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The reciprocal character of rayleigh-waves and cracks

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Summary

The Reciprocal Character of Rayleigh-Waves and Cracks

Utilizing dynamic photoelasticity a dual crack-elastic wave problem is investigated: Initiation of cracks by superimposing Rayleigh-waves and generation of Rayleigh-waves during instationary crack movement.

Zusammenfassung

Die Reziprozitätsbeziehung zwischen Rayleigh-Wellen und Rissen

Im Rahmen der dynamischen Spannungsoptik wird ein duales Wellen-Riß-Problem untersucht: die Erzeugung von Rissen durch überlagerte Rayleigh-Wellen und die Aussendung von Rayleigh-Wellen durch instationäre Rißausbreitung in festen Körpern.

Résumé

La relation entre les ondes Rayleigh et des fissures

Un problème dualiste “onde-fissure” a été étudié à l'aide de la photoélasticité dynamique: la création des fissures par superposition des ondes Rayleigh et émission des ondes Rayleigh à la suite d'extension instationnaire des fissures dans des solides.

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References

  1. Dally, J. W.: Classical and Advanced Methods of Photoelasticity, in Proc. of IUTAM-Symposium on “The Photoelastic Effect and its Applications”, (ed. by J. Kestens), Belgium, 1973. Wien, New York: Springer 1975.

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  2. Reinhart, H. W., Dally, J. W.: Some Characteristics of Rayleigh-wave Interaction with Surface Flaws. Mat. Evaluation,5 213–220 (1970).

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  3. Rossmanith, H. P.: The Role of Rayleigh-Waves in Rock Mechanics. Proc. 19th U. S. Rock Mechanics Conference, Stateline, Nevada, 1978, pp. 139–143.

  4. Dally, J. W., Fourney, W. L., Holloway, D. C.: Influence of the Containment of the Borehole Pressures on Explosive Induced Fracture. Int. J. Rock Mech. Min. Sci. and Geom. Abstr.12 pp. 5–12 (1975).

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  5. Rossmanith, H. P., Irwin, G. R.: Analysis of Dynamic Crack-Tip Stress Field Patterns. University of Maryland, Department of Mechanical Engineering Report, 1979.

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Authors and Affiliations

  1. Institute for Mechanics, Technical University Vienna, Karlsplatz 13, A-1040, Vienna, Austria

    H. P. Rossmanith

  2. Department of Mechanical Engineering, University of Maryland, 20742, College Park, MD, USA

    W. L. Fourney

Authors
  1. H. P. Rossmanith
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  2. W. L. Fourney
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Additional information

A review article on rock fracture mechanics and methods of dynamic photoelasticity applied to stress-wave-crack interaction in fracture control, excavating, oil shale fragmentation and gas well stimulation is in preparation.

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Rossmanith, H.P., Fourney, W.L. The reciprocal character of rayleigh-waves and cracks. Rock Mechanics 14, 37–42 (1981). https://doi.org/10.1007/BF01239776

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  • DOI: https://doi.org/10.1007/BF01239776

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