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The propagation and arrest of an edge crack in anti-plane shear

โœ Scribed by Timothy C. O'Sullivan

Publisher
Springer Netherlands
Year
1986
Tongue
English
Weight
645 KB
Volume
16
Category
Article
ISSN
0374-3535

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โœฆ Synopsis

The motion of an edge crack extending non-uniformly in an elastic half-space under conditions of anti-plane shear is investigated, taking the first reflected stress wave into account. An expression for the stress intensity factor at the crack tip is obtained, and an energy-balance crack propagation criterion is used to find the equation of motion of the tip. On solving this equation numerically, it is found that crack arrest occurs before the second reflected wave reaches the tip.

๐Ÿ“œ SIMILAR VOLUMES

An observation of crack propagation in a
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โœ W. G. Knauss ๐Ÿ“‚ Article ๐Ÿ“… 1970 ๐Ÿ› Springer Netherlands ๐ŸŒ English โš– 305 KB

It is shown experimentally that in the absence of plasticity crack propagation in anti-plane shear occurs by the opening of semi-penny-shaped cracks which straddle the crack front at an angle of 45 degrees. It follows that if crack instability calculations are based on the assumption that a planar c

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Analytic solutions have been obtained for the stress intensity factor for a propagating and arresting anti-plane strain edge crack in a semi-infinite plate. Kostrov's analysis for this system has been used, and solutions have been obtained up to the time it takes for a stress wave emitted from the c

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โœ Y.H. Wang; Y.K. Cheung; C.W. Woo ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 425 KB

The problem of an edge crack in a finite orthotropic plate under anti-plane shear is considered. The boundary collocation method is used to calculate the mode III stress intensity factor (SF). For the case in which the material is isotropic, the present results agree very well with those obtained by