Search Results - "Balarac, Guillaume"

High order conservative finite difference scheme for variable density low Mach number turbulent flows by Desjardins, Olivier, Blanquart, Guillaume, Balarac, Guillaume, Pitsch, Heinz

“…The high order conservative finite difference scheme of Morinishi et al. [Y. Morinishi, O.V. Vasilyev, T. Ogi, Fully conservative finite difference scheme in…”
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A Posteriori Learning for Quasi‐Geostrophic Turbulence Parametrization by Frezat, Hugo, Le Sommer, Julien, Fablet, Ronan, Balarac, Guillaume, Lguensat, Redouane

“…The use of machine learning to build subgrid parametrizations for climate models is receiving growing attention. State‐of‐the‐art strategies address the…”
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Numerical study of a flapping liquid sheet sheared by a high-speed stream by Odier, Nicolas, Balarac, Guillaume, Corre, Christophe, Moureau, Vincent

“…A numerical study of a liquid sheet sheared on both sides by a high-speed stream is performed in this work, at moderate density and velocity ratio between…”
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Effects of process parameters on capsule size and shape in the centrifugal encapsulation technology: Parametric study dataset by Badalan, Matei, Bottausci, Frédéric, Ghigliotti, Giovanni, Achard, Jean-Luc, Balarac, Guillaume

“…Microencapsulation technologies have experienced much growth over the past decades and are commonly used for food, cosmetic, pharmaceutical and biomedical…”
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Traction open boundary condition for incompressible, turbulent, single- or multi-phase flows, and surface wave simulations by Bozonnet, Cyril, Desjardins, Olivier, Balarac, Guillaume

“…•A new traction boundary condition is proposed for turbulent and multiphase flows.•The implementation is described in a pressure projection method.•The…”
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Traction open boundary condition for incompressible, turbulent, single- or multi-phase flows, and surface wave simulations by Bozonnet, Cyril, Desjardins, Olivier, Balarac, Guillaume

“…In simulations, artificial boundaries need to be introduced to limit the size of computational domains and thereby lower computational cost. At these…”
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A finite-volume method for simulating contact lines on unstructured meshes in a conservative level-set framework by Pertant, Savinien, Bernard, Manuel, Ghigliotti, Giovanni, Balarac, Guillaume

“…•Numerical simulations of contact lines on unstructured meshes are performed.•The contact angle is imposed through a sub-grid scale curvature at contact…”
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Non-Kolmogorov cascade of helicity-driven turbulence by Kessar, Mouloud, Plunian, Franck, Stepanov, Rodion, Balarac, Guillaume

“…We solve the Navier-Stokes equations with two simultaneous forcings. One forcing is applied at a given large scale and it injects energy. The other forcing is…”
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Subgrid-scale scalar flux modelling based on optimal estimation theory and machine-learning procedures by Vollant, A., Balarac, G., Corre, C.

“…New procedures are explored for the development of models in the context of large eddy simulation (LES) of a passive scalar. They rely on the combination of…”
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A framework to perform high‐order deconvolution for finite‐volume method on simplicial meshes by Bernard, Manuel, Lartigue, Ghislain, Balarac, Guillaume, Moureau, Vincent, Puigt, Guillaume

“…Summary In this article, a new framework to design high‐order approximations in the context of node‐centered finite volumes on simplicial meshes is proposed…”
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Mesh adaptation for large-eddy simulations in complex geometries by Benard, Pierre, Balarac, Guillaume, Moureau, Vincent, Dobrzynski, Cecile, Lartigue, Ghislain, D'Angelo, Yves

“…Summary Large‐eddy simulation (LES) consists in explicitly simulating the large scales of the fluid motion and in modeling the influence of the smallest…”
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Numerical simulation of boiling on unstructured grids by Sahut, Guillaume, Ghigliotti, Giovanni, Balarac, Guillaume, Bernard, Manuel, Moureau, Vincent, Marty, Philippe

“…A numerical method for the simulation of multiphase flows with phase change on unstructured grids is presented. Based on the work of Tanguy et al. [31] using a…”
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Physical Analysis of the Centrifugal Microencapsulation Process by Badalan, Matei, Ghigliotti, Giovanni, Achard, Jean-Luc, Bottausci, Frédéric, Balarac, Guillaume

“…Centrifugal microcapsule synthesis has been shown to be a promising technique for microencapsulation, satisfying at the same time many requirements needed for…”
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Numerical analysis of the flapping mechanism for a two-phase coaxial jet by Odier, Nicolas, Balarac, Guillaume, Corre, Christophe

“…•The flapping mechanism of a two-phase coaxial jet is numerically investigated.•This flapping dynamics is characterized, and a mechanism is proposed for this…”
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An hybrid particle-grid method for the study of differential diffusion by Santoso, Simon, Lagaert, Jean-Baptiste, Balarac, Guillaume, Cottet, Georges-Henri

“…We propose in this paper an hybrid method combining a finite-volume method and a semi-lagrangian particle method to study the advection-diffusion of scalars in…”
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Design of a high fidelity Fluid–Structure Interaction solver using LES on unstructured grid by Fabbri, T., Balarac, G., Moureau, V., Benard, P.

“…Despite promising experimental works, high fidelity numerical simulations of chordwise flexible blade are useful to better understanding. However, such…”
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RANS computations of a confined cavitating tip-leakage vortex by Decaix, Jean, Dreyer, Matthieu, Balarac, Guillaume, Farhat, Mohamed, Münch, Cécile

“…Cavitating tip-leakage vortices appear in several hydrodynamic flows such as marine propellers or Kaplan turbines. Cavitating computations are a challenging…”
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Reconstruction of proper numerical inlet boundary conditions for draft tube flow simulations using machine learning by Véras, Pedro, Métais, Olivier, Balarac, Guillaume, Georges, Didier, Bombenger, Antoine, Ségoufin, Claire

“…This paper discusses an innovative strategy to determine appropriate mean and fluctuating inlet boundary conditions for the numerical flow simulations of a…”
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Simulation of non‐Newtonian biopolymer extrusion and fall in the centrifugal microencapsulation process by Badalan, Matei, Ghigliotti, Giovanni, Roux, Denis, Maîtrejean, Guillaume, Achard, Jean‐Luc, Bottausci, Frédéric, Balarac, Guillaume

“…We present high‐fidelity numerical simulations of the centrifugal microencapsulation process, that is of interest for biomedical applications as cell therapy…”
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Large Eddy Simulations on Vertical Axis Hydrokinetic Turbines - Power coefficient analysis for various solidities by Guillaud, N., Balarac, G., Goncalvès, E., Zanette, J.

“…Large Eddy Simulations (LES) are performed on a Vertical Axis Hydrokinetic Turbine (VAHT) at two different solidities, so as to enable a more complete physical…”
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