Vortex flow Vortex shedding 5 Reynolds number 4 Wakes 3 Circular cylinders 2 Cylinder diameters 2 Cylinders (shapes) 2 Vortex-shedding 2 Acoustic noise 1 Aeroacoustic prediction 1 Computational aeroacoustics 1 Critical location 1 Cross-correlation coefficient 1 Cylinder wake 1 Diameter ratio 1 Direct-numerical-simulation 1 Ffowcs Williams-Hawkings equation 1 Flow structure 1 Geometry 1 Initial conditions 1 Kinetic energy 1 Kinetics 1 Large eddy simulation 1 Large-eddy simulations 1 Large-scale vortices 1 Low Reynolds number 1 Modeling equations 1 Navier Stokes equations 1 Noise computations 1 Non-dimensional parameters 1