A Wiener-Laguerre Model of VIV Forces Given Recent Cylinder Velocities

Figure 7

A trajectory and its neighbors in terms of rotatron distance. Smooth curve: Laguerre approximation of trajectory, stippled arrow: true force, smooth arrow: predicted force. Black is for the trajectory used to enter the model to find the force. Green and red are used for the three closest points in the database, respectively, before and after rotation or mirroring.