基于接触理论的壁板连接结构振动分析有限元模拟方法

张玉杰; 李斌; 孙仁俊

doi:10.7643/issn.1672-9242.2026.09.008

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装备环境工程 ›› 2026, Vol. 23 ›› Issue (9) : 74-81. DOI: 10.7643/issn.1672-9242.2026.09.008

专刊——航空装备结构动力学

基于接触理论的壁板连接结构振动分析有限元模拟方法

张玉杰^1,2, 李斌^2,3, 孙仁俊^1,2,3

作者信息 +

Finite Element Simulation Method for Vibration Analysis of Skin Panel Connection Structures Based on Contact Theory

ZHANG Yujie^1,2, LI Bin^2,3, SUN Renjun^1,2,3

Author information +

文章历史 +

摘要

目的研究利用有限元方法和元素模拟铆接或螺接等连接结构对壁板振动特性仿真结果精度的影响。方法采用Greenwood-Williamson表面接触模型建立壁板结合部位在铆钉或螺栓作用下实际接触面积的计算公式,提出一种将实际接触面积内所有元素节点进行多点约束刚性连接、将铆钉或螺钉等连接元件进行梁元模拟的建模方法。结果以典型加筋壁板为研究对象,利用Hypermesh和Patran有限元软件建立了壁板结构及连接元件的振动分析有限元模型,完成了振动模态分析及测试试验。对比分析了壁板前三阶固有频率实测结果与仿真结果,两者相对误差的最大值小于2%,表明了所提方法的有效性。结论该方法可为其他铆接或螺接形式下飞机结构的振动分析有限元建模提供借鉴和参考。

Abstract

The work aims to study how to utilize finite element methods and element simulations to model the effects of bolted or riveted connection structures on the accuracy of vibration characteristic simulation results for the skin panels. The Greenwood-Williamson contact model was employed to derive a formula for calculating the actual contact area at the joint interfaces under the effect of connecting elements (rivets or bolts). A modeling method was proposed, involving multi-point constrained rigid connections for element nodes within the actual contact area and beam-element simulations for rivets or bolts. With a typical stiffened skin panel as the research object, the finite element model of the skin panel structure and connecting elements was established by the finite element software Hypermesh and Patran and its vibration mode was analyzed and experiments were conducted. A comparison was performed between the experimental results and simulation results for the first three natural frequencies of the skin panel. The maximum relative error between the two sets of results was less than 2%, which showed the effectiveness of the proposed finite element simulation method. This method can provide valuable references for finite element modeling in vibration analysis of aircraft structures with other bolted or riveted connection forms.

导出引用

张玉杰, 李斌, 孙仁俊. 基于接触理论的壁板连接结构振动分析有限元模拟方法[J]. 装备环境工程. 2026, 23(9): 74-81 https://doi.org/10.7643/issn.1672-9242.2026.09.008

ZHANG Yujie, LI Bin, SUN Renjun. Finite Element Simulation Method for Vibration Analysis of Skin Panel Connection Structures Based on Contact Theory[J]. Equipment Environmental Engineering. 2026, 23(9): 74-81 https://doi.org/10.7643/issn.1672-9242.2026.09.008

中图分类号： V214.4+2

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