Table 1.

Physical model and structure parameters.

Description	Symbol	Value
Diameter of the cylinder	D (mm)	50
Natural frequency	f (Hz)	2.017
Strouhal number	$St=\frac{f_s\cdot D}{U}$	0.2
Flow speed	U (m/s)	0.5
Width of the vibration beam	b (mm)	30
Length of the spoiler cylinder	h2 (mm)	130
Length of the vibration beam	h1 (mm)	290
Thickness of the vibration beam	w (mm)	1