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- Guido Boffetta, Antonio Celani, Stefano Musacchio
- Physical review letters
- 2003

We investigate theoretically and numerically the effect of polymer additives on two-dimensional turbulence by means of a viscoelastic model. We provide compelling evidence that, at vanishingly smallâ€¦ (More)

â€¢ A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official publishedâ€¦ (More)

- Julien Bec, Luca Biferale, Marco Cencini, Arcangela M Lanotte, Stefano Musacchio, F. Toschi
- Physical review letters
- 2007

Spatial distributions of heavy particles suspended in an incompressible isotropic and homogeneous turbulent flow are investigated by means of high resolution direct numerical simulations. In theâ€¦ (More)

- Guido Boffetta, Stefano Musacchio
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2010

Statistical features of homogeneous, isotropic, two-dimensional turbulence is discussed on the basis of a set of direct numerical simulations up to the unprecedented resolution 32768(2). By forcingâ€¦ (More)

We study the response of dynamical systems to finite amplitude perturbation. A generalized fluctuation-response relation is derived, which links the average relaxation toward equilibrium to theâ€¦ (More)

- Guido Boffetta, Filippo de Lillo, Stefano Musacchio
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We study the statistics of single-particle Lagrangian velocity in a shell model of turbulence. We show that the small-scale velocity fluctuations are intermittent, with scaling exponents connected toâ€¦ (More)

- Guido Boffetta, Filippo de Lillo, Stefano Musacchio
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

We discuss the possibility to introduce geometrical constraints in shell models of turbulence in order to mimic the turbulent dynamics that takes place in fluid layers with large aspect ratio. Byâ€¦ (More)

- Guido Boffetta, Filippo de Lillo, Stefano Musacchio
- Physical review letters
- 2010

The complex evolution of turbulent mixing in Rayleigh-Taylor convection is studied in terms of eddy diffusivity models for the mean temperature profile. It is found that a nonlinear model, derivedâ€¦ (More)

By J. BEC, L. B IFERALE, G. BOFFETTA, A. CELANI, M. CENCINI, A. LANOTTE, S. MUSACCHIO AND F. TOSCHI CNRS Observatoire de la CÃ´te dâ€™Azur, B.P. 4229, 06304 Nice Cedex 4, France Department of Physicsâ€¦ (More)

- Luca Biferale, Stefano Musacchio, Federico Toschi
- Physical review letters
- 2012

We study the statistical properties of homogeneous and isotropic three-dimensional (3D) turbulent flows. By introducing a novel way to make numerical investigations of Navier-Stokes equations, weâ€¦ (More)