Fig. 1 ( a ) Real-time hybrid testing workflow (adapted from Ref. [ 3 ]) and ( b ) 1:70 Froude-scaled VolturnUS-S platform in the COAST Laboratory Ocean Basin at the University of Plymouth, UK More

Fig. 2 Controller regulation trajectory for ( a ) thrust, ( b ) rotor speed, and ( c ) blade pitch showing the four pairs of select parameters (summarized in Table 1 ) More

Fig. 3 Comparisons between the full-scale OpenFAST solutions (target) and the surrogate model predictions for a subset of the testing dataset for ( a ) case 2, ( b ) case 4, and ( c ) case 6 More

Fig. 4 Laboratory-scale (1:70) measurements of the ( a ) surface elevation spectra, ( b ) heave response spectra, ( c ) surge response spectra, and ( d ) pitch response spectra with different aerodynamic loading conditions More

Fig. 5 Surge response spectra around the surge natural frequency of the system More

Fig. 6 Pitch response spectra around the pitch natural frequency of the system More

Fig. 1 Geometry of the flow domain More

Fig. 2 Computational model and close-up view of the circular cylinder More

Fig. 3 Y component of velocity for different mesh fineness More

Fig. 4 ( a ) Coefficient of lift, ( b ) coefficient of drag, and ( c ) Strouhal number for a cylinder attached with SETE at Re = 100 More

Fig. 5 Vorticity contours of flow past circular cylinder at Re = 100: ( a ) plate length ( L / D ) = 0.1, ( b ) plate length ( L / D ) = 1.5, and ( c ) plate length ( L / D ) = 2.0 More

Fig. 6 ( a ) Coefficient of lift, ( b ) coefficient of drag, and ( c ) Strouhal number for cylinder attached with SETE at Re = 5000 More

Fig. 7 Vorticity contours of flow past circular cylinder at Re = 5000: ( a ) plate length ( L / D ) = 0.1, ( b ) plate length ( L / D ) = 1.2, and ( c ) plate length ( L / D ) = 2.0 More

Fig. 8 ( a ) Coefficient of lift, ( b ) coefficient of drag, and ( c ) Strouhal number for cylinder attached with SETE at Re = 100,000 More

Fig. 9 Vorticity contours of flow past circular cylinder at Re = 100,000: ( a ) plate length ( L / D ) = 0.1, ( b ) plate length ( L / D ) = 0.6, and ( c ) plate length ( L / D ) = 2.0 More

Fig. 10 Streamlines of the recirculation zone in the downstream of the cylinder More