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JMSE
Special Issues
Ship Design and Structure Dynamics
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Ship Design and Structure Dynamics

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: closed (6 May 2024) | Viewed by 5093

Special Issue Editors

Dr. Tiangui Ye

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: ship vibration and noise reduction; marine engineering; power engineering and engineering thermophysics
Dr. Chen Yukun

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: mechanical structure dynamics; multi-physics coupled vibration; rotor dynamics; theoretical modeling of composite materials; nonlinear dynamics
Prof. Dr. Guoyong Jin

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: structural dynamics and acoustics; vibration and noise of power machinery; vibration and noise control of marine power plant
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The vibration and noise level of a ship directly affect the working and living environment of the staff on board, and reduce the service life of marine equipment and precision instruments. Ship structural dynamics is one of the main factors to be considered when designing a ship. In recent years, new types of ships have been constantly produced, and ship structure dynamics have presented new characteristics, requirements, and problems. Meanwhile, many new methods and techniques have been proposed to study the basic theory of ship structure vibration, the steady-state response of ship structure under periodic load, the transient response under short-term impact load, and the principles of ship structure vibration prevention and vibration reduction. This Special Issue aims to report state-of-the-art developments in the field of ship design and structure dynamics. Original research and review articles related to the topic are welcome.

Dr. Tiangui Ye
Dr. Chen Yukun
Prof. Dr. Guoyong Jin
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 and evaluation of vibration and noise of marine equipment
  • power equipment vibration and noise control
  • active and adaptive control of vibration and noise
  • passive control of vibration and noise
  • transient response under short-term impact load
  • transient fluid–structure coupling vibration
  • excitation source identification and recognition
  • acoustic/vibroacoustic problems
  • high-frequency structure vibration problems
  • analytical methods and modeling for linear vibration and acoustics
  • nonlinear aspects of vibration and acoustic radiation

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Published Papers (3 papers)

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Research

17 pages, 9412 KiB  
Article
Dynamic Response Mechanism of Thin-Walled Plate under Confined and Unconfined Blast Loads
by Shujian Yao, Yikai Chen, Chengming Sun, Nan Zhao, Zhonggang Wang and Duo Zhang
J. Mar. Sci. Eng. 2024, 12(2), 224; https://doi.org/10.3390/jmse12020224 - 26 Jan 2024
Cited by 3 | Viewed by 1250
Abstract
Thin-walled metal plates and cabin structures are widely found in ships and cargos which are susceptible to attacks or accidental explosions. The present work focuses on the dynamic response mechanism of steel plates under unconfined and confined blast loads. In the experiment, digital [...] Read more.
Thin-walled metal plates and cabin structures are widely found in ships and cargos which are susceptible to attacks or accidental explosions. The present work focuses on the dynamic response mechanism of steel plates under unconfined and confined blast loads. In the experiment, digital image correlation (DIC) technique was applied to record and analyze the dynamic response process of a large-scale field blast test. The DIC measured curve and the numerically calculated curves agree well in both trends and peak values. Then, the dynamic response mechanisms of steel plates under an unconfined blast (UB) load and confined blast (CB) load were compared and discussed. The results show that the dynamic response of plates can be divided into three phases under both UB and CB loads, with different mechanisms. In phase I, plastic hinges start from the center and move to the boundary in the UB condition, while in the case of CB, plastic hinges occur close to the boundary and move in the opposite direction. In phase II, two plastic hinge lines propagate towards each other, a platform exists between the boundary, and the central area remains undeformed in the UB condition, while in the CB condition, larger deformation occurs in the peripheral region rather than the central area. Full article
(This article belongs to the Special Issue Ship Design and Structure Dynamics)
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19 pages, 6640 KiB  
Article
A New Multi-Mechanism Synergistic Acoustic Structure for Underwater Low-Frequency and Broadband Sound Absorption
by Kangkang Shi, Dongsheng Li, Dongsen Hu, Qi Shen and Guoyong Jin
J. Mar. Sci. Eng. 2023, 11(12), 2373; https://doi.org/10.3390/jmse11122373 - 15 Dec 2023
Cited by 2 | Viewed by 1268
Abstract
The acoustic absorption characteristics of anechoic coatings attached to the surface of underwater vehicles are closely related to their acoustic stealth. Owing to the essential property of local resonance, the narrow sound-absorption band cannot meet the underwater broadband sound absorption requirements. To this [...] Read more.
The acoustic absorption characteristics of anechoic coatings attached to the surface of underwater vehicles are closely related to their acoustic stealth. Owing to the essential property of local resonance, the narrow sound-absorption band cannot meet the underwater broadband sound absorption requirements. To this end, a multi-mechanism synergistic composite acoustic structure (MMSC−AS) was designed according to the integration of multiple acoustic dissipation mechanisms in this paper. Then, the acoustical calculation model for MMSC−AS was developed by using the graded finite element method (G-FEM), and the feasibility and the correctness of the established acoustical calculation model were verified. The underwater sound absorption behaviors of MMSC−AS were studied, and the optimization of the sound absorption characteristics of the MMSC−AS was also carried out. The results indicated that the calculation accuracy of the G-FEM was better than that of the FEM under the condition of the same mesh elements. Moreover, there were many sound wave regulation mechanisms in the MMSC−AS, and the synergy between the mechanisms enriched the mode of sound acoustic energy dissipation, which could widen the absorption band with effect. This study provides theoretical and technical basis for breaking through the challenge of low-frequency and broadband acoustic structure design of underwater vehicles. Full article
(This article belongs to the Special Issue Ship Design and Structure Dynamics)
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17 pages, 7395 KiB  
Article
Design and Optimization of a New Type of Magnetic Suspension Vibration Absorber for Marine Engineering
by Changming Dai, Zhengyuan Liu, Yu Wang, Xiang Lin, Hui Liu and Bo Zhou
J. Mar. Sci. Eng. 2023, 11(11), 2070; https://doi.org/10.3390/jmse11112070 - 30 Oct 2023
Viewed by 1436
Abstract
The magnetic suspension damper, which is based on magnetic suspension technology, is receiving more and more attention from academics as active–passive hybrid damping technology develops. A new symmetric magnetic suspension structure is constructed in this study, and the accuracy of the simulation findings [...] Read more.
The magnetic suspension damper, which is based on magnetic suspension technology, is receiving more and more attention from academics as active–passive hybrid damping technology develops. A new symmetric magnetic suspension structure is constructed in this study, and the accuracy of the simulation findings is confirmed by contrasting the output from finite element simulation with the theoretical formulations. On the basis of this, how the structure, size, and material of the electromagnet and armature affect the magnetic flux density, electromagnetic force, and suspension force is investigated. The structure optimization of the electromagnet and armature was performed in accordance with the simulation results, and a new symmetric magnetic suspension structure was produced. The results of the simulation demonstrate that DT4(electrical pure iron) is the ideal material for armatures and electromagnets. The reinforcing ring construction can be built up by the armature to increase suspension force. The suspension force output by the armature will be greatly increased when the size and placement of the reinforcing ring structure are right. The system stiffness adjustment range will expand at this point, enhancing the magnetic suspension damper’s functionality. This study offers novel perspectives for designing structures that reduce vibration and noise in various projects and serves as a guide to constructing magnetic suspension dampers. Full article
(This article belongs to the Special Issue Ship Design and Structure Dynamics)
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