Strain analysis of a pretwisted elastic cylinder with an arbitrary cross-section

Reference:

Banerjee, J. R., Su, H., Sobey, A. J. and Fitch, J., 2005. Strain analysis of a pretwisted elastic cylinder with an arbitrary cross-section. Journal of Strain Analysis for Engineering Design, 40 (4), pp. 367-374.

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Abstract

Based on well-understood engineering models of an untwisted cylindrical structure, a Suitable displacement field for a twisted cylinder is established. This allows for longitudinal, bending, and torsional deformations together with warping to occur and, in particular, local twisting to take place about a variable direction. The procedure requires a geometric framework that varies along the length, which is modelled using a vectorial approach. Direct and shear strains are derived for the continuous system.

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