Toward vortex identification based on local pressure-minimum criterion in compressible and variable density flows
… We propose a dynamical vortex definition (the ‘λρ definition’) for flows dominated by
density variation, such as compressible and multi-phase flows. Based on the search of the
pressure minimum in a plane, λρ defines a vortex to be a connected region with two
negative eigenvalues of the tensor SM + S … Conclusion In summary, we present a new
dynamical vortex definition for flows with a variable density effect, such as compressible and
multi-phase flows. This new λρ …
density variation, such as compressible and multi-phase flows. Based on the search of the
pressure minimum in a plane, λρ defines a vortex to be a connected region with two
negative eigenvalues of the tensor SM + S … Conclusion In summary, we present a new
dynamical vortex definition for flows with a variable density effect, such as compressible and
multi-phase flows. This new λρ …
We propose a dynamical vortex definition (the ‘ definition is needed for studying vortex dynamics in highly compressible and strongly varying density flows.
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