Abstract
The dynamic equations of a cylindrical two pojnt mooring buoy were induced on the fo1lowing assumptions ;
1) The cylindrical buoy set up horizontally, fully immersed in water.
2) Weight in water of the mooring lines and acting forces were ignore.
3) The motion of the buoy was two dimensional movement such as surging, heaving and pitching.
Numerical calculations were done by the dynamic equations of which were modified as the linear approximately.
The motion of buoy can be displayed by computer program.
