Abstract
A smooth caustic of space-time rays is considered; the tangency of the rays and the caustic has first order everywhere. In a neighborhood of the caustic an analytical expression for the wave field is obtained.
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Literature cited
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Additional information
Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova AN SSSR, Vol. 117, pp. 147–161, 1981.
The author thanks her scientific supervisor Professor V. M. Babich for valuable help with the work and useful suggestions in discussion of the problem.
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Kirpichnikova, N.Y. The space-time caustic of an elastic short-wave field. J Math Sci 24, 357–366 (1984). https://doi.org/10.1007/BF01086995
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DOI: https://doi.org/10.1007/BF01086995