Applied Mathematics and Mechanics (English Edition) ›› 2025, Vol. 46 ›› Issue (1): 123-138.doi: https://doi.org/10.1007/s10483-025-3205-8

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  • 收稿日期:2024-08-07 修回日期:2024-11-15 出版日期:2025-01-03 发布日期:2025-01-06

Dynamic modeling of a three-dimensional braided compositethin plate considering braiding directions

Chentong GAO1,2, Huiyu SUN1,(), Jianping GU3, W. M. HUANG2   

  1. 1.College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
    2.School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
    3.Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211100, China
  • Received:2024-08-07 Revised:2024-11-15 Online:2025-01-03 Published:2025-01-06
  • Contact: Huiyu SUN E-mail:hysun@nuaa.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 12372071 and 12372070), the Aeronautical Science Fund of China (No. 2022Z055052001), and the Foundation of China Scholarship Council (No. 202306830079)

Abstract:

Currently, there are a limited number of dynamic models available for braided composite plates with large overall motions, despite the incorporation of three-dimensional (3D) braided composites into rotating blade components. In this paper, a dynamic model of 3D 4-directional braided composite thin plates considering braiding directions is established. Based on Kirchhoff's plate assumptions, the displacement variables of the plate are expressed. By incorporating the braiding directions into the constitutive equation of the braided composites, the dynamic model of the plate considering braiding directions is obtained. The effects of the speeds, braiding directions, and braided angles on the responses of the plate with fixed-axis rotation and translational motion, respectively, are investigated. This paper presents a dynamic theory for calculating the deformation of 3D braided composite structures undergoing both translational and rotational motions. It also provides a simulation method for investigating the dynamic behavior of non-isotropic material plates in various applications.

Key words: three-dimensional (3D) braided composite, braiding direction, composite thin plate, large overall motion, dynamic model

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