Nonlinear Dynamics: Symmetry or Asymmetry Nonlinear Dynamical Systems

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Engineering and Materials".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1204

Special Issue Editors

Department of Mechanics, Tianjin University, Tianjin 100072, China
Interests: nonlinear dynamics; rotor dynamics; deep learning

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Guest Editor
Institute of Dynamics and Control Science, Shandong Normal University, Jinan 250014, China
Interests: nonlinear dynamics and control; rotor dynamics; complex network dynamics
Institute of Dynamics and Control Science, Shandong Normal University, Jinan 250014, China
Interests: nonlinear dynamics; complex network dynamics

Special Issue Information

Dear Colleagues,

In recent years, there has been a large demand for nonlinear dynamic investigations driven by both mechanical design and fault diagnosis in the field of vibration systems since the structure design and operation situation of vibration systems tend to be more extreme. This Special Issue focuses on the landmarks attained in this endeavor.

As we all know, symmetry or asymmetry structures affect the nonlinear behaviors of nonlinear systems hugely. Thus, we invite specialists in nonlinear system dynamics, not only mechanical systems but also other kinds, like economic systems, biological systems, etc., as well as interdisciplinary cooperation, to report their findings and discuss possibilities of integrating the information obtained into different nonlinear systems. We especially welcome submissions which aim to formulate new concepts, new approaches, and new solutions that might be applied to practical engineering systems.

The goal of this Special Issue, entitled “Nonlinear Dynamics: Symmetry or Asymmetry Nonlinear Dynamical Systems”, is to report on the latest advances on all these related topics. We kindly invite all researchers working in this area to contribute to this Special Issue.

Dr. Shun Zhong
Dr. Xiaodong Wang
Dr. Lun Liu
Guest Editors

Manuscript Submission Information

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Keywords

  • nonlinear dynamics
  • mechanical design
  • fault diagnosis
  • vibration system
  • symmetry or asymmetry
  • deep learning

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Published Papers (1 paper)

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Research

13 pages, 966 KiB  
Article
Laundry Machine Auto-Balancing Mechanism: Non-Linear Simulation of Imbalance Settlement
by Jiri Podesva, Pavel Marsalek, Jakub Cienciala, Lukas Drahorad and Radim Halama
Symmetry 2024, 16(8), 980; https://doi.org/10.3390/sym16080980 - 2 Aug 2024
Viewed by 836
Abstract
The auto-balancing mechanism is used in the spin-dry regime of the laundry machine. The high rotating speed and unbalanced mass inside the drum create centrifugal force, which is the cause of vibration. The auto-balancing mechanism consists of a set of balls in the [...] Read more.
The auto-balancing mechanism is used in the spin-dry regime of the laundry machine. The high rotating speed and unbalanced mass inside the drum create centrifugal force, which is the cause of vibration. The auto-balancing mechanism consists of a set of balls in the circular guiding track. During the spin-dry process, the balls settle in the opposite position to an unbalanced mass. The centrifugal force of the balls compensates the one of the unbalanced masses. The paper deals with the non-linear numerical simulation of the imbalance settlement and the following parametric study. The solution to the problem is demonstrated on an industrial laundry machine with a maximum capacity of 7 kg of dry laundry and a maximum rotating speed of 930 rpm. The proposed numerical model allows us to investigate the behavior of the auto-balancing mechanism and predict the vibration amplitudes of the system. Full article
(This article belongs to the Special Issue Nonlinear Dynamics: Symmetry or Asymmetry Nonlinear Dynamical Systems)
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