Ali H. Nayfeh, Dean T. Mook
Abstract
A nonlinear second-order analysis shows that all small disturbances of the interface between a semi-infinite, inviscid liquid and a uniform supersonic gas stream are unstable, as according to linear theory. Moreover, the growth rates increase with the amplitude of the disturbance.
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A nonlinear second-order analysis shows that all small disturbances of the interface between a semi-infinite, inviscid liquid and a uniform supersonic gas stream are unstable, as according to linear theory. Moreover, the growth rates increase with the amplitude of the disturbance.
Key concepts: Inviscid flow, Supersonic speed, Nonlinear system, Amplitude, Stability (learning theory), Mechanics, Disturbance (geology), Choked flow