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Water
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Reliability and Safety in Ocean and Coastal Engineering
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Reliability and Safety in Ocean and Coastal Engineering

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Oceans and Coastal Zones".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 6906

Special Issue Editor

Dr. Zengkai Liu

E-Mail Website
Guest Editor
Qingdao Innovation and Development Base, Harbin Engineering University, Qingdao 266000, China
Interests: reliability; safety; risk assessment; ocean and coastal engineering; machine learning; oil spill
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Failures of process operations and safety-related systems in ocean and coastal engineering can lead to catastrophic accidents. Therefore, there are extremely strict requirements for reliability and safety in ocean and coastal engineering. Safety is a significant challenge during the exploration and development of ocean resources, and understanding reliability and safety is imperative to enhance the level of these activities. This Special Issue aims to present recent progress on reliability and safety techniques in ocean and coastal engineering. Potential topics include, but are not limited to, the following:

  • Methodologies for reliability and safety modeling, analysis and evaluation;
  • Qualitative and quantitative risk assessment of engineering systems;
  • Qualitative and quantitative risk assessment of oil spills and other accidents;
  • Safety and risks in dangerous goods maritime transportation;
  • Complexity and uncertainty analysis in the ocean context;
  • Risk-informed decision making for offshore operations;
  • Fault diagnosis/prognostics for offshore facilities;
  • Loss prevention and barrier techniques in offshore and marine industries;
  • Validation and verification methods for reliability and safety models;

• Applications of machine learning or deep learning algorithms in reliability and safety.

Dr. Zengkai Liu
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. Water is an international peer-reviewed open access semimonthly 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

  • reliability
  • safety
  • risk assessment
  • ocean and coastal engineering
  • machine learning
  • uncertainty
  • oil spills

Published Papers (3 papers)

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Research

14 pages, 590 KiB  
Article
An Analysis of the Risks during Personnel Transfers between Units Operating on the Water
by Krzysztof Radwanski and Grzegorz Rutkowski
Water 2022, 14(20), 3303; https://doi.org/10.3390/w14203303 - 19 Oct 2022
Cited by 1 | Viewed by 2161
Abstract
The purpose of this article is to analyse the risk related to the transfer of personnel between units operating on the water. Although several regulations exist, there are still a high volume of noncompliant personnel and passengers transfer arrangements throughout the industry. In [...] Read more.
The purpose of this article is to analyse the risk related to the transfer of personnel between units operating on the water. Although several regulations exist, there are still a high volume of noncompliant personnel and passengers transfer arrangements throughout the industry. In light of this, it is the aim of this research to critically investigate and understand what is contributing to such a high level of noncompliance. In this paper, the authors outline the industry’s concern about poorly assembled ladders causing severe injuries or fatalities during personnel transfers and the preventive actions taken by various organizations. Mentioned demand is supported by the analysis of selected statistical data on maritime accidents and proposals of planned preventive actions. The study also presents an example of work risk assessment for typical personnel (pilot) boarding operations with the use of pilot ladders or other means of personnel transfer. The authors hope that the formal risk assessment (RA) presented in this paper will be the basis for the development of appropriate procedures and a checklist for each crew member involved in various transfer operations to or from the ship. As a result, the widespread use of such procedures, combined with adequate training of crews in hazard identification and risk assessment, should significantly improve overall safety in maritime transport systems. Full article
(This article belongs to the Special Issue Reliability and Safety in Ocean and Coastal Engineering)
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25 pages, 4459 KiB  
Article
Risk Propagation Evolution Analysis of Oil and Gas Leakage in FPSO Oil and Gas Processing System by Mapping Bow-Tie into Directed Weighted Complex Network
by Longting Wang, Liping Sun, Hai Sun, Xiangkun Meng and Jichuan Kang
Water 2022, 14(18), 2857; https://doi.org/10.3390/w14182857 - 13 Sep 2022
Cited by 1 | Viewed by 2107
Abstract
An innovative methodology is proposed to identify potential risk factors and possible accident escalation consequences, and to determine the evolution of an accident from cause to consequence, thereby to identify the most probable path and discover key risk factors along the path rapidly. [...] Read more.
An innovative methodology is proposed to identify potential risk factors and possible accident escalation consequences, and to determine the evolution of an accident from cause to consequence, thereby to identify the most probable path and discover key risk factors along the path rapidly. Based on the principle of a directed weighted complex network (DWCN), the bow-tie (BT) model, risk entropy and the improved ant colony optimization (IACO) algorithm are integrated into this methodology. First, the qualitative analysis of risk evolution based on the BT model is carried out. The evolution development based on accident suppression can be divided into two stages: accident precursor stage and accident evolution stage. Then, a new method for mapping BT into DWCN is proposed. Lastly, the shortest path analysis of risk evolution based on the IACO algorithm is carried out, fuzzy set theory (FST) is introduced to calculate the failure probability of risk factors, and risk entropy is used to represent the uncertainty of risk propagation. Thus, the IACO algorithm can be used to calculate the shortest path of risk evolution. The proposed method is applied to oil and gas leakages in the FPSO oil and gas processing system. The results show that it is an effective method to identify the shortest evolution path and the most vulnerable risk factors. Full article
(This article belongs to the Special Issue Reliability and Safety in Ocean and Coastal Engineering)
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17 pages, 4912 KiB  
Article
Experimental Study on the Influence of Pipeline Vibration on Silty Seabed Liquefaction
by Jishang Xu, Xingyu Xu, Yaqi Zhang, Jinjing Pu, Jiangfeng Dong, Chunlai Wang, Guangxue Li, Anlong Li, Shaotong Zhang and Yaxin Zhang
Water 2022, 14(11), 1782; https://doi.org/10.3390/w14111782 - 01 Jun 2022
Cited by 1 | Viewed by 2097
Abstract
Free-spanning submarine pipelines are usually affected by vortex-induced vibration (VIV). Such vibration could influence the liquefaction of the supporting soil at both ends of the free spans and could have catastrophic consequences, including the failure of the local seabed and the displacing, sinking, [...] Read more.
Free-spanning submarine pipelines are usually affected by vortex-induced vibration (VIV). Such vibration could influence the liquefaction of the supporting soil at both ends of the free spans and could have catastrophic consequences, including the failure of the local seabed and the displacing, sinking, or floating of pipelines. The influence of pipeline vibration on soil liquefaction has not been studied sufficiently. Therefore, we explored the influence of vortex-induced pipeline vibration on the excess pore pressure of silty soil around a pipeline using flume experiments. Our results showed that pipeline vibration could induce the buildup of excess pore-water pressure, even without wave loading. A fully liquefied zone was found close to the pipeline, where excess pore pressure reached the soil liquefaction criterion, which was surrounded by a partially liquefied zone. The extent of liquefaction depended on the vibration conditions and the weight and burial depth of the pipeline. The pipeline vibration amplitude increased after soil liquefaction. Unlike wave-induced liquefaction, pipeline-induced vibration liquefaction occurred at a critical value smaller than the initial mean normal effective stress. Considering the possibility of pipeline-vibration-induced seabed liquefaction, conventional approaches could underestimate the potential risks to pipeline stability and result in unsafe maintenance practices. Full article
(This article belongs to the Special Issue Reliability and Safety in Ocean and Coastal Engineering)
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