Chaotic properties of a turbulent isotropic fluid
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https://datashare.ed.ac.uk/handle/10283/2650
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资源简介：
By tracking the divergence of two initially close trajectories in phase space of forced turbulence, the relation between the maximal Lyapunov exponent λ, and the Reynolds number Re is measured using direct numerical simulations, performed on up to 2048^3 collocation points. The Lyapunov exponent is found to solely depend on the Reynolds number with λ ∝ Re^0.53 and that after a transient period the divergence of trajectories grows at the same rate at all scales. Finally a linear divergence is seen that is dependent on the energy forcing rate. Links are made with other chaotic systems.
提供机构：
University of Edinburgh. School of Physics and Astronomy
创建时间：
2017-04-03
