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- Centre National de la Recherche ScientifiqueFR213 papers
- Université Toulouse III - Paul SabatierFR146 papers
- Institut de Recherche en Informatique de ToulouseFR145 papers
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- Université Toulouse - Jean JaurèsFR145 papers
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6 papers · 2 filters
An alternative to the concept of continuous medium
Jean-Paul Caltagirone
Discrete mechanics proposes an alternative formulation of the equations of mechanics where the Navier-Stokes and Navier-Lamé equations become approximations of the equation of disc…
Lagrangian and Eulerian accelerations in turbulent stratified shear flows
Frank G. Jacobitz, Kai Schneider
The Lagrangian (LA) and Eulerian Acceleration (EA) properties of fluid particles in homogeneous turbulence with uniform shear and uniform stable stratification are studied using di…
On a reformulation of Navier-Stokes equations based on Helmholtz-Hodge decomposition
Jean-Paul Caltagirone
The proposal for a new formulation of the Navier-Stokes equations is based on a Helmholtz-Hodge decomposition where all the terms corresponding to the physical phenomena are writte…
Semianalytical modeling of the mass transfer in microfluidic electrochemical chips
Stéphane Chevalier
This paper reports a mass transfer model of a reactant flowing in a large aspect ratio microfluidic chip made of a channel with electrodes on the side walls. A semi-analytical solu…
Application of discrete mechanics model to jump conditions in two-phase flows
Jean-Paul Caltagirone
Discrete mechanics is presented as an alternative to the equations of fluid mechanics, in particular to the Navier-Stokes equation. The derivation of the discrete equation of motio…
Experimental demonstration of negative refractionwith 3D locally resonant acoustic metafluids
Benoit Tallon, Artem Kovalenko, Olivier Poncelet +3
Negative refraction of acoustic waves is demonstrated through underwater experiments conducted at ultrasonic frequencies on a 3D locally resonant acoustic metafluid made of soft po…