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Structural Optimization of Fiber-Reinforced Material Based on Moving Morphable Components (MMCs)

Structural Optimization of Fiber-Reinforced Material Based on Moving Morphable Components (MMCs) Fiber-reinforced composite materials have excellent specific stiffness, specific strength, and other properties, and have been increasingly widely used in the field of advanced structures. However, the design space dimensions of fiber-reinforced composite materials will expand explosively, bringing challenges to the efficient analysis and optimal design of structures. In this paper, the authors propose an explicit topology optimization method based on the moving morphable components for designing the fiber-reinforced material. We constrain the intersection area between components to guarantee the independence of each component and avoid the situation that one component is cut by other components. Adding the fiber orientation angle as a design variable, the method can optimize the structural layout and the fiber orientation angle concurrently under the given number of fiber layers and layer thickness. We use two classical examples to verify the feasibility and accuracy of the proposed method. The optimized results are in good agreement with the designs obtained by the 99-line code. The authors also popularize the proposed method to engineering structure. The results manifest that the proposed method has great value in engineering application. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Mechanica Solida Sinica Springer Journals

Structural Optimization of Fiber-Reinforced Material Based on Moving Morphable Components (MMCs)

Sun, Zhi; Song, Ziwen; Song, Junfu; Li, Haiyan
Acta Mechanica Solida Sinica , Volume OnlineFirst – Jan 18, 2022
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15 pages

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Publisher
Springer Journals
Copyright
Copyright © The Chinese Society of Theoretical and Applied Mechanics 2022
ISSN
0894-9166
eISSN
1860-2134
DOI
10.1007/s10338-021-00305-0
Publisher site
See Article on Publisher Site

Abstract

Fiber-reinforced composite materials have excellent specific stiffness, specific strength, and other properties, and have been increasingly widely used in the field of advanced structures. However, the design space dimensions of fiber-reinforced composite materials will expand explosively, bringing challenges to the efficient analysis and optimal design of structures. In this paper, the authors propose an explicit topology optimization method based on the moving morphable components for designing the fiber-reinforced material. We constrain the intersection area between components to guarantee the independence of each component and avoid the situation that one component is cut by other components. Adding the fiber orientation angle as a design variable, the method can optimize the structural layout and the fiber orientation angle concurrently under the given number of fiber layers and layer thickness. We use two classical examples to verify the feasibility and accuracy of the proposed method. The optimized results are in good agreement with the designs obtained by the 99-line code. The authors also popularize the proposed method to engineering structure. The results manifest that the proposed method has great value in engineering application.

Journal

Acta Mechanica Solida Sinica – Springer Journals

Published: Jan 18, 2022

Keywords: Fiber-reinforced composite materials; Moving morphable components (MMCs); Topology optimization; Fiber orientation angle

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