Certificate of Registration Media number Эл #ФС77-53688 of 17 April 2013. ISSN 2308-6033. DOI 10.18698/2308-6033
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Global-local modeling of single-shear composite – metal and composite – composite bolt joints in aircraft structural components

Published: 11.05.2020

Authors: Eremin V.P., Bolshikh A.A.

Published in issue: #5(101)/2020

DOI: 10.18698/2308-6033-2020-5-1981

Category: Aviation and Rocket-Space Engineering | Chapter: Design, construction and production of aircraft

In performing design strength analysis of connection areas of composite — metal and composite — composite types of structural load-bearing wing and empennage elements of the aircraft implemented using mechanical fasteners, it is necessary to considerthe factors determining the local strength of these areas: the conditions of mechanical contact of the body, bolt head and cap with connected elements, the connected elements contact with each other and the effects of friction. These factors can be taken into account only by applying the global-local modeling approach for constructing 3D prediction models of composite — metal and composite — composite joint zones of aircraft caisson structural members. To solve this problem, a method is proposed defining the means and tools of modeling, algorithms for constructing a prediction model and performing calculations, as well as procedures for analyzing the results of calculations.

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