Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings

Abstract This paper proposes a gradient conformal design technique to modify the multi-directional stiffness characteristics of 3D printed chiral metamaterials, using various airfoil shapes. The method ensures the integrity of chiral cell nodal circles while improving load transmission efficiency an...

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Main Authors: Qian Zheng, Weijun Zhu, Quan Zhi, Henglun Sun, Dongsheng Li, Xilun Ding
Format: Article
Language:English
Published: SpringerOpen 2024-11-01
Series:Chinese Journal of Mechanical Engineering
Subjects:
Online Access:https://doi.org/10.1186/s10033-024-01132-3
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author Qian Zheng
Weijun Zhu
Quan Zhi
Henglun Sun
Dongsheng Li
Xilun Ding
author_facet Qian Zheng
Weijun Zhu
Quan Zhi
Henglun Sun
Dongsheng Li
Xilun Ding
author_sort Qian Zheng
collection DOAJ
description Abstract This paper proposes a gradient conformal design technique to modify the multi-directional stiffness characteristics of 3D printed chiral metamaterials, using various airfoil shapes. The method ensures the integrity of chiral cell nodal circles while improving load transmission efficiency and enhancing manufacturing precision for 3D printing applications. A parametric design framework, integrating finite element analysis and optimization modules, is developed to enhance the wing’s multidirectional stiffness. The optimization process demonstrates that the distribution of chiral structural ligaments and nodal circles significantly affects wing deformation. The stiffness gradient optimization results reveal a variation of over 78% in tail stiffness performance between the best and worst parameter combinations. Experimental outcomes suggest that this strategy can develop metamaterials with enhanced deformability, offering a promising approach for designing morphing wings.
format Article
id doaj-art-c791ad41fa6e49be92b559c4a988f99a
institution Kabale University
issn 2192-8258
language English
publishDate 2024-11-01
publisher SpringerOpen
record_format Article
series Chinese Journal of Mechanical Engineering
spelling doaj-art-c791ad41fa6e49be92b559c4a988f99a2024-12-01T12:13:06ZengSpringerOpenChinese Journal of Mechanical Engineering2192-82582024-11-0137111910.1186/s10033-024-01132-3Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing WingsQian Zheng0Weijun Zhu1Quan Zhi2Henglun Sun3Dongsheng Li4Xilun Ding5School of Mechanical Engineering and Automation, Beihang UniversitySchool of Mechanical Engineering and Automation, Beihang UniversitySchool of Mechanical Engineering and Automation, Beihang UniversitySchool of Mechanical Engineering and Automation, Beihang UniversitySchool of Mechanical Engineering and Automation, Beihang UniversitySchool of Mechanical Engineering and Automation, Beihang UniversityAbstract This paper proposes a gradient conformal design technique to modify the multi-directional stiffness characteristics of 3D printed chiral metamaterials, using various airfoil shapes. The method ensures the integrity of chiral cell nodal circles while improving load transmission efficiency and enhancing manufacturing precision for 3D printing applications. A parametric design framework, integrating finite element analysis and optimization modules, is developed to enhance the wing’s multidirectional stiffness. The optimization process demonstrates that the distribution of chiral structural ligaments and nodal circles significantly affects wing deformation. The stiffness gradient optimization results reveal a variation of over 78% in tail stiffness performance between the best and worst parameter combinations. Experimental outcomes suggest that this strategy can develop metamaterials with enhanced deformability, offering a promising approach for designing morphing wings.https://doi.org/10.1186/s10033-024-01132-3Morphing wingsChiral metamaterialsGradient conformal designGenetic algorithm optimization3D printing
spellingShingle Qian Zheng
Weijun Zhu
Quan Zhi
Henglun Sun
Dongsheng Li
Xilun Ding
Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings
Chinese Journal of Mechanical Engineering
Morphing wings
Chiral metamaterials
Gradient conformal design
Genetic algorithm optimization
3D printing
title Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings
title_full Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings
title_fullStr Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings
title_full_unstemmed Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings
title_short Genetic Algorithm Optimization Design of Gradient Conformal Chiral Metamaterials and 3D Printing Verification for Morphing Wings
title_sort genetic algorithm optimization design of gradient conformal chiral metamaterials and 3d printing verification for morphing wings
topic Morphing wings
Chiral metamaterials
Gradient conformal design
Genetic algorithm optimization
3D printing
url https://doi.org/10.1186/s10033-024-01132-3
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AT henglunsun geneticalgorithmoptimizationdesignofgradientconformalchiralmetamaterialsand3dprintingverificationformorphingwings
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