Search Results - "Deniau, H."

Comparison of outflow boundary conditions for subsonic aeroacoustic simulations by Fosso P., A., Deniau, H., Lamarque, N., Poinsot, T.

“…SUMMARY Aeroacoustics simulations require much more precise boundary conditions than classical aerodynamics. Two classes of non‐reflecting boundary conditions…”
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A robust low speed preconditioning formulation for viscous flow computations by Colin, Y., Deniau, H., Boussuge, J.-F.

“…A modification of a low speed preconditioning formulation is proposed to perform robust computations for both internal and external flows. This formulation is…”
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Strategy for spatial simulation of co-rotating vortices by Deniau, H., Nybelen, L.

“…The present numerical study is motivated by the challenge to simulate the three‐dimensional spatial dynamics of a co‐rotating vortex system, through the…”
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Unsteadiness in shock-induced separated flow with subsequent reattachment of supersonic annular jet by Shams, A., Lehnasch, G., Comte, P., Deniau, H., Alziary de Roquefort, T.

“…An axisymmetric truncated optimized contoured nozzle flow operating in overexpanded conditions is simulated in restricted shock separation regime. The…”
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Wall-Modelled Large-Eddy Simulation of a hot Jet-In-Cross-Flow with turbulent inflow generation by Bocquet, S., Jouhaud, J.-C., Deniau, H., Boussuge, J.-F., Estève, M.J.

“…•Wall temperature distribution downstream a hot Jet-In-Cross-Flow is crucial in aeronautics.•We simulate the real geometry of a wind tunnel model of…”
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Unsteadiness of flow separation and end-effects regime in a thrust-optimized contour rocket nozzle by ANH THI NGUYEN, DENIAU, H, GIRARD, S, ALZIARY DE ROQUEFORT, T

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3D Steady and Unsteady Bifurcations in a Shock-wave/Laminar Boundary Layer Interaction: A Numerical Study by Boin, J. -Ph, Robinet, J. Ch, Corre, Ch, Deniau, H.

“…The principal objective of this paper is to study some unsteady characteristics of an interaction between an incident oblique shock wave impinging a laminar…”
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A laminar kinetic energy model based on the Klebanoff-mode dynamics to predict bypass transition by Jecker, L., Vermeersch, O., Deniau, H., Croner, E., Casalis, G.

“…This article will introduce a new bypass-transition model based on the Klebanoff-mode dynamics. The model is built on the Laminar Kinetic Energy (LKE) concept,…”
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Optimizing an acoustic liner by automatic differentiation of a compressible flow solver by Cardesa, J.I., Fiévet, R., Piot, E., Deniau, H., Airiau, C.

“…The attenuation power of an acoustic liner is optimized by unsteady compressible flow simulations that model the presence of the liner with a time-domain…”
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Unsteadiness of flow separation and end-effects regime in a thrust-optimized contour rocket nozzle by Nguyen, A.Th, Deniau, H, Girard, S, De Roquefort, T.A.

“…Turbulent flow separation in over-expanded rocket nozzles is investigated experimentally in a sub-scale model nozzle fed with cold air and having a…”
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