Research Article
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 |
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(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 |
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(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 |
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