MINGUEZ , Matthieu

Bluff bodies can be prone to well-known self-excited instability such as ă galloping. Opposite to classical and well documented Vortex Induced ă Vibrations (VIV), oscillation amplitude is not bounded in such a way ă galloping-like instability can alter the integrity of the structure on ă short term. Although stability criteria exist in the...

A coupled experimental/numerical analysis of turbulent flow past a square cylinder is performed at the ERCOFTAC Reynolds number Re = U∞D/ν = 21,400, where U∞ is the inflow velocity and D the cylinder height. Complementary Laser Doppler Velocimetry (LDV) and high-order large-eddy simulations (LES) approaches, based on a spectral vanishing...

Developing high-order methods for large-eddy simulation (LES) is of interest to avoid mixing between subgrid scale modeling contributions and approximation errors of the numerical method. Two different approaches are investigated. The first one focuses on the so-called Spectral Vanishing Viscosity LES (SVV-LES) approach, which allows to extend...