Spelling suggestions: "subject:"zabolotskaya""
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Nonlinear wave equations with diffusion, diffraction and dispersionSionoid, Peadar N. January 1994 (has links)
No description available.
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Evolution Equations for Weakly Nonlinear, Quasi-Planar Waves in Isotropic Dielectrics and ElastomersAndrews, Mary F. 18 September 1999 (has links)
The propagation of waves through nonlinear media is of interest here, namely as it pertains to two specific examples, a nonlinear dielectric and a hyperelastic solid. In both cases, we examine the propagation of two-dimensional, weakly nonlinear, quasi-planar waves. It is found that such systems will have a nonlinearity that is intrinsically cubic, and therefore, a classical Zabolotskaya-Khokhlov equation cannot give an accurate description of the wave evolution. To determine the general evolution equation in such systems, a multi-timing technique developed by Kluwick and Cox (1998) and Cramer and Webb (1998) will be employed. The resultant evolution equations are seen to involve only one new nonlinearity coefficient rather than the three coefficients found in other studies of cubically nonlinear systems. After determining the general evolution equation, inclusion of relaxation, dispersion and dissipation effects can be easily incorporated. / Master of Science
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