Rapid extension of a penny-shaped crack under torsion

Timothy C. Kennedy; Jan D. Achenbach

doi:10.1016/0020-7683(74)90056-0

Rapid extension of a penny-shaped crack under torsion

Timothy C. Kennedy^*, Jan D. Achenbach

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The rapid extension of a penny-shaped crack under torsion is investigated. Both dynamic and quasi-static loading is considered. The wave motion is analyzed through a Green's function technique which leads to an integral equation for the stress field around the crack. Asymptotic expansions for the stress intensity and displacement rate intensity functions which are valid for a small time are obtained for the two types of loading. The propagation of the crack is analyzed through the balance of rates of energy criterion.

Original language	English (US)
Pages (from-to)	519-530
Number of pages	12
Journal	International Journal of Solids and Structures
Volume	10
Issue number	5
DOIs	https://doi.org/10.1016/0020-7683(74)90056-0
State	Published - May 1974

ASJC Scopus subject areas

Modeling and Simulation
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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abstract = "The rapid extension of a penny-shaped crack under torsion is investigated. Both dynamic and quasi-static loading is considered. The wave motion is analyzed through a Green's function technique which leads to an integral equation for the stress field around the crack. Asymptotic expansions for the stress intensity and displacement rate intensity functions which are valid for a small time are obtained for the two types of loading. The propagation of the crack is analyzed through the balance of rates of energy criterion.",

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AB - The rapid extension of a penny-shaped crack under torsion is investigated. Both dynamic and quasi-static loading is considered. The wave motion is analyzed through a Green's function technique which leads to an integral equation for the stress field around the crack. Asymptotic expansions for the stress intensity and displacement rate intensity functions which are valid for a small time are obtained for the two types of loading. The propagation of the crack is analyzed through the balance of rates of energy criterion.

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Rapid extension of a penny-shaped crack under torsion

Abstract

ASJC Scopus subject areas

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