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Journals
Machines
Special Issues
Damping in Structures and Mechanisms
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Damping in Structures and Mechanisms

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Material Processing Technology".

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 3445

Special Issue Editors

Prof. Dr. Dimitrios Chronopoulos

E-Mail Website
Guest Editor
Department of Mechanical Engineering & Mecha(tro)nic System Dynamics (LMSD), KU Leuven, 9000 Leuven, Belgium
Interests: ultrasound metamaterials; metamaterials for structural health monitoring applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tzu-Kang Lin

E-Mail Website
Guest Editor
Department of Civil Engineering, National Chiao Tung University, Hsinchu, Taiwan
Interests: structural health monitoring; smart structural control; bridge engineering; Artificial Intelligence; bio-inspired concept; information theory
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Modern mechanisms are increasingly made of lightweight (often composite) materials due to the well-known social need for energy savings. Despite their superior structural characteristics, lightweight structures may compromise comfort and exhibit fatigue to loading faster. Structural integrity can therefore be compromised. In order to maintain the comfort and safety levels within acceptable limits, additional damping at minimum extra weight needs to be implemented. This Special Issue will bring together academic and industrial researchers leading the field of mass-efficient, high-damping materials, mechanisms, and structures. The Issue will comprise high-quality manuscripts presenting a comprehensive range of cutting-edge technologies for damping enhancement strategies.

Prof. Dr. Dimitrios Chronopoulos
Prof. Dr. Tzu-Kang Lin
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. Machines 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 2400 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

  • damping materials
  • smart and adaptable structures and mechanisms
  • metamaterials and metastructures
  • composite structures
  • mass-efficient vibroacoustic attenuation

Published Papers (1 paper)

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Research

15 pages, 5299 KiB  
Article
Mathematical Modeling and Simulation of Suspended Equipment Impact on Car Body Modes
by Sunil Kumar Sharma, Jaesun Lee and Hong-Lae Jang
Machines 2022, 10(3), 192; https://0-doi-org.brum.beds.ac.uk/10.3390/machines10030192 - 06 Mar 2022
Cited by 16 | Viewed by 2807
Abstract
A passenger railway vehicle’s lightweight design is an efficient technique of reducing energy consumption and dynamic forces between wheel and rail. However, light design results in resonant vibration in a car body. To restrain resonant vibration, a correlation between the suspended equipment variables [...] Read more.
A passenger railway vehicle’s lightweight design is an efficient technique of reducing energy consumption and dynamic forces between wheel and rail. However, light design results in resonant vibration in a car body. To restrain resonant vibration, a correlation between the suspended equipment variables and the car body’s modal frequency was investigated in this paper. A rigid–flexible general model was developed to examine the impacts of different equipment suspended under the chassis based on mass, location, and frequency on the car body mode. In addition, the numerical model is validated through the experimental result in terms of ride quality. The results demonstrate that the underframe equipment’s suspension characteristics have a significant impact on the mode of the car body, particularly the frequency of the first bending mode. Equipment with a considerable mass should be suspended near the center of the car body to optimize the frequency of the car body’s high-frequency bending. The weight of the equipment has a significant impact on the car body’s first bending frequency. The frequency of heavy equipment should be low enough to promote high-frequency transmissibility and improve the vibration characteristics of the car body. Full article
(This article belongs to the Special Issue Damping in Structures and Mechanisms)
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