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Some Notes on the Shear Centre of Thin-Walled Open Sections

Published online by Cambridge University Press:  28 July 2016

Extract

Advanced textbooks of strength of materials dealing with the shear centre give examples of the simplest sections only (e.g., Ref. 1, Art. 8). Numerous articles in the technical press are devoted to the subject, and the method to find the shear centre of any open section is now well established (Ref. 2). However, the number of readily usable solutions for sections common in practice, is small. Consideration in this paper is given to a more complicated section, fairly common in practice, and a formulae is derived for the location of its shear centre. The section is a lipped channel, symmetrical about one axis, and the paper is followed by a diagram that enables the shear centre position for various ratios of lip to leg and leg to web to be read off.

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 1943

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References

(1) Timoshenko, S., Strengths of Materials, Part II, Second Ed., 1941.Google Scholar
(2) Williams, D., Behaviour in Bending of Thin-walled Tubes and Channels. 1935, R. & M. 1669.Google Scholar
(3) Hoff, N. J., Stresses in Space Curved Rings Reinforcing the Edges of Cut-outs in Monocoque Fuselages. J. of R. Ae. S., February, 1943.Google Scholar
(4) Wagner, H., Einige Bemerkungen über Knickstäbe und Biegungsträger. Der Kennwert. Z.F.M., Vol. 19, 1928, pp. 241–;247.Google Scholar
Wagner, H., Remarks on Airplane Struts and Girders under Compressive and Bending Stresses—Index Values. N.A.C.A. T. Memorandum, No. 500, 1929.Google Scholar
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