Geodesic
Transmission of narrow sound beams in nonlinear environment
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2016), pp. 45-51

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In the paper we consider the problem of the transmission of limited sound beams. The transmission of such beams is described by a nonlinear partial differential equation. In the paper we solve this equation by the lattice characteristics method. Some numerical results are obtained for a special case.
Keywords: sound waves, difference schemes. 
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S. M. Manukyan; A. A. Butavyan; H. M. Manukyan. Transmission of narrow sound beams in nonlinear environment. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2016), pp. 45-51. http://geodesic.mathdoc.fr/item/UZERU_2016_1_a7/