Propagation of sine waves in a two-layer density-stratified fluid
... associated with the refinement of the boundary conditions. The dispersion relation for long waves is found. The frequency value for sinusoidal waves in a stratified fluid is obtained.
Zaitsev A. A., Rudenko A. I., Alekseeva S. M.
two-layer liquid, sine wave, dispersion relation, phase velocity, Boussinesq approximation