An analytical model for the prediction of load distribution in multi-bolt composite joints including hole-location errors

被引：36

作者：

Lecomte, J. ^{[1
,2
]}

Bois, C. ^{[1
]}

Wargnier, H. ^{[1
]}

Wahl, J. -C. ^{[1
]}

机构：

[1] Univ Bordeaux, Inst Mecan & Ingn Bordeaux, F-33175 Gradignan, France

[2] ASTF, F-33700 Merignac, France

来源：

COMPOSITE STRUCTURES | 2014年 / 117卷

关键词：

Bolted joints; Clearance; Location error; Load transfer; Bearing damage; MECHANICALLY FASTENED JOINTS; PROGRESSIVE DAMAGE; FINITE-ELEMENT; STRENGTH PREDICTION; FAILURE PREDICTION; BOLTED JOINTS;

D O I：

10.1016/j.compstruct.2014.06.040

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In the aircraft industry, the method for designing metal-composite joints is mainly based on conservative metallic calculation rules and on applying high safety factors. The reason is that the influence of errors due to manufacturing is not well-known, and few studies deal with this issue. Here, an analytical model is developed to evaluate load distribution in an aluminium-composite double-lap joint, in the presence of clearance and hole-location errors. The model also includes the nonlinear behaviour of the bolt implied by bearing degradation. The analytical model is validated by comparing results obtained by finite element analysis and experiments. Finally, an industrial use of the analytical model is presented. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：354 / 361

页数：8

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