Drift model for ship out of control at sea

This paper, based on ship equation as well as hydrodynamics of ship and surroundings, taking current and wind into consideration, setting ship drift model, realizes track simulation, and finally identifies searching areas. Considering the effects of wind and current sufficiently, this paper mainly analyzes wind current Ekman model and Proposes Regularization of the model. By this method the wind current can be improved a lot. At last we can design the software of drift model. The contribution of this paper provides an important referential model for perfecting maritime search and rescue decision system.