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Emergence of non-Gaussianity in turbulence

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Wilczek,  Michael
Max Planck Research Group Theory of Turbulent Flows, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Vlaykov,  Dimitar Georgiev
Max Planck Research Group Theory of Turbulent Flows, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Lalescu,  Christian C.
Max Planck Research Group Theory of Turbulent Flows, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Wilczek, M., Vlaykov, D. G., & Lalescu, C. C. (2017). Emergence of non-Gaussianity in turbulence. In R. Örlü, A. Talamelli, M. Oberlack, & J. Peinke (Eds.), Progress in Turbulence VII: Proceedings of the iTi Conference in Turbulence 2016 (pp. 3-9). Berlin; Heidelberg; New York, N.Y.: Springer. doi:10.1007/978-3-319-57934-4_1.


Cite as: http://hdl.handle.net/21.11116/0000-0001-61BA-0
Abstract
Fully developed turbulence is characterized by markedly non-Gaussian statistics. Here, we discuss some aspects of the relation between non-Gaussianity, the emergence of coherent structures and phase correlations in turbulence. Direct numerical simulations of homogeneous isotropic turbulence are used to demonstrate a fairly rapid emergence of non-Gaussian statistics from Gaussian initial conditions.