Research Article
Numerical and Experimental Research on the Effect of Platform Heave Motion on Vortex-Induced Vibration of Deep Sea Top-Tensioned Riser
Table 6
Natural frequencies of the TTR test model(Hz).
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| | T = 70 N | 1.2402 | 2.5008 | 3.8017 | 5.1617 | 6.5982 | | T = 80 N | 1.3273 | 2.6738 | 4.0579 | 5.4976 | 7.0093 | | T = 100 N | 1.4858 | 2.9887 | 4.5253 | 6.1119 | 7.7637 | | T = 120 N | 1.6198 | 3.2552 | 4.9217 | 6.6342 | 8.4069 | | T = 130 N | 1.6879 | 3.3909 | 5.1237 | 6.9007 | 8.7358 |
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