ANALYTICAL METHOD ON COUPLING MOTIONS OF MOORED SHIP AND DOLPHINS DURING TSUNAMI AND ITS APPLICATION

Abstract

 We conducted the disaster surveys of large vessels moored along terminals inside harbor basins in the 2011 Tohoku Earthquake Tsunami by using the analytical method on motions of moored ship due to tsunami wave forces and the seismic vibration. However, the disaster phenomena of mooring line breakage and rendering beyond a winch brake holding load, and the ship’s direct contact with breasting dolphins due to fender breakage has not been surveyed in detail yet. An analytical method on coupling motions of moored ship and dolphins during tsunami has been proposed, and its application has been introduced.