The Onera elsA CFD software is both a software package capitalizing the innovative results
of research over time and a multi-purpose tool for applied CFD and multi-physics. The …

Aircraft aerodynamic design often involves evaluating flow conditions that span low
subsonic to transonic or even supersonic Mach numbers. Compressible flow solvers are a …

The computation of combustion instabilities requires efficient numerical solvers. For low
Mach number compressible flows splitting schemes provide an adequate family of solution …

This paper details the development and implementation of a density-based solution
approach for simulation and design in variable density incompressible flows with heat …

Chapman-Enskog (CE) expansion analysis shows that the lattice Boltzmann equation (LBE)
can recover the second-order continuity and NS equations of the weakly compressible …

In order to evaluate the potential of UHBR (Ultra High Bypass Ratio) turbofan engines for the
replacement of existing medium-haul aircraft, four different NOVA (Nextgen Onera Versatile …

Computational fluid dynamics codes using the density-based compressible flow formulation
of the Navier–Stokes equations have proven to be very successful for the analysis of high …

For low-speed turbulent flows governed by compressible Navier–Stokes equations, the
large disparity of phase velocities between hydrodynamic wave and acoustic wave leads to …

The aerodynamic design of aircraft often involves evaluating flow conditions that span low
subsonic to transonic, or even supersonic Mach numbers. Compressible flow solvers are a …

Une composante importante de la conception des ailes d'avion est l'évaluation de leurs
performances, notamment en termes de trainée. En régime subsonique, celle-ci est due en …