Abstract: | Gaussian beams of surface waves are constructed by means of the Kravtsov ansatz. The Gaussian beams are summed which enables us to describe analytically the wave field of a surface Love wave in the vicinity of an arbitrary singularity. Bibliography: 13 titles. Translated fromZapiski Nauchnykh Seminarov POMI, Vol. 186, pp. 6–13, 1990. Translated by V. D. Azhotkin. |