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Symmetry
Special Issues
Advances in Design and Analysis of Asymmetric Structures
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Advances in Design and Analysis of Asymmetric Structures

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 548

Special Issue Editors

Dr. Xiaohua Li

E-Mail Website
Guest Editor
School of Civil Engineering, Chongqing University, Chongqing 400044, China
Interests: structural engineering; earthquake engineering; structural health monitoring
Prof. Dr. Yongtao Bai

E-Mail Website
Guest Editor
School of Civil Engineering, Chongqing University, Chongqing 400044, China
Interests: structural metamaterials; fracture mechanics; seismic phononic crystal gratings

Special Issue Information

Dear Colleagues,

Asymmetric structures that have various irregularities related to mass distribution, variations in structural stiffness, or geometric deviations come with numerous challenges in design and analysis compared to symmetric structures. In particular, asymmetric structures display complex dynamic behaviors due to significant torsional effects under earthquake and wind events. However, conventional design and analysis methods hardly address such complexities. In response, innovations in structural design theory, deeper understanding of nonlinear behavior, incorporation of advanced materials, and so on, which can provide alternative promising solutions, are needed.

This Special Issue aims to provide a platform for advances in theories and methods for the design and analysis of asymmetric structures. Topics for submissions include, but are not limited to, the following:

  1. Nonlinear behavior of asymmetric structures;
  2. Smart materials for design of asymmetric structures;
  3. Empirical case studies on seismic performance of asymmetrical structures;
  4. Numerical simulation of torsional response using advanced computational methods;
  5. Resilience-based design strategies for asymmetrical structures;
  6. Structural control enhancing seismic resilience;
  7. Experimental and numerical investigations on seismic design.

Dr. Xiaohua Li
Prof. Dr. Yongtao Bai
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. Symmetry 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

  • asymmetric structures
  • seismic design
  • torsional effects
  • nonlinear behavior
  • advanced materials
  • computational modeling
  • seismic resilience

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

16 pages, 3259 KiB  
Article
Force-Finding of Large-Scale Cable Net Glass Curtain Structures Using Inherent Symmetry and Nonlinear Structural Stiffness
by Linzi Fan, Yixin Li, Yao Chen, Xiaodong Feng, Jiangjun Gao, Xingwang Cao and Jian Feng
Symmetry 2025, 17(5), 643; https://doi.org/10.3390/sym17050643 - 24 Apr 2025
Viewed by 182
Abstract
A force-finding analysis is crucial for a single-layer cable net glass curtain structure. In engineering applications, the boundary for such a cable net glass curtain structure exhibits limited rigidity, which frequently causes prestress loss and differential changes in the reaction force of the [...] Read more.
A force-finding analysis is crucial for a single-layer cable net glass curtain structure. In engineering applications, the boundary for such a cable net glass curtain structure exhibits limited rigidity, which frequently causes prestress loss and differential changes in the reaction force of the supports at both ends during the construction process. Here, we propose a nonlinear force-finding method based on the inherent symmetry and nonlinear structural stiffness of these large-scale cable net curtain wall structures. Our method utilizes undirected subgraphs to preprocess and analyze the cable net curtain structures. The subgraphs and their graph products are introduced to effectively compute the overall configuration of the cable net structure. According to the preprocessing results and the boundary conditions of the cable net structure, a nonlinear force-finding method based on the stiffness of the overall structure is presented. Finally, the feasibility of the proposed method could be verified by combining it with actual engineering applications. It took approximately 12 min for a large-scale cable net structure with more than 2000 nodes and members. The obtained prestresses agreed well with the target forces, whereas the computation accuracy was less than 5%. This method provides an important reference for further engineering applications of these cable net glass curtain structures. Full article
(This article belongs to the Special Issue Advances in Design and Analysis of Asymmetric Structures)
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16 pages, 11798 KiB  
Article
Strain Response Analysis and Experimental Study of the Cross-Fault Buried Pipelines
by Yuan Li, Shaofeng Chen, Yu Hou, Wangqiang Xiao, Ling Fan, Zhiqin Cai, Jiayong Wu and Yanbin Li
Symmetry 2025, 17(4), 501; https://doi.org/10.3390/sym17040501 - 26 Mar 2025
Viewed by 216
Abstract
Monitoring and early warning systems for cross-fault buried pipelines are critical measures to ensure the safe operation of oil and gas pipelines. Accurately acquiring pipeline strain response serves as the fundamental basis for achieving this objective. This study proposes a comprehensive analytical methodology [...] Read more.
Monitoring and early warning systems for cross-fault buried pipelines are critical measures to ensure the safe operation of oil and gas pipelines. Accurately acquiring pipeline strain response serves as the fundamental basis for achieving this objective. This study proposes a comprehensive analytical methodology combining finite element analysis (FEA) and experimental verification to investigate strain responses in cross-fault buried pipelines. Firstly, a finite element modeling approach with equivalent-spring boundaries was established for cross-fault pipeline systems. Secondly, based on the similarity ratio theory, an experimental platform was designed using Φ89 mm X42 steel pipes and in situ soil materials. Subsequently, the finite element model of the experimental conditions was constructed using the proposed FEA. Guided by simulation results, strain sensors were strategically deployed on test pipelines to capture strain response data under mechanical loading. Finally, prototype-scale strain responses were obtained through similarity ratio inverse modeling, and a comparative analysis with full-scale FEA results was performed. The results demonstrate that strike-slip fault displacement induces characteristic “S”-shaped antisymmetric deformation in pipelines, with maximum strain concentrations occurring near the fault plane. Both the magnitude and location of maximum strain derived from similarity ratio inverse modeling show close agreement with FEA predictions, with relative discrepancies within 18%. This consistency validates the reliability of the experimental design and confirms the accuracy of the finite element model. The proposed methodology provides valuable technical guidance for implementing strain-based monitoring and early warning systems in cross-fault buried pipeline applications. Full article
(This article belongs to the Special Issue Advances in Design and Analysis of Asymmetric Structures)
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