1967
DOI: 10.1017/s0305004100041116
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Diffraction of a plane longitudinal wave by a penny-shaped crack

Abstract: Introduction. The distribution of stress produced in the interior of an infinite elastic solid when a constant pressure is applied over the entire surface of a penny-shaped crack has been solved by Sneddon(6), (7). The problem considered here is the closely allied one of a plane longitudinal wave, harmonic in time, moving in the positive direction of the z-axis and impinging on the surface of a penny-shaped crack. The analysis follows the methods adopted for dealing with an axisymmetrical vibrating punch actin… Show more

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Cited by 47 publications
(24 citation statements)
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“…From this it follows that the crack faces would never make contact during vibration if we superpose on our solution the solution due to a static constant pressure pU) applied on the crack,, because this pressure gives rise to the following displacement at the crack faces [10]:…”
Section: Introductionmentioning
confidence: 99%
“…From this it follows that the crack faces would never make contact during vibration if we superpose on our solution the solution due to a static constant pressure pU) applied on the crack,, because this pressure gives rise to the following displacement at the crack faces [10]:…”
Section: Introductionmentioning
confidence: 99%
“…In recent years a number of such problems have been studied. Robertson [2], Mal [3,4,5,6,7], Sih and Leober [8] have studied the diffraction of longitudinal and torsional waves which are normally incident on the crack surface. All these attempts have been based on the assumption that the crack is sufficiently far away from the neighbouring boundaries, and hence the distribution of stresses in the solid is attributed to crack geometry or to the wave frequency of the elastic waves.…”
Section: Introductionmentioning
confidence: 99%
“…(4) can be simplified by using the techniques of contour integration [1,5,6]. The results after integration are written in the following form:…”
Section: Formal Solutionmentioning
confidence: 99%
“…
The problem of the diffraction of a plane longitudinal wave by a penny-shaped crack has been solved using the techniques of Hankel transforms [1]. The interaction of elastic waves with a Griffith crack has been investigated for a range of values of the wave frequency [2].
…”
mentioning
confidence: 99%