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Giare GS, Shabahang R, The reduction of stress concentration around the hole in an isotropic plate using composite materials, Engineering Fracture Mechanics,32(5). 757-766. 1989.

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Article

Analysis of Stress Mitigation through Defence Hole System in GFRP Composite Bolted Joint

1Technical Engineering College-Baghdad, Middle Technical University, Baghdad, Iraq

2School of Mechanical Engineering, Universiti Sains Malaysia, Malaysia


American Journal of Mechanical Engineering. 2015, Vol. 3 No. 4, 126-134
DOI: 10.12691/ajme-3-4-4
Copyright © 2015 Science and Education Publishing

Cite this paper:
Khudhayer J. Jadee, A.R. Othman. Analysis of Stress Mitigation through Defence Hole System in GFRP Composite Bolted Joint. American Journal of Mechanical Engineering. 2015; 3(4):126-134. doi: 10.12691/ajme-3-4-4.

Correspondence to: Khudhayer  J. Jadee, Technical Engineering College-Baghdad, Middle Technical University, Baghdad, Iraq. Email: khudhayer1970@yahoo.com

Abstract

The effect of the defence hole system (DHS) on the stress distribution around the bolt-hole in glass fibre reinforced polymer (GFRP) composite bolted joint has been investigated using a finite element method. The analyses have been carried out on a double-lap composite bolted joint with various geometric parameters for two cases of without and with DHS. The analyses have taken into account a 3D stress plane condition, in which the circumferential and radial stresses at the bearing region, shear-out and net tension regions of the bolt-hole have been determined. Results showed that adding auxiliary hole near the bolt-hole has contributed in reducing the stresses in the vicinity of the bolt-hole.

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