Vol.21, Special Issue, 2021, pp. S8–S12
UDC:

The present study analyses the motions of freely floating rigid structures over the asymmetric trenches. The boundary value problem (BVP) is solved using the boundary element method (BEM). Various physical parameters such as radiation damping and added mass associated with the surge, heave and pitch motions of the freely floating body over the asymmetric trenches are studied for various values of dock length. The study shows that the damping coefficient and added mass correspond to the heave and pitch motions of the rigid dock increases with an increase in dock length. In addition, the added mass and damping coefficient related to the surge motion of the floating dock increases with an increase in dock length in the long wave regime. Nevertheless, reverse pattern is noticed in the intermediate wave regime. Moreover, there is no significant effect of dock length on the damping coefficient and added mass that correspond to surge motion in the short-wave regime.

Keywords: radiation, boundary element method (BEM), heave, surge, pitch