NONLINEAR TIME-DOMAIN SIMULATION OF FISHING VESSEL CAPSIZING IN QUARTERING SEAS

Ship design practice has been to measure stability by static criteria and to compensate for dynamic effects through a margin of safety. However, there is a fundamental difference between static and dynamic stability. The main objective of the present project has been to investigate the capabilities of the 3-D nonlinear time domain Large Amplitude Motion Program (LAMP) for the evaluation of fishing vessels operating in extreme waves. The project's focus was building upon the previous LAMP development and extending it to the modeling of maritime casualties, including a time domain simulation of a strip capsizing in stern quartering seas. This modeling capability will allow both the analysis of recorded casualties and the identification of potential safety concerns.