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Table 4 The mean displacement for blade and nacelle in the FF and SS directions for different \(\beta\)

From: Variable cross-sectional effect on bi-directional blades–tower–soil–structure dynamic interaction on offshore wind turbine subject to wind–wave loads

 

\(q_{1}\) (m)

\(q_{4}\) (m)

\(q_{7}\) (m)

\(q_{8}\) (m)

\(r_{{{\text{nac}}}}^{{{\text{fa}}}}\) (m)

\(r_{{{\text{nac}}}}^{{{\text{ss}}}}\) (m)

\(\beta = 0^\circ\)

0.0968

1.4756

0.2221

6.9e−4

0.2525

7.9e−4

\(\beta = 30^\circ\)

0.0955

1.4756

0.2222

4.1e−4

0.2526

4.3e−4

\(\beta = 60^\circ\)

0.0946

1.4757

0.2224

1.7e−4

0.2529

2.0e−4

\(\beta = 90^\circ\)

0.0942

1.4758

0.2227

8.1e−5

0.2533

1.3e−4