复合材料开孔蜂窝等效模量预测方法研究

doi:10.19936/j.cnki.2096-8000.20251228.006

复合材料科学与工程 ›› 2025, Vol. 0 ›› Issue (12): 42-49.DOI: 10.19936/j.cnki.2096-8000.20251228.006

复合材料开孔蜂窝等效模量预测方法研究

焦轶涵¹, 冯碧晴², 李皓鹏¹, 宁晓周¹, 孙东华¹

1.北京空间机电研究所,北京 100094;
2.哈尔滨工程大学航天与建筑工程学院,哈尔滨 150001

收稿日期:2024-09-11 出版日期:2026-02-06 发布日期:2026-02-06
作者简介:焦轶涵(1999—),男,硕士,助理工程师,研究方向为轻质复合材料结构设计与分析,jiao19990523@163.com。
基金资助:
企业自主研发项目(ZZYF2024-QTFW);企业工艺能力提升研究项目(GYTS2403)

Study on prediction method of equivalent modulus of composite honeycomb with open cells

JIAO Yihan¹, FENG Biqing², LI Haopeng¹, NING Xiaozhou¹, SUN Donghua¹

1. Beijing Institute of Space Mechanics and Electricity, Beijing 100094, China;
2. College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China

Received:2024-09-11 Online:2026-02-06 Published:2026-02-06

摘要/Abstract

摘要： 为防止航天器憋气,在应用复合材料蜂窝时,需要对蜂窝壁进行开孔处理,因此在仿真计算中需考虑开孔对蜂窝模量的影响,需建立复合材料开孔蜂窝等效模量的理论预报方法。本文依据各向异性开孔板在面内拉压载荷作用下的应力分布公式,建立了复合材料开孔蜂窝等效平压模量的理论预报公式。采用半解析法,建立了复合材料开孔蜂窝面外剪切模量的理论预报公式。同时,建立了开孔板等效抗弯刚度的近似计算方法,以及复合材料开孔蜂窝等效面内模量的理论预报公式。为验证理论模型的有效性,进行了相应的有限元分析。结果表明,不同孔径下的模量理论预报结果与数值模拟计算结果具有很好的一致性,理论模型的可靠性得到验证。本文以典型遥感器主承力板为应用对象,分别建立了精细化模型与三维实体等效模型,并进行了模态分析。结果表明,两种建模方法计算得到的频率与振型接近,基频误差最大为4.4%。本文研究成果可为工程中复合材料开孔蜂窝等效建模提供参考。

关键词: 开孔蜂窝, 模量, 理论预报, 数值模拟, 模态分析, 复合材料

Abstract: In order to prevent air entrapment in the spacecraft, the honeycomb wall of composite honeycombs needs to be perforated when used. Therefore, the influence of the perforation on the equivalent modulus of the honeycomb needs to be considered in the simulation calculation, and a theoretical prediction method for the equivalent modulus of the composite honeycomb with perforations needs to be established. In this paper, the theoretical prediction formula for the equivalent flat compression modulus of the composite honeycomb with perforations is established based on the stress distribution formula of the anisotropic perforated plate under in-plane tensile and compressive loads. The theoretical prediction formula for the out-of-plane shear modulus of the composite honeycomb with perforations is established by the semi-analytical method. An approximate calculation method for the equivalent bending stiffness of the perforated plate is given and a theoretical prediction formula for the equivalent in-plane modulus of the composite honeycomb with perforations is established. In order to verify the validity of the theoretical model, the corresponding finite element analysis was carried out. The results show that the theoretical prediction results of the modulus under different apertures are in good agreement with the numerical simulation calculation results. The reliability of the theoretical model is verified. This paper takes the main bearing plate of a typical remote sensor as the application object, establishes a refined model and a three-dimensional solid equivalent model, and conducts modal analysis. The results show that the frequencies and vibration modes calculated by the two modeling methods are close, the maximum error is up to 4.4%. The research results of this article can provide reference for equivalent modeling of honeycomb with open cells in composite materials in engineering.

Key words: open-cells honeycomb, modulus, theoretical prediction, numerical simulation, modal analysis, composites

中图分类号:

TB332

焦轶涵, 冯碧晴, 李皓鹏, 宁晓周, 孙东华. 复合材料开孔蜂窝等效模量预测方法研究[J]. 复合材料科学与工程, 2025, 0(12): 42-49.

JIAO Yihan, FENG Biqing, LI Haopeng, NING Xiaozhou, SUN Donghua. Study on prediction method of equivalent modulus of composite honeycomb with open cells[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(12): 42-49.

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复合材料开孔蜂窝等效模量预测方法研究

Study on prediction method of equivalent modulus of composite honeycomb with open cells

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