Extended Self Similarity in numerical simulations of 3D anisotropic turbulence

Nonlinear Sciences – Chaotic Dynamics

Scientific paper

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Plain latex, 4 figures avalaible upon request to struglia@roma2.infn.it, solved problems with some latex version

Scientific paper

10.1103/PhysRevE.53.R5565

Using a code based on the Lattice Boltzmann Equation, we have performed numerical simulations of a turbulent shear flow. We investigate the scaling behaviour of the structure functions in presence of anisotropic homogeneous turbulence, and we show that although Extended Self Similarity does not hold when strong shear effects are present, a more generalized scaling law can still be defined.

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