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Applied Sciences
Special Issues
The Applications of Nonlinear Dynamics in Materials and Structures
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The Applications of Nonlinear Dynamics in Materials and Structures

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

Deadline for manuscript submissions: 20 October 2024 | Viewed by 994

Special Issue Editor

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,

It is well known that most physical processes and phenomena are nonlinear. Although many problems are roughly considered to be linear and this approach gives satisfactory results, there are some practical problems that require consideration of the effects of nonlinearities. Nonlinear dynamics is a science that studies the quantitative and qualitative laws of various motion states in nonlinear dynamical systems, especially the evolution behavior of motion patterns. It is a very promising tool discipline, providing a potential analytical engine for the era of big data. This Special Issue focuses on contemporary applications, innovative theory, and the challenges of nonlinear dynamics in materials and structures.

Dr. Mahmoud Bayat
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

  • nonlinear dynamics
  • nonlinear methods
  • nonlinear engineering
  • nonlinear vibration

Published Papers (2 papers)

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Research

21 pages, 3663 KiB  
Article
Study on the Impact of Different Pile Foundation Construction Methods on Neighboring Oil and Gas Pipelines under Very Small Clearances
by Dunwen Liu, Xiaotian Zhang, Yu Tang, Yuhui Jin and Kunpeng Cao
Appl. Sci. 2024, 14(9), 3609; https://doi.org/10.3390/app14093609 - 24 Apr 2024
Viewed by 125
Abstract
With the acceleration of transportation infrastructure and the densification of transportation networks, there has been an increase in bridge pile construction near oil and gas pipelines. Selecting bridge pile construction methods with minimal impact and reducing the adverse effects of bridge pile construction [...] Read more.
With the acceleration of transportation infrastructure and the densification of transportation networks, there has been an increase in bridge pile construction near oil and gas pipelines. Selecting bridge pile construction methods with minimal impact and reducing the adverse effects of bridge pile construction on nearby oil and gas pipelines are of great importance. This paper uses FLAC3D 6.0 software to simulate and analyze the impact of two different pile construction methods, rotary drilling and impact drilling, on adjacent oil pipelines. The results show that the horizontal displacement of oil pipelines during rotary drilling construction is nearly 90% lower than that of the traditional impact drilling method, and the axial stress is reduced by nearly 85%. Furthermore, numerical simulations of rotary drilling under different conditions were conducted to analyze and summarize the patterns of how different conditions affect construction vibration and stress. This study provides a reference for bridge pile construction near oil and gas pipelines or important buildings. Full article
(This article belongs to the Special Issue The Applications of Nonlinear Dynamics in Materials and Structures)
19 pages, 8045 KiB  
Article
Chaotic Characteristic Analysis of Spillway Radial Gate Vibration under Discharge Excitation
by Yangliang Lu, Yakun Liu, Di Zhang, Ze Cao and Xuemin Fu
Appl. Sci. 2024, 14(1), 99; https://doi.org/10.3390/app14010099 - 21 Dec 2023
Viewed by 655
Abstract
This paper aims to assess the nonlinear vibration of a radial gate induced by flood discharge; the measured acceleration response data of a spillway radial gate are analyzed using the chaos theory. The results show that the vibration responses of the gate at [...] Read more.
This paper aims to assess the nonlinear vibration of a radial gate induced by flood discharge; the measured acceleration response data of a spillway radial gate are analyzed using the chaos theory. The results show that the vibration responses of the gate at three opening heights present clear chaotic characteristics, and the chaotic characteristics of the lower main beam point are greater than other points. Moreover, the y-direction (vertical) correlation dimensions of the three measuring points on the supporting arm are larger than those of the x-direction (axial) and z-direction (lateral). The vertical vibration of the supporting arm is more complex and presents more uncertainties, which should be paid attention to in the literature. Under three different gate opening heights, the maximum Lyapunov exponent of each measuring point ranges from 0.0246 to 0.0681. In addition, the flow fluctuation load is the main excitation source of the gate vibration chaotic characteristics. Full article
(This article belongs to the Special Issue The Applications of Nonlinear Dynamics in Materials and Structures)
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