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Sustainability
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Structural Health Monitoring and Sustainability
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Structural Health Monitoring and Sustainability

A special issue of Sustainability (ISSN 2071-1050).

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 3310

Special Issue Editors

Prof. Dr. Paul Ziehl

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, University of South Carolina, Columbia, SC 29208, USA
Interests: structural health monitoring (SHM); smart structures; GeoPolymers; nondestructive testing (NDT) and monitoring; corrosion technology; sustainability; acoustic emission
Dr. Mahmoud Bayat

E-Mail Website
Guest Editor
School of Architecture, College of Architecture Planning and Public Affairs, The University of Texas at Arlington, Arlington, TX 76019, USA
Interests: nonlinear vibrations; structural health monitoring (SHM); resilience-based design of structures; bayesian statistics; risk and reliability assessment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Seismic excitation, environmental conditions, material degradation, and deterioration of existing structures lead the structures to serious risk and life safety. One of the important tools for evaluating damage status, damage detection, and the preventive maintenance strategies of structures is structural health monitoring (SHM). The implementation of SHM techniques has widely been proposed and documented in recent years.

Sustainability approach has merged in engineering design procedures to achieve optimum, smart, and reliable systems. Innovative sustainable materials are recently considered as a substation for conventional construction building materials due to their less effect on the environment that can preserve the natural resources. Recycled materials have been widely used especially in concrete, to attain sustainability.

There are several aspects that are now being introduced to the conventional notion of structural health monitoring, which is expected to contribute to objectives of sustainability. As a new composite concept, SHM should design a mechanism by considering the set of objectives for sustainable engineering systems. Different notions of SHM have been proposed to achieve sustainable systems. Some of these aspects are smart systems, smart materials, wireless sensor networks, conservation of historic cultural heritage.

With consideration of the significance of structural health monitoring and sustainability in civil engineering, especially in construction building materials, this special issue exploits the advances in structural health monitoring and sustainability. We invite researchers to contribute with original research articles that include new theoretical approaches, numerical simulations, new material designs, or experimental studies. We also welcome review articles summarizing the current state of the art.

 

Potential topics to structural health monitoring and sustainability include but are not limited to the following:

 

  • Novel structural materials address sustainability issues
  • Resource availability in different geographical regions to promote specific construction materials
  • Cost-benefit approaches in monitoring, design, and replacement of structures with the aspect of SHM and sustainability
  • Machine learning and deep learning in SHM and sustainability analyses
  • Experimental or numerical analysis in SHM and sustainability (acoustic, vibration, optical, infrared, thermal, electrical, electromagnetic, etc.)
  • Optimization techniques structural health monitoring and sustainability
  • Novel construction engineering practices and approaches aimed at material reduction
  • SHM improving measurement accuracy and inspection technologies
  • Life extension of structures using structural health monitoring

Prof. Paul Ziehl
Dr. Mahmoud Bayat
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. Sustainability 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 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

  • Sustainable Design
  • Structural Health Monitoring
  • Experimental and Numerical Analysis
  • Structural Materials
  • Machine Learning and Deep Learning
  • Optimization
  • Cost-benefit Approaches

Published Papers (1 paper)

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Research

19 pages, 5960 KiB  
Article
A Speed-Variant Balancing Method for Flexible Rotary Machines Based on Acoustic Responses
by Andrew Peplow, Javad Isavand, Afshar Kasaei, Babak Afzali and Delphine Bard-Hagberg
Sustainability 2021, 13(13), 7237; https://doi.org/10.3390/su13137237 - 28 Jun 2021
Cited by 1 | Viewed by 1940
Abstract
As rotary machines have become more complicated, balancing processes have been classified as a vital step in condition monitoring to ensure that machines operate reliably, smoothly and safely. All rotating objects will deflect during rotation and all objects possess certain natural frequencies in [...] Read more.
As rotary machines have become more complicated, balancing processes have been classified as a vital step in condition monitoring to ensure that machines operate reliably, smoothly and safely. All rotating objects will deflect during rotation and all objects possess certain natural frequencies in the absence of rotation. However, an unbalanced object can cause significant unwanted deflection created by resonant vibration at a frequency (cycles/second) close to certain rotational speeds (rotations/second), known as critical speeds. This is especially important for flexible machines which normally work at rotations above their critical speeds. Imbalance is a common problem in flexible rotating machinery that can lead to extreme vibration and noise levels. This is one of the major reasons for studying various balancing methods applied to the vibration response of rotating machines. Recently, the relation between acoustic and vibration response during a rotary machine balancing process based on the original Four-Run method has been presented for constant speed machines. This method cannot be applied to machines in start-up or shut-off. Hence, by considering the acoustic and vibration responses of a machine between its critical speeds, this research presents a new innovative speed-variant balancing method based on the original Four-Run method, named as (PPCS) Peak to Peak for Critical Speeds. The proposed method consists of two major types of application: the first is in the run-up of the machine and the second is in shut down. Experimental laboratory results show that this method can be implemented for speed-variant and flexible rotary machines during run-up or shut-down transient processes based on acoustic and vibration measurements. Further, the results show the same trend in acoustic and vibration responses during balancing process which was shown for constant speed rotary machines. With a 40% improvement in response compared to around 55% obtained by traditional vibration measurements, the results found show an appreciable benefit in an alternative acoustic methodology that may have not been considered previously for run-up and shut-down issues. In addition, since only the magnitude of response is required and this is a non-contact technique an acoustic-only methodology, it can be employed with some confidence as an innovative and readily available method for condition monitoring. Full article
(This article belongs to the Special Issue Structural Health Monitoring and Sustainability)
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