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Stochastic generation of homogeneous isotropic turbulence with well-defined-spectra

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A precise and simple computational model to generate well-behaved two-dimensional turbulent flows is presented. The whole approach rests on the use of stochastic differential equations and is general enough to reproduce a variety of energy spectra and spatiotemporal correlation functions. Analytical expressions for both the continuous and the discrete versions, together with simulation algorithms, are derived. Results for two relevant spectra, covering distinct ranges of wave numbers, are given.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Stochastic generation of homogeneous isotropic turbulence with well-defined-spectra