J Austral Math Soc Ser B 35 pp323--334, 1994.

Second harmonic resonance in magnetohydrodynamic jet

H. K. Kholsa and R. K. Chhabra

Abstract

Coupled nonlinear partial differential equations, which describe a nonlinear resonant interaction between the fundamental and its first harmonic on a magnetohydrodynamic jet, are derived by the derivative expansion method. We investigate the spatial behaviour of the amplitude and phases. It is shown that the fluid surface is unstable in the neighbourhood of the first resonant wavenumber. In the steady state, it is observed that the general motion consists of both amplitude and phase modulated waves.

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Authors

H. K. Kholsa

Center for Computer Science and Applications, Panjab University, Chandigarh - 160014, India.

R. K. Chhabra

Dept of Chemical Engineering and Technology, Panjab University, Chandigarh - 160014, India.