Turbulence寿命：我们可以从眼镜的物理学中学到什么
Turbulence lifetimes: what we can learn from the physics of glasses
摘要：
本文对近年来引起广泛关注的剪切流亚临界湍流转捩过程中湍流寿命可能有限的问题进行了讨论。我们简要回顾了最近的实验和数值计算结果，以及理论建议，并比较在亚临界剪切流中遇到的玻璃化转变的研究，在评估这个问题所产生的困难。为了超越纯粹的方法上的相似性，我们进一步阐述了这种类比，并提出了这两个显然无关的情况，这可能会促进亚临界剪切流的研究新方向之间的定性映射。
英文摘要：
In this note, we critically discuss the issue of the possible finiteness of the turbulence lifetime in subcritical transition to turbulence in shear flows, which attracted a lot of interest recently. We briefly review recent experimental and numerical results, as well as theoretical proposals, and compare the difficulties arising in assessing this issue in subcritical shear flow with that encountered in the study of the glass transition. In order to go beyond the purely methodological similarities, we further elaborate on this analogy and propose a qualitative mapping between these two apparently unrelated situations, which could possibly foster new directions of research in subcritical shear flows.
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