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Safety Evaluation and Protection in Deep-Sea Resource Exploitation
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Safety Evaluation and Protection in Deep-Sea Resource Exploitation

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: 15 October 2025 | Viewed by 898

Special Issue Editors

Prof. Dr. Wanhai Xu

E-Mail Website
Guest Editor
State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300350, China
Interests: subsea pipelines and risers; flow-induced vibration; marine renewable energy; vibration control and utilization
Special Issues, Collections and Topics in MDPI journals
Dr. Yexuan Ma

E-Mail Website
Guest Editor
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
Interests: flow-induced vibration; vibration control; dynamics of marine structures

Special Issue Information

Dear Colleagues,

The ocean plays a crucial role in human resource development and economic growth, holding abundant mineral resources like oil, natural gas, polymetallic nodules, cobalt-rich ferromanganese crusts, polymetallic sulfides, and rare earth elements. Additionally, the ocean offers extensive reserves of renewable energy sources such as wind, wave, tidal, and solar energy, making it an essential strategic space for sustainable future development. Marine structures designed for deep-sea resource exploitation must withstand highly complex environmental conditions and various unpredictable loads, which vary across time and space, including wind, waves, ocean currents, tides, sea ice, and the combined action of typhoons and earthquakes. In harsh conditions, factors such as environmental corrosion, marine biofouling, foundation softening, material aging, component defects, mechanical wear, and fatigue will lead to the deterioration of structural components and overall performance, which affects the safety and durability of the structure in service. Structural failure can lead to significant economic loss, environmental pollution, and social disruption. Thus, performing safety evaluations and implementing protective measures are essential for the safe and sustainable development of marine resources, carrying both theoretical importance and engineering significance.

Prof. Dr. Wanhai Xu
Dr. Yexuan Ma
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

  • prediction of extreme environmental loads
  • dynamics of marine structures in extreme conditions
  • marine structural safety design theory
  • fatigue damage of marine structures
  • risk and reliability of marine structures
  • health monitoring of marine structures
  • vibration control of marine structures
  • development of protective equipment technology

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Published Papers (2 papers)

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Research

17 pages, 14314 KiB  
Article
Vector Form Intrinsic Finite Element Method for Dynamic Response Analysis of Deep-Sea Mining Hose
by Jingchang Xu, Xiaoyan Li, Hao Zheng, Honghao Yan, Ming Zhang and Bingkun Wang
J. Mar. Sci. Eng. 2025, 13(4), 701; https://doi.org/10.3390/jmse13040701 - 31 Mar 2025
Viewed by 290
Abstract
The deep-sea mining hose is a crucial component of the underwater lifting and transport system utilized in deep-sea mining operations. The marine environmental loading and the dynamic coupling between the hose, the subsea mining vehicle, and the relay bin have a complex effect [...] Read more.
The deep-sea mining hose is a crucial component of the underwater lifting and transport system utilized in deep-sea mining operations. The marine environmental loading and the dynamic coupling between the hose, the subsea mining vehicle, and the relay bin have a complex effect on the mechanical properties of the hose. This study employs the vector form intrinsic finite element method to develop a MATLAB-based three-dimensional dynamic response simulation program for analyzing the hose’s dynamic response characteristics under varying current velocities, buoyancy module quantities, relay bin resonance conditions, and mining vehicle motions with double-hose systems, etc. The findings demonstrate that the vector form intrinsic finite element method effectively simulates the dynamic behavior of the hose structure. It is necessary to analyze the dynamic response of the hose’s multiple factors. Full article
(This article belongs to the Special Issue Safety Evaluation and Protection in Deep-Sea Resource Exploitation)
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19 pages, 4689 KiB  
Article
Prediction of Mooring Line Top-Tensions Incorporated with Identification of Lost Clump Weights
by Ying Li, Qiyuan Zhong, Jiamin Zhang and Xiaomei Wang
J. Mar. Sci. Eng. 2025, 13(4), 631; https://doi.org/10.3390/jmse13040631 - 21 Mar 2025
Viewed by 224
Abstract
Monitoring the top-tension of mooring lines is essential for ensuring the safe operation of floating units. This study aims to propose an innovative hybrid method combining measured motions of Floating Production Storage and Offloading Vessels (FPSO) with numerical models to estimate mooring line [...] Read more.
Monitoring the top-tension of mooring lines is essential for ensuring the safe operation of floating units. This study aims to propose an innovative hybrid method combining measured motions of Floating Production Storage and Offloading Vessels (FPSO) with numerical models to estimate mooring line top-tensions using artificial neural networks. The inconsistency in numerical results of FPSO motions, attributed to the loss of clump weights on mooring lines, necessitates the development of an inversion method employing genetic algorithms. This method identifies the loss of clump weights in the mooring system by utilizing field-measured FPSO motion data to update the numerical model. The results demonstrate that, after detecting clump weight loss, the relative error of the maximum horizontal displacement between the simulated submerged turret production and the measured values is reduced to less than 5%. With the updated model in place, numerical simulations are conducted to map measurable motions and unmeasurable mooring line top-tensions. To achieve precise real-time predictions of mooring line top-tensions, a Long Short-Term Memory (LSTM) neural network is deployed, using the measured FPSO motions as input data. This approach enables highly accurate predictions of mooring line top-tensions. Full article
(This article belongs to the Special Issue Safety Evaluation and Protection in Deep-Sea Resource Exploitation)
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