Article ID Journal Published Year Pages File Type
1897172 Physica D: Nonlinear Phenomena 2015 5 Pages PDF
Abstract

A phenomenological two-fluid model of the (time-reversible) spectrally-truncated 3D3D Euler equation is proposed. The thermalized small scales are first shown to be quasi-normal. The effective viscosity and thermal diffusion are then determined, using EDQNM closure and Monte-Carlo numerical computations. Finally, the model is validated by comparing its dynamics with that of the original truncated Euler equation.

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Physical Sciences and Engineering Mathematics Applied Mathematics
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