MULTIPLE-SITE DAMAGE IN AIRCRAFT FUSELAGE STRUCTURES

Residual Strength of Aging Aircraft with Multiple Site Damage/Multiple Element Damage

A numerical study is presented of the residual strength of an aircraft fuselage in the presence of multiple site damage (MSD)/muItiple element damage. The analyses were carried out using a software package that was developed to facilitate automated analyses of full-scale fuselage panels with widespread fatigue damage, using a hierarchical approach and elastic-plastic finite element alternating ...

Multi-site Damage of Aircraft Components

Bonded composite repair structures multiple site damage analysis

Purpose – The purpose of this work is to describe the effects of the length of cracks and the patch size on the stress intensity factors in a bonded composite repair structure containing multiple site damage. Design/methodology/approach – Finite element method was applied to simulate a bonded repair of a cracked aluminum plate with multiple site damage. A two-dimensional three-layer technique w...

Probabilistic Analysis of Multi-Site Damage in Aircraft Fuselages

Most aircraft fleets nowadays are operating under the concept of damage tolerance, which requires an aircraft to have sufficient residual strength in the presence of damage in one of its principal structural elements (PSE) during the interval of service inspections. The residual strength however is significantly reduced due to multi site damage (MSD). In the present paper, a probabilistic frame...

Simulation of Airflow Over High Lift Generating (HLG) Fuselage and Conventional Aircraft Fuselage

The objective of this study is to attempt a comparative evaluation of aerodynamic features of a conventional aircraft fuselage and those of a specially developed high lift generating (HLG) fuselage. This work is directed towards attainment of substantially higher lift coefficients, needed for future generations of transport aircraft with short take-off and landing capabilities (STOL). The conve...