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Influence of sailplane wing-bending flexibility on ‘1- Cosine’ gust loads
Published online by Cambridge University Press: 03 October 2016
Abstract
Simultaneous modelling of aerodynamics, structure and flight dynamics is used to predict the gust loads on a model of 18-metre wingspan sailplane that includes bending flexibility. The ASWING software is used to analyse the time history of the wing-bending moment and the shear force at the wing root for the design gust speed and for the design maximum speed at different wavelengths of a ‘1-Cosine’ gust. Maximum values from the time history were compared with certification requirements for rigid sailplanes. The analysis revealed that wing-bending flexibility reduces the loads.
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- Copyright © Royal Aeronautical Society 2016
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