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Ropeway Systems Dynamics and Control: Analytical, Numerical, and Experimental Methods...
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Ropeway Systems Dynamics and Control: Analytical, Numerical, and Experimental Methods towards New Design Strategies

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 4447

Special Issue Editor

Dr. Andrea Arena

E-Mail Website
Guest Editor
Department of Structural and Geotechnical Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
Interests: nonlinear dynamics of continuum and discrete mechanical systems; bifurcation analysis of nonlinear system via an asymptotic approach; aeroelastic analysis of nonlinear structures; vibration control on nonlinear systems via passive and semi-active devices

Special Issue Information

Dear Colleagues,

This Special Issue aims to provide insights and new advances in the field of the dynamics and the vibration control of ropeways and cable-drawn transport systems.

Papers are welcome in the area of parametric modeling (analytical or numerical) and numerical simulations of the linear and the nonlinear response of discrete and continuous systems with applications to ropeways, on the vibration control and experimental characterization of the dynamics of all the mechanical elements assembling ropeway systems (i.e., the moving cables, the hauled cars, the roller batteries, and the towers) and their linear and nonlinear interactions. Papers concerning fatigue analysis, design optimization, and static and dynamic identification applied to ropeways and cable-drawn systems are also welcome.

The Special Issue will also be a great opportunity to collect and disseminate the most recent developments in terms of analytical and numerical techniques, and also experimental evidences, which can be suitable for practical applications in the design of ropeways, the optimization of their mechanical behavior, and the control of their dynamic response.

This Special Issue on “Ropeway Systems Dynamics and Control: Analytical, Numerical, and Experimental Methods toward New Design Strategies” will cover, but not be limited to, the following topics applied to ropeways and cable-drawn systems:

  • Analytical and numerical techniques for the study of the nonlinear dynamic behavior;
  • Finite element modeling and analysis of ropeways and cable-drawn systems;
  • Characterization of the linear and nonlinear dynamic response;
  • Linear and nonlinear dynamic phenomena and interactions;
  • Dynamics of fixed and moving cables;
  • Dynamics of mixed, discrete, and continuous mechanical systems;
  • Dynamics of pendular systems;
  • Experimental studies of observed linear and nonlinear dynamic phenomena;
  • Optimization of dynamic behavior;
  • Parametric and nonparametric identification of the dynamic response;
  • Passive and active control of the dynamic response;
  • Linear and nonlinear control of the dynamic response;
  • Fatigue problems in ropeway systems;
  • Contact problems in rollers–cable interaction

Selected papers by the participants of the “2nd International Conference on Computations for Science and Engineering (https://events.unibo.it/iccse/special-issues)” will be considered for publication. A few discounts/free waivers may be available for the Special Issue—please check with the Editorial Office.

Dr. Andrea Arena
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. Applied Sciences 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

  • ropeways
  • roller battery dynamics
  • parametric models
  • numerical models
  • discrete and continuous systems
  • full-scale experiments
  • parametric and nonparametric identification
  • vibration control
  • linear and nonlinear TMD
  • hysteretic absorbers

Published Papers (2 papers)

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Research

18 pages, 3217 KiB  
Article
Nonlinear Vibration Isolation via a NiTiNOL Wire Rope
by Mu-Qing Niu and Li-Qun Chen
Appl. Sci. 2021, 11(21), 10032; https://0-doi-org.brum.beds.ac.uk/10.3390/app112110032 - 26 Oct 2021
Cited by 4 | Viewed by 1906
Abstract
Vibration isolators with both stiffness and damping nonlinearities show promise for exhibiting compound advantages for broadband vibration isolation. A nonlinear isolator with a NiTiNOL wire rope is proposed with cubic stiffness, hysteretic damping, and pinching effects induced by geometric constraints, inner frictions, and [...] Read more.
Vibration isolators with both stiffness and damping nonlinearities show promise for exhibiting compound advantages for broadband vibration isolation. A nonlinear isolator with a NiTiNOL wire rope is proposed with cubic stiffness, hysteretic damping, and pinching effects induced by geometric constraints, inner frictions, and phase transitions, respectively. A combined method of a beam constraint model and a Bouc-Wen model is presented to characterize the restoring force of the NiTiNOL wire rope. The frequency responses of the nonlinear isolator were analyzed through a harmonic balance method with an alternating frequency/time domain technique. The generalized equivalent stiffness and the generalized equivalent damping ratio were defined for a comprehensive understanding of the nonlinear characteristics. The isolator exhibited a stiffness-softening-hardening characteristic. The pinching effect, the Bouc-Wen hysteresis, and the cubic stiffness mainly influenced the equivalent stiffness at the initial value, the small displacements, and the large displacements, respectively. The rate-independent damping ratio increased and then decreased with increasing displacement, and the parameters influenced the damping ratio change in different ways. Compared to an isolator with a steel wire rope, the isolator with a NiTiNOL wire rope exhibited less initial stiffness and a stronger damping effect, and thus, better vibration isolation performance. The relationships of the peak displacement transmissibility and the resonant frequency with the excitation amplitude were both non-monotonic due to the non-monotonic changes of the stiffness and the damping ratio. The minimum peak transmissibility, the lowest resonant frequency, and their corresponding excitation amplitudes depended on the isolator parameters. The isolator demonstrated stiffness–softening and stiffness–hardening types of jump phenomena with different parameters. Full article
(This article belongs to the Special Issue Ropeway Systems Dynamics and Control: Analytical, Numerical, and Experimental Methods towards New Design Strategies)
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23 pages, 2111 KiB  
Article
Nonlinear Dynamic Response of Ropeway Roller Batteries via an Asymptotic Approach
by Andrea Arena
Appl. Sci. 2021, 11(20), 9486; https://0-doi-org.brum.beds.ac.uk/10.3390/app11209486 - 13 Oct 2021
Viewed by 1543
Abstract
The nonlinear dynamic features of compression roller batteries were investigated together with their nonlinear response to primary resonance excitation and to internal interactions between modes. Starting from a parametric nonlinear model based on a previously developed Lagrangian formulation, asymptotic treatment of the equations [...] Read more.
The nonlinear dynamic features of compression roller batteries were investigated together with their nonlinear response to primary resonance excitation and to internal interactions between modes. Starting from a parametric nonlinear model based on a previously developed Lagrangian formulation, asymptotic treatment of the equations of motion was first performed to characterize the nonlinearity of the lowest nonlinear normal modes of the system. They were found to be characterized by a softening nonlinearity associated with the stiffness terms. Subsequently, a direct time integration of the equations of motion was performed to compute the frequency response curves (FRCs) when the system is subjected to direct harmonic excitations causing the primary resonance of the lowest skew-symmetric mode shape. The method of multiple scales was then employed to study the bifurcation behavior and deliver closed-form expressions of the FRCs and of the loci of the fold bifurcation points, which provide the stability regions of the system. Furthermore, conditions for the onset of internal resonances between the lowest roller battery modes were found, and a 2:1 resonance between the third and first modes of the system was investigated in the case of harmonic excitation having a frequency close to the first mode and the third mode, respectively. Full article
(This article belongs to the Special Issue Ropeway Systems Dynamics and Control: Analytical, Numerical, and Experimental Methods towards New Design Strategies)
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