Fluid Mechanics and Acoustics Laboratory - UMR 5509

LMFA - UMR 5509
Laboratoire de Mécanique des Fluides et d’Acoustique
Lyon
France


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Home > Teams > Turbulence & Instabilities > Publications T&I > Publications T&I 2014

Publications T&I 2014

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Mechanical action of the blood onto atheromatous plaques: influence of the stenosis shape and morphology

Article in Comput. Methods Biomech. Biomed. Eng. (2014)

Mechanical action of the blood onto atheromatous plaques: influence of the stenosis shape and morphology

Tristan Belzacq, Stéphane Avril, Emmanuel Leriche & Alexandre Delache

The vulnerability of atheromatous plaques in the carotid artery may be related to several factors, the most important being the degree of severity of the endoluminal stenosis and the thickness of (...)

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DNS of bypass transition in entrance channel flow induced by boundary layer interaction

Article in Eur. J. Mech. B-Fluids (2014)

DNS of bypass transition in entrance channel flow induced by boundary layer interaction

Marc Buffat, Lionel Le Penven, Anne Cadiou & Julien Montagnier

Developing entrance flows are of interest in a large number of application areas. They have been widely studied in the past, but many aspects of these flows are not yet fully understood. One of (...)

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Numerical Simulations of Flows with Moving Contact Lines

Article in Annu. Rev. Fluid Mech. (2014)

Numerical Simulations of Flows with Moving Contact Lines

Yi Sui, Hang Ding & Peter D.M. Spelt

Computational methods have been extended recently to allow for the presence of moving contact lines in simulated two-phase flows. The predictive capability offered by these methods is potentially (...)

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BDDC preconditioners for continuous and discontinuous Galerkin methods using spectral/hp elements with variable local polynomial degree

Article in IMA J. Numer. Anal. (2014)

BDDC preconditioners for continuous and discontinuous Galerkin methods using spectral/hp elements with variable local polynomial degree

Claudio Canuto, Luca F. Pavarino & Alexandre B. Pieri

Locally adapted meshes and polynomial degrees can greatly improve spectral element accuracy and applicability. A balancing domain decomposition by constraints (BDDC) preconditioner is constructed (...)

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Thermal boundary layer near roughnesses in turbulent Rayleigh-Bénard convection: Flow structure and multistability

Article in Phys. Fluids (2014)

Thermal boundary layer near roughnesses in turbulent Rayleigh-Bénard convection: Flow structure and multistability

J. Salort, O. Liot, E. Rusaouen, F. Seychelles, J.-C. Tisserand, M. Creyssels, B. Castaing & F. Chillà

We present global heat-transfer and local temperature measurements, in an asymmetric parallelepiped Rayleigh-Bénard cell, in which controlled square-studs roughnesses have been added. A global (...)

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Nonlinear dynamics and anisotropic structure of rotating sheared turbulence

Article in Phys. Rev. E (2014)

Nonlinear dynamics and anisotropic structure of rotating sheared turbulence

A. Salhi, F. G. Jacobitz, K. Schneider & C. Cambon

Homogeneous turbulence in rotating shear flows is studied by means of pseudospectral direct numerical simulation and analytical spectral linear theory (SLT). The ratio of the Coriolis parameter (...)

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Scale by scale anisotropy in freely decaying rotating turbulence

Article in Phys. Fluids (2014)

Scale by scale anisotropy in freely decaying rotating turbulence

Alexandre Delache, Claude Cambon & Fabien Godeferd

We analyse the anisotropy present at different scales in rotating homogeneous turbulence. The Zeman wavenumber $k_\Omega$ [O. Zeman, “A note on the spectra and decay of rotating homogeneous (...)

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Wave turbulence in a rotating channel

Article in J. Fluid Mech. (2014)

Wave turbulence in a rotating channel

Julian F. Scott

This paper describes wave-turbulence closure and its consequences for rapidly rotating (i.e. small Rossby number) turbulence confined by two infinite, parallel walls perpendicular to the rotation (...)

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Characterizing turbulent overturns in CTD-data

Article in Dyn. Atmos. Ocean. (2014)

Characterizing turbulent overturns in CTD-data

Hans van Haren & Louis Gostiaux

We are concerned with the shape of overturns due to irreversible effects of turbulent mixing through internal wave breaking in the ocean. Vertical $(z)$ overturn displacements $(d)$ are computed (...)

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Absolute instabilities in eccentric Taylor–Couette–Poiseuille flow

Article in J. Fluid Mech. (2014)

Absolute instabilities in eccentric Taylor–Couette–Poiseuille flow

Colin Leclercq, Benoît Pier & Julian F. Scott

The effect of eccentricity on absolute instabilities (AI) in the Taylor–Couette system with pressure-driven axial flow and fixed outer cylinder is investigated. Five modes of instability are (...)

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