Stretching response of Rortex and other vortex-identification schemes
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DOI: 10.1063/1.5127178
Abstract: By considering a uniaxial stretching coupled with an inevitable uniform radial contraction for incompressible flow, a straightforward comparison of the stretching response for several popular vortex-identification criteria and the recently proposed vortex vector (Rortex) is… read more here.
Keywords: stretching response; vortex; rortex; vortex identification ... See more keywords