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physics.ao-ph2009
Non-stationary parabolic equations for the quasi-monochromatic sound propagation in media with a non-stationary background flow
M. Yu. Trofimov
The narrow and wide-angle parabolic equations for the quasi-monochromatic sound wave packets propagating in a waveguide with a non-stationary background flow are obtained. The resu…
physics.ao-ph2009
An adiabatic mode time-dependent parabolic equation
M. Yu. Trofimov
An adiabatic mode time-dependent parabolic equation for the 3D problems of underwater acoustic propagation problem is derived by the multiple-scale method. The Cauchy problem for t…