Landing Gear Aerodynamic Noise Prediction Using Building-Cube Method

Table 1

Computational condition of a circular cylinder.

Reynolds number, Re	2.0×10^4
Characteristic length, D	0.04 [m] (cylinder diameter)
Freestream velocity	7.5 [m/s]
Computational domain	50𝐷×50𝐷×12.5𝐷
Minimum mesh spacing	1.00×10^−2D
Total number of cells	about 100 million
Sampling frequency	6.3 [−] (1280 Hz)
Frequency resolution	0.133 [−] (2.5 Hz)
Length of FFT	512
Averaging	10 times
Overlap	50%