Stress Analysis of Lug Attachment Bracket to Fuselage
Journal: Excel International Journal of Technology, Engineering and Management (Vol.1, No. 1)Publication Date: 2014-03-31
Authors : A. Karthikeyan; S. Parthibhan; S. Prem Kumar; P. Raj Kumar;
Page : 148-151
Keywords : Transport Aircraft; Lift Load; Bending Moment; Wing-Fuselage Attachment; Stress Concentration; Stress Ratio;
Abstract
Civil transport aircraft is used for carrying passengers from one place to another. Aircraft is a highly complex flying structure. Generally transport aircraft undergoes nominal maneuring flights. During the flight when the maximum lift is generated, the wings of the aircraft will undergo highest bending moment. The bending moment will be maximum at the root of the wing which caused highest stress at this location. Wings are attached to the fuselage structure through wing-fuselage attachment brackets. The bending moment and shear loads from the wing are transferred to the fuselage through the attachment joints. In this project bending load transfer joint is considered for the analysis. First one needs to ensure the static load carrying capability of the wing-fuselage attachment bracket. Stress analysis will be carried out for the given geometry of the wing-fuselage attachment bracket. Finite element method is used for the stress analysis. Rarely an aircraft will fail due to a static overload during its service life. For the continued airworthiness of an aircraft during its entire economic service life, fatigue and damage tolerance design, analysis, testing and service experience correlation play a pivotal role
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Last modified: 2015-01-12 21:19:19