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Buckling of a flexible shaft under torque loads transmitted by Cardan joints

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Summary

The century-old Greenhill problem of buckling of a flexible shaft, supported at its ends and loaded by external torques, is reconsidered in the case where the loads are transmitted by Cardan joints. It is found that the critical torque is roughly half the Greenhill value and that it depends discontinuously on the relative position of the Cardan joints in the undeformed and unloaded shaft.

Übersicht

Das ein Jahrhundert alte Greenhillsche Problem, der Knickung einer auf Drillung beanspruchten Welle wird erneut betrachtet für den Fall, daß das Torsionsmoment von Kardangelenken an den Enden übertragen wird. Das kritische Drillungsmoment ist ganz grob die Hälfte des Greenhillschen Werts und es hängt diskontinuierlich ab von der relativen Lage der Kardangelenke in der unbelasteten Welle.

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References

  1. Bolotin, V. V.: Nonconservative problems of the theory of elastic stability. Oxford, London, New York, Paris 1963

  2. Ziegler, H.: Principles of structural stability. Waltham (Mass.), Toronto, London 1968

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Dedicated to Professor Dr. Hans Ziegler on the occasion of his 70-th birthday

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Koiter, W.T. Buckling of a flexible shaft under torque loads transmitted by Cardan joints. Ing. arch 49, 369–373 (1980). https://doi.org/10.1007/BF02426915

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  • DOI: https://doi.org/10.1007/BF02426915

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