, Volume 168, Issue 1-2, pp 18-30
Date: 23 Feb 2012

The Sensitivity of the Vortex Filament Method to Different Reconnection Models

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Abstract

We present a detailed analysis on the effect of using different algorithms to model the reconnection of vortices in quantum turbulence, using the thin-filament approach. We examine differences between four main algorithms for the case of turbulence driven by a counterflow. In calculating the velocity field we use both the local induction approximation (LIA) and the Biot-Savart integral. We show that results of Biot-Savart simulations are not sensitive to the particular reconnection method used, but LIA results are.

Work supported by the Leverhulme Trust.