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Dynamical aspects of vortex reconnection of perturbed anti-parallel vortex tubes. (English) Zbl 0781.76028
The authors analyse numerically the phenomenon of vortex reconnection. For Reynolds number Re non exceeding 1500, calculations are performed using a uniform mesh while a stretched mesh is taken for calculations in the range \(1500<\text{Re}\leq 3500\). The results are compared with predictions of a recent model [P. G. Saffman, J. Fluid Mech. 212, 395-402 (1990; Zbl 0692.76016)]. Points of agreement and disagreement are stated and explanations are provided for the points of disagreement.
Reviewer: Y.N.Gaur (Jaipur)

MSC:
76D99 Incompressible viscous fluids
76D05 Navier-Stokes equations for incompressible viscous fluids
76M25 Other numerical methods (fluid mechanics) (MSC2010)
65M70 Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs
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