Large-eddy simulation (LES) of vortex dynamics across cavity opening in acoustic resonance
Iso-contours of Q-criterion showing the vortex dynamics taking place across deep cavities in acoustic resonance, for 3 different cavity inclination angles (30, 60 and 90 degrees). Wall-resolved large-eddy simulation (LES) using Compressible Aerodynamics & Aeroacoustics Research coDe (CANARD) at Re=262,000 and M=0.3.
Direct numerical simulation (DNS) of flow past a vertical plate
Iso-contours of spanwise vorticity showing the first vortex shedding (due to the instability of a recirculation bubble) and the development of the periodic shedding modes in the initial stage of flow past a vertical plate. Direct numerical simulation (DNS) using Compressible Aerodynamics & Aeroacoustics Research coDe (CANARD) at Re=2,000 and M=0.25.
Wall-resolved large-eddy simulation (LES) of flow-induced acoustic resonance in a deep cavity
Iso-contour surfaces of perturbed pressure which show the coherent vortex structure travelling across the cavity opening and the resonant acoustic waves inside the cavity. Re=175,000. M=0.2.
Direct numerical simulation (DNS) of aerodynamic noise emanating from a stalled NACA0012 aerofoil:
Iso-contour surfaces of vorticity magnitude (flow structures) and dilatation field (acoustic waves) generated from a NACA0012 aerofoil at Re=50,000, M=0.4 and AoA=15 degrees, simulated by using CANARD (Compressible Aerodynamics & Aeroacoustics Research coDe)
Large-eddy simulation (LES) of compressible flow past a NASA SDT fan blade cascade, by using CANARD:
Iso-contour surfaces of streamwise vorticity (turbulent boundary layers) and the divergence of velocity (acoustic wave generation/radiation)
Large-eddy simulation (LES) of aerofoil noise generated from a serrated trailing edge:
Mean surface pressure fluctuation level, boundary-layer turbulence, and acoustic pressure radiation; comparing two different cases: one with a conventional and the other with a serrated trailing edge of a Joukowski aerofoil; Re=250,000; AoA=0
Direct numerical simulation (DNS) of flow through a channel with longitudinal ribs, by using CANARD:
Turbulent boundary layer behaviours inside the channel viewed from streamwise cross-section planes