Experimental Investigation on Flutter Similitude of Thin-Flat Plates

Table 1

Flutter speed for several plates with different dimensions and aspect ratios.

(a) Aspect ratio 1 : 6

Plate’s dimension (mm)				Flutter
Thickness	Width	Length	(rad/s)	(m/s)
0.06	10	60	59.27	11.71
0.08	10	60	79.03	25.09
0.06	12	72	41.16	6.69
0.08	12	72	54.88	11.71
0.06	15	90	26.34	4.52
0.08	15	90	35.12	9.20
0.13	15	90	57.08	35.12
0.06	18	108	18.29	3.34
0.08	18	108	24.39	4.52
0.13	18	108	39.64	18.40

(b) Aspect ratio 1 : 5

Plate’s dimension (mm)				Flutter
Thickness	Width	Length	(rad/s)	(m/s)
0.06	10	50	85.35	13.58
0.08	10	50	113.80	18.11
0.06	12	60	59.27	9.43
0.08	12	60	79.03	12.58
0.06	15	75	37.93	6.04
0.08	15	75	50.58	8.05
0.06	18	90	26.34	4.19
0.08	18	90	35.12	5.59
0.13	18	90	57.08	9.08

(c) Aspect ratio 1 : 3

Plate’s dimension (mm)				Flutter
Thickness	Width	Length	(rad/s)	(m/s)
0.06	20	60	59.27	9.43
0.08	20	60	79.03	12.58
0.13	20	60	128.42	20.44
0.06	24	72	41.16	6.55
0.08	24	72	54.88	8.73
0.13	24	72	89.18	14.19
0.06	30	90	26.34	4.19
0.08	30	90	35.12	5.59
0.13	30	90	57.08	9.08
0.06	36	108	18.29	2.91
0.08	36	108	24.39	3.88
0.13	36	108	39.64	6.31