Geometric properties of passive random advection

The geometric properties of passive random advection of a second-rank covariant tensor in d-dimensional space are studied by deriving the probability density function (PDF) of the symmetric (metric) tensor. A simple method of transforming the PDF between Eulerian and Lagrangian frames is presented....

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Bibliographic Details
Main Authors: Boldyrev, SA, Schekochihin, A
Format: Journal article
Language:English
Published: American Inst of Physics 2000
Description
Summary:The geometric properties of passive random advection of a second-rank covariant tensor in d-dimensional space are studied by deriving the probability density function (PDF) of the symmetric (metric) tensor. A simple method of transforming the PDF between Eulerian and Lagrangian frames is presented. Through this symmetry of the problem that all the moments of passively advected tensors can be calculated.