWV could save up to 1.2% of the total fuel consumption compared to the Optimal Trim at Initial Draft (OTID). The trim and ME power joint optimization results show that the proposed method could steadily find the optimal trim and ME power combination, and the OTWV could save up to 1.0% fuel consumption compared to the OTID in this case. Full article
(This article belongs to the Special Issue Advances in Ships and Marine Structures)
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23 pages, 5111 KiB  
Article
An Equivalent Linear Method to Predict Nonlinear Bending Mechanics of Dredging Floating Hose String
by Jingjing Liu, Long Yu, Xiaoyan Li and Jing Liu
J. Mar. Sci. Eng. 2024, 12(3), 421; https://doi.org/10.3390/jmse12030421 - 27 Feb 2024
Viewed by 609
Abstract
Dredging hoses are flexible and are particularly suitable for slurry transportations for mud or sand in dredging projects. To achieve sufficient bending stiffness and to prevent the pipe body from collapsing, this type of hose segment is a composite structure that is embedded [...] Read more.
Dredging hoses are flexible and are particularly suitable for slurry transportations for mud or sand in dredging projects. To achieve sufficient bending stiffness and to prevent the pipe body from collapsing, this type of hose segment is a composite structure that is embedded with several cord reinforcement layers and steel wires in its rubber layer. To quickly evaluate the nonlinear bending mechanical properties of rubber hoses, this study proposes the equivalent stiffness method of linear superposition, which is verified by test data and numerical results. The results show that the equivalent bending stiffness method proposed in this study is in good agreement with numerical and experimental results. Then, by comparing the calculation results of the hose string, it was demonstrated that the linear stiffness superposition method proposed in this study can also accurately predict the bending mechanical behavior characteristics of string hose, and provide reliable guidance for hose design in practice. Full article
(This article belongs to the Special Issue Advances in Ships and Marine Structures)
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40 pages, 29085 KiB  
Article
A Two-Stage Optimisation of Ship Hull Structure Combining Fractional Factorial Design Technique and NSGA-II Algorithm
by Joynal Abedin, Francis Franklin and S. M. Ikhtiar Mahmud
J. Mar. Sci. Eng. 2024, 12(3), 411; https://doi.org/10.3390/jmse12030411 - 26 Feb 2024
Viewed by 624
Abstract
The intricate nature of ships and floating structures presents a significant challenge for ship designers when determining suitable structural dimensions for maritime applications. This study addresses a critical research gap by focusing on a three-cargo hold model for a multipurpose cargo ship. The [...] Read more.
The intricate nature of ships and floating structures presents a significant challenge for ship designers when determining suitable structural dimensions for maritime applications. This study addresses a critical research gap by focusing on a three-cargo hold model for a multipurpose cargo ship. The complex composition of these structures, including stiffening plates, deck plates, bottom plates, frames, and bulkheads, necessitates thorough structural analysis to facilitate effective and cost-efficient design evaluation. To address this challenge, the research utilises FEMAP-integrated NX NASTRAN software (2021.2) to assess hull girder stress. Furthermore, a novel approach is introduced, integrating the Design of Experiments (DOE) principles within Minitab 21.4.1 software to identify critical parameters affecting hull girder stress and production costs. This method determined the top five key parameters influencing hull girder stress: Hatch coaming plate, Hatch coaming top plate, Main deck plate, Shear strake plate, and Bottom plate, while also highlighting key parameters that impact production costs: the inner bottom plate, Inner side shell plate, Bottom plate, Web frame spacing, and Side shell plate. Ship design optimisation is then carried out by incorporating regression equations from Minitab software into the Non-dominated Sorting Genetic Algorithm II (NSGA-II), which is managed using Python software (PyCharm Community Editon 2020.3.1). This optimisation process yields a significant 10% reduction in both ship weight and production costs compared to the previous design, achieved through prudent adjustments in plate thickness, web frame positioning, and stiffener arrangement. The optimally designed midship section undergoes rigorous validation to ensure conformity with industry standards and classification society regulations. Necessary adjustments to inner bottom plates and double bottom side girders are made to meet these stringent requirements. This research offers a comprehensive framework for the structural optimisation of ship hulls, potentially enhancing safety, sustainability, and competitiveness within the maritime engineering industry. Full article
(This article belongs to the Special Issue Advances in Ships and Marine Structures)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: The reliability analysis and experiment verification of pressure spherical structural model for deep sea submersible based on data BP and machine learning technology

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