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arXiv 0706.3232physics.flu-dyn
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turbulence中的渐近概率密度函数

Asymptotic probability density functions in turbulence

F. O. Minotti, E. Speranza

摘要:

给出了湍流强度渐近概率分布函数的封闭演化方程。的形式主义推导出一个通用的发展方程,使最终的结果可以很容易地应用到相当一般的问题。虽然所涉及的近似不能被确定的先验,我们表明,应用的形式主义众所周知的问题给出了正确的结果。

英文摘要:

A formalism is presented to obtain closed evolution equations for asymptotic probability distribution functions of turbulence magnitudes. The formalism is derived for a generic evolution equation, so that the final result can be easily applied to rather general problems. Although the approximation involved cannot be ascertained a priori, we show that application of the formalism to well known problems gives the correct results.

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