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physics.flu-dyn2024
A sufficient condition for inviscid shear instability: Hurdle theorem and its application to alternating jets
Kengo Deguchi, Makoto Hirota, Timothy Dowling
We propose a simple method to identify unstable parameter regions in general inviscid unidirectional shear flow stability problems. The theory is applicable to a wide range of basi…
physics.flu-dyn2014★ 10 cited
Variational Necessary and Sufficient Stability Conditions for Inviscid Shear Flow
Makoto Hirota, Philip J. Morrison, Yuji Hattori
A necessary and sufficient condition for linear stability of inviscid parallel shear flow is formulated by developing a novel variational principle, where the velocity profile is a…