Simulation and Research on Righting a Damaged Ship Based on GHS Software

Abstract

Buoyancy calculation and stability calculation is critical for righting a capsized ship. In the process of designing programs, the effect of salvage methods, damaged compartments, stress characteristics should be taken into consideration. In this paper, according to the principle of ship statics and Boyle's law, a detailed calculation method of water inflow volume and cavitation in broken cabin is given, and the aligning force is derived. The uprighting process is demonstrated by software in view of the problem of the conventional technique. Taking the simulation of righting a damaged and capsized ship as an example, the stability, flooding water and longitudinal strength are calculated. Proper water injection in the broken cabin can reduce the stability of the capsized ship and reduce the difficulty of twisting, but it has a great influence on the strength of the hull.