截断欧拉方程的双流体模型
流体动力学
2009-11-13 v1
摘要
提出了一种(时间可逆的)谱截断三维欧拉方程的现象学双流体模型。首先表明热化的小尺度是准正态的。然后利用 EDQNM 闭合和蒙特卡洛数值计算确定了有效粘度和热扩散系数。最后,通过比较该模型的动力学与原始截断欧拉方程的动力学,对模型进行了验证。
引用
@article{arxiv.0710.2462,
title = {Two-fluid model of the truncated Euler Equations},
author = {Giorgio Krstulovic and Marc-Etienne Brachet},
journal= {arXiv preprint arXiv:0710.2462},
year = {2009}
}
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