The Evolution of a Nonlinear Critical Level
摘要:
The evolution of inviscid forced Rossby waves on a parallel flow in the presence of a critical layer is discussed. It is shown that the transient critical layer becomes nonlinear after sufficient time has elapsed and that the '- pi' logarithmic phase shift is modified accordingly. All harmonics are found to be important in the nonlinear range, even outside the critical layer.
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关键词:
Theoretical or Mathematical/ flow instability liquid waves/ nonlinear critical level inviscid forced Rossby waves/ A4720 Hydrodynamic stability and instability A4735 Waves in fluid dynamics
DOI:
10.1002/sapm197859137
被引量:
年份:
1978
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