穿孔纤维增强阻尼复合材料梁的振动分析

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摘要为了研究嵌入式共固化穿孔纤维增强阻尼复合材料梁在简支边界条件下的动力学性能，依据一阶剪切变形理论（FSDT）、Hamilton原理和Navier 解形式，建立并求解了共固化穿孔阻尼复合材料梁的自由振动理论模型。制作穿孔阻尼复合材料梁试件并搭建试验平台，运用ANSYS数值模拟和MATLAB理论仿真分析方法验证了文中理论模型和方法的有效性，并用验证的理论模型和方法分别研究了设计参数对嵌入式共固化穿孔纤维增强阻尼复合材料梁动力学性能的影响规律。文中的模型和方法对嵌入式共固化非连续阻尼复合材料结构的研究提供理论依据，为结构的设计与制造提供了参考。

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	孙瑞骏
	梁森
	刘昭阳
	罗皓
	胡子健

关键词 ：穿孔纤维增强阻尼, 简支边界, 自由振动, 模态试验, 数值模拟, 动力学性能

Abstract：Here, to study the dynamic behavior of embedded co-cured perforated fiber reinforced damping composite beams under simply supported boundary conditions, a theoretical model of free vibration of co-cured perforated damping composite beam was established and solved on the basis of first-order shear deformation theory (FSDT), Hamilton principle and the Navier solution method. Make perforation damping composite beam specimen and build test platform, using ANSYS numerical simulation and MATLAB theoretical simulation analysis method to verify the effectiveness of the theoretical model and method, and the effects of design parameters on the dynamic performance of embedded co-cured perforated fiber reinforced damping composite beam was studied by using the verified theoretical model and method. The model and method in this paper provide a theoretical basis for the study of embedded co-cured discontinuous damping composite structures and a reference for the design and manufacture of structures.

Key words： perforated fiber reinforced damping simply supported boundary free vibration modal tests numerical simulation performance of dynamics

收稿日期: 2022-11-17 出版日期: 2023-11-28

引用本文:

孙瑞骏，梁森，刘昭阳，罗皓，胡子健. 穿孔纤维增强阻尼复合材料梁的振动分析[J]. 振动与冲击, 2023, 42(22): 103-111.
SUN Ruijun，LIANG Sen，LIU Zhaoyang，LUO Hao，HU Zijian. Vibration analysis of perforated fiber reinforced damping composite beams. JOURNAL OF VIBRATION AND SHOCK, 2023, 42(22): 103-111.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2023/V42/I22/103

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