科技创新与应用2025，Vol.15Issue(11)：93-96,4.DOI:10.19981/j.CN23-1581/G3.2025.11.022
考虑紧固件配合间隙随机性影响传载分析
王乐 1朱小龙 1唐维 1闫伟1
作者信息
- 1. 中航成飞民用飞机有限责任公司,成都 610091
- 折叠
摘要
Abstract
Finite element method is used to simulate and analyze the single-nail and single-shear structure.Considering the influence of possible different offset positions of the fastener holes of the fastener and the connected piece under clearance fit,the P-δ(load-displacement)curve of the details of the single nail connection is obtained to describe the flexibility of the fastener.A fine finite element model of the connection structure between the windshield and the windshield frame of an passenger aircraft is established.Each fastener unit connected to the windshield in the model is randomly assigned the fastener P-δ data under the above-mentioned different fastener clearance fit conditions.Multiple groups of windshield connection finite element model analysis are completed and compared with the calculation results without considering holes and fastener offset.The results show that for clearance fit connections,the randomness of fastener holes and fastener offset positions has a great impact on the load transfer of complex connections.关键词
配合间隙/随机性/偏移位置度/紧固件柔度/有限元模型Key words
fit clearance/randomness/offset position/fastener flexibility/finite element model分类
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王乐,朱小龙,唐维,闫伟..考虑紧固件配合间隙随机性影响传载分析[J].科技创新与应用,2025,15(11):93-96,4.
