Table 1 The parameters of PTPD1 and PTPD2.

From: Multi-parameter pendulum tuned particle damper for vibration suppression in offshore wind turbine towers

 

Pendulum length (m)

Stiffness (N/m)

Mass (t)

PTPD1

3.0

2123

8.0

PTPD2

3.5

6353

9.0

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