Waves on a Stuart vortex

Critical Layer Analysis of Stuart Vortices in a Plane Jet

“…The stability of Stuart vortices has been studied both numerically and analytically [25][26][27][28]. By contrast, the BBD vortices, which marked the genesis of nonlinear critical layer theory, were found using matched asymptotic expansions, posing an outer solution away from the critical layer and matching it to an inner solution close to the critical layer.…”