The demand for more powerful and efficient aeroengines results in the need to design improved main driveshafts. The design requirement may be to increase the torque capacity of the shafts, to reduce the outer diameter or to reduce the weight. Meeting these requirements tends to increase the likelihood of the shaft buckling and research was carried out to investigate the factors influencing the torsional buckling of shaft sections in order to provide an improved analysis method applicable to typical gas turbine aeroengine shafts. This paper uses finite element analysis to examine the effect of bore concentricity on the elastic-plastic buckling of shafts subjected to pure torsional loading. Equations were developed to predict the buckling torque for a range of shaft geometries and levels of bore eccentricity.
Finite element torsional buckling analysis of shafts with non-concentric bores
2001-05-01
11 pages
Article (Journal)
Electronic Resource
English
Finite element torsional buckling analysis of shafts with non-concentric bores
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