Abstract
This paper is devoted to numerical simulation of vortex tangle dynamics in superfluid helium. The problem is solved on the base of the so called reconnection ansatz consisting of the equation of motion for vortex lines plus reconnection of a loop. A new algorithm, which is based on consideration of crossing lines, is used for the reconnection processes. Calculations are performed for a cubic box. Periodic boundary conditions are applied in all directions. We use the 4th order Runge-Kutta method for the integrations in time. The dynamics of quantized vortices with various counterflow velocities is studied. The density of vortex lines and number of reconnections as functions of vortex line density are calculated.
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Kondaurova, L.P., Andryuschenko, V.A. & Nemirovskii, S.K. Numerical Simulations of Superfluid Turbulence under Periodic Conditions. J Low Temp Phys 150, 415–419 (2008). https://doi.org/10.1007/s10909-007-9562-z
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DOI: https://doi.org/10.1007/s10909-007-9562-z