Alain Dervieux Libri

This volume contains contributions to the BRITE-EURAM 3rd Framework Programme ETMA and extended articles of the TMA-Workshop. It focusses on turbulence modelling techniques suitable to use in typical flow configurations, with emphasis on compressibility effects and inherent unsteadiness. These methodologies are applied to the Navier-Stokes equations, involving various turbulence modelling levels from algebraic to RSM. Basic turbulent flows in aeronautics are considered; mixing layers, wall-flows (flat-plate, backward-facing step, ramp, bump), and more complex configurations (bump, aerofoil). A critical assessment of the turbulence modelling performances is offered, based on previous results and on the experimental data-base of this research programme. The ETMA results figure in the data-base constituted by all partners and organized by INRIA

The numerical simulation of the Euler equations in Fluid Dynamics has become a significant challenge for researchers and aerospace engineers. The growing interest in more realistic models, particularly the Euler equations, stems from their applications in Aerodynamics and Aerothermics. Accurate and efficient solvers are essential for military aircraft and space vehicles operating under supersonic and hypersonic conditions, especially at high angles of attack and in regimes with strong shocks and vorticity. This text presents the proceedings from the GAMM Workshop on the Numerical Simulation of Compressible Euler Flows, held at INRIA, Rocquencourt (France), from June 10-13, 1986. The workshop aimed to evaluate various codes for solving compressible inviscid, mainly steady, Euler flows in terms of accuracy and efficiency. This event followed a previous GAMM workshop in 1979 in Stockholm but focused solely on advancements in numerical methods for the Euler equations, excluding the full-potential approach. Since 1979, additional workshops have concentrated on airfoil calculations; however, many newly developed methods were not showcased due to their underdevelopment or insufficient application to complex flow problems. The 1986 GAMM workshop was notable for its innovative methods.