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9 papers · 1 filter
Decay of scalar variance in isotropic turbulence in a bounded domain
Guillevic Lamaison, Wouter Bos, L. Shao +1
The decay of scalar variance in isotropic turbulence in a bounded domain is investigated. Extending the study of Touil, Bertoglio and Shao (2002; Journal of Turbulence, 03, 49) to…
Inertial range scaling of scalar flux spectra in uniformly sheared turbulence
Wouter J. T. Bos, Jean-Pierre Bertoglio
A model based on two-point closure theory of turbulence is proposed and applied to study the Reynolds number dependency of the scalar flux spectra in homogeneous shear flow with a…
Dynamics of spectrally truncated inviscid turbulence
Wouter J. T. Bos, Jean-Pierre Bertoglio
The evolution of the turbulent energy spectrum for the inviscid spectrally truncated Euler equations is studied by closure calculations. The observed behavior is similar to the one…
Spectral imbalance and the normalized dissipation rate of turbulence
Wouter J. T. Bos, L. Shao, Jean-Pierre Bertoglio
The normalized turbulent dissipation rate is studied in decaying and forced turbulence by direct numerical simulations, large-eddy simulations, and closure calculations. A la…
On the study of local stress rearrangements during quasistatic plastic shear of a model glass: do local stress components contain enough information?
Michel Tsamados, Anne Tanguy, Fabien Leonforte +1
We present a numerical study of the mechanical response of a 2D Lennard-Jones amorphous solid under steady quasistatic and athermal shear. We focus here on the evolution of local s…
A fretting crack initiation prediction taking into account the surface roughness and the crack nucleation process volume
Henry Proudhon, Siegfried Fouvry, Jean-Yves Buffiere
This paper presents an experimental study of the fretting crack nucleation threshold, expressed in terms of loading conditions, with a cylinder/plane contact. The studied material…