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Symmetry
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Symmetry in Multi-Field Coupling and Structural Mechanics
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Symmetry in Multi-Field Coupling and Structural Mechanics

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

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 2289

Special Issue Editors

Dr. Han Zhang

E-Mail Website
Guest Editor
Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China
Interests: multi-field coupling and intelligent structural mechanics; composite materials and structural mechanics; ultrasound physics and technology
Dr. Meng Chen

E-Mail Website
Guest Editor
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
Interests: composite materials; acoustic/elastic metamaterials; smart materials and structure

Special Issue Information

Dear Colleagues,

Multi-field coupling and structural mechanics have collaborated to support our tools in the understanding and solving of complex problems in practice. Over the past two decades, remarkable progress has been achieved in the new phenomena and simulation analyses of multi-field coupling and structural mechanics, but many theoretical frameworks, experimental studies, and practical applications remain to be further explored.

The aim of this Special Issue is to collect contributions concerning recent developments regarding multi-field coupling and structural mechanics in all fields of science and engineering, welcoming papers in relation to statics and dynamics, and their applications in modeling mechanical, electrical, thermal, magnetic, chemical, and biomedical systems with engineering applications. Theoretical and experimental studies, device developments, advanced materials, and cross-scales highlighting advances in multi-field coupling and structural mechanics are also welcomed.

Please kindly note that all submitted papers should be within the scope of the journal where symmetry, or the deliberate lack of symmetry, is present.

Dr. Han Zhang
Dr. Meng Chen
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

  • metamaterials
  • functionally gradient symmetric structures
  • topology insulation
  • elastic theory
  • wave motion
  • lie group symmetry
  • active contorl (thermal, force or electric excitation)
  • dynamic failure analysis
  • structural safety evaluation
  • smart structure and control
  • energy harvesting

Published Papers (1 paper)

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Research

16 pages, 2552 KiB  
Article
Multi-Objective Reliability-Based Partial Topology Optimization of a Composite Aircraft Wing
by Suwin Sleesongsom, Sumit Kumar and Sujin Bureerat
Symmetry 2023, 15(2), 305; https://doi.org/10.3390/sym15020305 - 21 Jan 2023
Cited by 2 | Viewed by 1758
Abstract
Reliability-based partial topology optimization (RBPTO) is a new approach for aircraft structural design; however, it brings computational complexity and makes aeroelasticity analysis quite challenging. Therefore, the present study proposed the multi-objective reliability-based partial topology optimization of a composite aircraft wing using a fuzzy-based [...] Read more.
Reliability-based partial topology optimization (RBPTO) is a new approach for aircraft structural design; however, it brings computational complexity and makes aeroelasticity analysis quite challenging. Therefore, the present study proposed the multi-objective reliability-based partial topology optimization of a composite aircraft wing using a fuzzy-based metaheuristic (MRBPTOFBMH) approach. The objective is to obtain an optimal layout including partial topology and sizing of the aircraft wing structure. Here, an optimal aeroelastic structure is designed by taking into account the uncertain nature of material properties and the permitted transverse displacement. To increase computational efficiency in the design process, a non-probabilistic approach called a possibilistic safety index-based design optimization (PSIBDO) with fuzzy uncertainties is proposed to quantify the uncertainties due to aeroelastic and structural constraints. Various optimum partial topological shapes and sizing of aircraft wing structures with various PSI values in the range of [0.001, 1.0] have been obtained in a single optimization run. These outcomes, including deterministic and reliable optimal aircraft wing structures, demonstrate the high effectiveness of the proposed MRBPTOFBMH technique to alleviate the complexity of unconventional aircraft wing structure design. The findings also reveal the ease in cooperation of the suggested technique with a high-performance multi-objective evolutionary algorithm (MOEA) and its application in real-world multi-objective design optimization (MODO) problems with the least computational requirements against the traditional method’s multiple runs. Furthermore, the proposed methodology can generate potential aircraft wing structures in a range of m = [89.38–127.84] kg, and flutter speed = [285.61–632.78] m/s, that adhere to all the constraints requirements. Full article
(This article belongs to the Special Issue Symmetry in Multi-Field Coupling and Structural Mechanics)
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