On the relationships between different vortex identification methods based on local trace criterion

Vortical flow is generally considered to be a flow with a rotational trend, but vortex regions vary depending on the vortex identification methods by which they are extracted. In this paper, theoretical relationships between commonly used Q series vortex criteria, eigenvalue-based vortex criteria, a...

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Veröffentlicht in:	Physics of fluids (1994) 2021-10, Vol.33 (10)
Hauptverfasser:	Liu, Yangwei, Zhong, Weibo, Tang, Yumeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Criteria Eigenvalues Flow distribution Fluid dynamics Fluid flow Identification methods Isotropic turbulence Local flow Mach number Swirling Turbulent flow Vortices
Online-Zugang:	Volltext
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