Far Fields of Internal Gravity Waves from a Nonstationary Source

Abstract

The problem of far fields of internal gravity waves from a nonstationary source moving in a stratified ocean of finite depth is considered. It is shown that the wave pattern of the generated far fields of internal waves for certain generation parameters is a system of hybrid wave perturbations that simultaneously have the properties of two wave types: annular (transverse) and wedge-shaped (longitudinal). The features of the phase structure and wave fronts of the generated fields are studied. Uniform asymptotics of the solutions describing far hybrid internal waves from a nonstationary source are constructed.