Research Article
Structural Damping Effects on Dynamic Instability of Subtangentially Loaded and Shear Deformable Beck’s Columns
Table 4
Damped flutter loads of Beck’s columns for
, 0.02 with increase in the damping ratio for
.
| Damping ratio (%)
| External damping only, | Internal damping only, | External and internal damping, | | | | | | |
| | 0.01 | 20.05 (16.05) | 12.12 (10.95) | 10.94 (9.870) | 8.083 (7.529) | 17.03 (14.20) | 10.90 (9.967) | | 0.1 | 20.05 (16.05) | 12.12 (10.95) | 10.94 (9.870) | 8.083 (7.529) | 17.03 (14.20) | 10.90 (9.967) | | 2.0 | 20.05 (16.05) | 12.12 (10.95) | 10.94 (9.870) | 8.084 (7.529) | 17.03 (14.20) | 10.90 (9.969) | | 5.0 | 20.05 (16.06) | 12.13 (10.95) | 10.95 (9.870) | 8.088 (7.530) | 17.06 (14.20) | 10.92 (9.974) | | 8.0 | 20.06 (16.06) | 12.13 (10.95) | 10.95 (9.870) | 8.096 (7.531) | 17.10 (14.21) | 10.97 (9.985) | | 10.0 | 20.07 (16.06) | 12.14 (10.96) | 10.96 (9.870) | 8.103 (7.532) | 17.15 (14.21) | 11.01 (9.994) | | 100.0 | 21.83 (16.80) | 13.78 (11.72) | 12.6 (9.870) | 10.04 (7.716) | 26.22 (15.13) | 18.30 (11.05) |
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Values in round brackets denote the damped flutter loads in the case of .
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