Structural Modelling, Safety Assessment, and Advanced Material Application of 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: 20 July 2025 | Viewed by 518

Special Issue Editors


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Guest Editor
College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Interests: composites materials; structural dynamics; digital modelling of structural dynamics; digital twins for structures; advanced computational dynamics; advanced numerical modeling
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Naval Architecture, Ocean Engineering and Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
Interests: ship and offshore structure; advanced composite materials; explosion and impact; ultimate strength; vibration and noise

Special Issue Information

Dear Colleagues,

Advanced structural modeling techniques are an important prerequisite for accurately predicting the structural safety and reliability of ships and offshore structures. This Special Issue aims to introduce the latest researches in advanced modeling, analysis, and prediction methods for ship and offshore engineering structures, including vibration and acoustic radiation, structural impact resistance, blast damage and protection, fluid-structure coupling, ultimate strength and buckling, fatigue, and the design and analysis of advanced composite structures. With the continuous development of new technologies, new structural forms and new materials, ship and offshore structures will face complex environmental conditions or new forecasting challenges. This hinders the wide-scale application of advanced equipment and structures. We welcome all kinds of modelling methods, numerical calculations and experimental analyses of ship and offshore structures, including theoretical modeling and numerical simulation of structural vibration, impact, ultimate strength assessment, buckling analysis, fatigue responses of ship and offshore structures, and cutting-edge researches as digital twins, active control, new materials and artificial intelligence applications.

Prof. Dr. Qingshan Wang
Dr. Mengzhen Li
Guest Editors

Manuscript Submission Information

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Keywords

  • structural modelling 
  • vibration and noise 
  • impact analysis 
  • ultimate strength 
  • fatigue analysis 
  • ship and offshore structures 
  • composite structure

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Published Papers (1 paper)

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Research

28 pages, 19884 KiB  
Article
Study on Dynamic Characteristics and Fracture Failure of Rigid Truss Trawl System During Towing Process
by Dapeng Zhang, Bowen Zhao, Yi Zhang, Keqiang Zhu and Jin Yan
J. Mar. Sci. Eng. 2025, 13(3), 586; https://doi.org/10.3390/jmse13030586 - 17 Mar 2025
Viewed by 258
Abstract
Deep-sea fisheries depend on various fishing methods, including trawling, purse seining, and longline fishing, among others. Studying the dynamic characteristics of trawling operations is essential for the trawl mechanism. Because of the solid truss support, the beam trawl system may be employed in [...] Read more.
Deep-sea fisheries depend on various fishing methods, including trawling, purse seining, and longline fishing, among others. Studying the dynamic characteristics of trawling operations is essential for the trawl mechanism. Because of the solid truss support, the beam trawl system may be employed in extreme sea conditions, the high-speed driving of tugs, and maneuvering situations. This study systematically investigates the dynamic responses and structural safety of a midwater beam trawl during towing via the lumped mass method and OrcaFlex 9.7e simulations. Firstly, a trawl model with four towlines was developed and validated against flume tank experiments. Secondly, multiple operational scenarios were analyzed: towing speeds, angular velocity variations under a fixed turning radius, and radius effects under constant angular velocity. The results show that line tension increases with the speed increment and that the rigid frame destabilizes at angular velocities exceeding 20°/s due to centrifugal overload. Furthermore, line fracture scenarios during startup and straight-line towing were emphasized. Single-line failure leads to edge constraint loss, redistributing stress to the remaining lines, and asymmetric dual-line fracture triggers net torsion, reducing fishing efficiency. This study provides theoretical guidance for optimizing the safe operational parameters of midwater beam trawls. Full article
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