Advancing the Ultimate Strength of Offshore Structures for Sustainable and Resilient Marine Energy Systems

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: 1 September 2025 | Viewed by 188

Special Issue Editors


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Guest Editor
Centre for Marine Technology and Ocean Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
Interests: marine structure; ocean platform; subsea pipe; corrosion; collision and grounding; ultimate strength; welding; photogrammetry
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Guest Editor
Department of Mechanics and Maritime Sciences, Division of Marine Technology, Chalmers University of Technology, 412-96 Gothenburg, Sweden
Interests: marine renewable energy; ship dynamics; ship performance modelling and analysis; structural integrity analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Offshore structures play a vital role in global energy infrastructure, particularly with the ongoing transition towards renewable energy. The demand for floating offshore wind farms, wave energy converter wave parks, floating photovoltaic platform parks, and next-generation aquaculture installations is rapidly increasing. However, ensuring their ultimate strength, structural resilience, and long-term sustainability under extreme environmental conditions remains a significant challenge.

This Special Issue aims to bring together cutting-edge research on the ultimate strength of offshore structures and safety-critical components, focusing on enhancing their safety, durability, and environmental adaptability. We seek contributions that address structural performance under complex loading conditions, including ship collisions, extreme weather events, breaking waves, and ice interactions, as well as innovative approaches leveraging machine learning, digital twins, and advanced materials.

In alignment with the United Nations Sustainable Development Goals (UN SDGs)—particularly Goal 7 (Affordable and Clean Energy), Goal 9 (Industry, Innovation, and Infrastructure), Goal 13 (Climate Action), and Goal 14 (Life Below Water)—this Special Issue will explore novel methodologies to reduce the environmental footprint of offshore structures while ensuring their reliability and longevity in harsh marine environments. 

Potential Topics of Interest

This Special Issue welcomes original research articles, reviews, and case studies on topics including, but not limited to:

  • Ultimate strength and structural integrity;
  • Innovative materials and smart design approaches;
  • Digitalization, AI, and life-cycle optimization;
  • Machine learning models for predicting fatigue, buckling, and post-buckling behavior;
  • Extreme environments and climate resilience;
  • Regulatory frameworks and industry applications.

Dr. Baiqiao Chen
Prof. Dr. Jonas W. Ringsberg
Prof. Dr. Bin Liu
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.

Keywords

  • ultimate strength
  • offshore structure
  • FOWT
  • FPV
  • WEC
  • structural reliability
  • failure mechanism
  • machine learning
  • digital twin
  • corrosion
  • fatigue
  • arctic and ice-resistant structure
  • sustainable material
  • life-cycle engineering
  • mooring system
  • dynamic power cable

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Published Papers (1 paper)

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Research

15 pages, 1757 KiB  
Article
Development of a Design Formula for Estimating the Residual Strength of Corroded Stiffened Cylindrical Structures
by Sang-Hyun Park, Byoungjae Park, Sang-Rai Cho, Sung-Ju Park and Kookhyun Kim
J. Mar. Sci. Eng. 2025, 13(7), 1381; https://doi.org/10.3390/jmse13071381 - 21 Jul 2025
Abstract
This paper develops a novel design formula to estimate the residual strength of corroded stiffened cylindrical structures. It extends a previously established ultimate strength formulation for intact cylinders by introducing a corrosion-induced strength reduction factor. The foundational formula considers failure mode interactions like [...] Read more.
This paper develops a novel design formula to estimate the residual strength of corroded stiffened cylindrical structures. It extends a previously established ultimate strength formulation for intact cylinders by introducing a corrosion-induced strength reduction factor. The foundational formula considers failure mode interactions like yielding, local buckling, overall buckling, and stiffener tripping. This research utilizes recent experimental and numerical investigations on corroded ring-stiffened cylinder models. Experimental results validate the numerical analysis method, showing good agreement in collapse pressures (2–4% difference) and shapes. The validated numerical method is then subject to an extensive parametric study, systematically varying corrosion characteristics. Results indicate a clear relationship between corrosion volume and strength reduction, with overall buckling being more sensitive. Based on these comprehensive results, a new empirical strength reduction factor (ρc) is derived as a function of the corrosion volume ratio (Vnon). This factor is integrated into the existing ultimate strength formula, allowing direct residual strength estimation for corroded structures. The proposed formula is rigorously verified against experimental and numerical data, showing excellent agreement (mean 1.00, COV 5.86%). This research provides a practical, accurate design tool for assessing the integrity and service life of corroded stiffened cylindrical structures. Full article
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