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Saint-Venant's principle and the anti-plane elastic wedge

Record type: Article

The stress field due to self-equilibrating loading on the inner or outer radius of a wedge sector, consistent with anti-plane deformation, will be affected by two agencies: a geometric effect of increasing or decreasing area and decay as anticipated by Saint-Venant's principle. When the load is applied to the inner radius the two effects are acting in concert; however, when the load is applied to the outer radius the two effects act in opposition. For a wedge angle in excess of the half-space the geometric effect is dominant over Saint-Venant decay and the stress increases the greater the distance from the loaded outer radius, indicating a breakdown in Saint-Venant's principle. For the wedge angle 2? = 360°, the unique inverse square root stress singularity at the crack tip, which is at the heart of linear elastic fracture mechanics, can be attributed to this breakdown of Saint-Venant's principle for just one eigenmode.

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Citation

Stephen, N.G. and Wang, P.J. (1996) Saint-Venant's principle and the anti-plane elastic wedge The Journal of Strain Analysis for Engineering Design, 31, (3), pp. 231-234.

More information

Published date: 1996

Identifiers

Local EPrints ID: 21090
URI: http://eprints.soton.ac.uk/id/eprint/21090
ISSN: 0309-3247
PURE UUID: 919883c9-39d9-49e9-b229-336c829e48fb

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Date deposited: 31 Oct 2006
Last modified: 17 Jul 2017 16:27

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Contributors

Author: N.G. Stephen
Author: P.J. Wang

University divisions


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