Research on Simulation Modeling of Container Terminal Logistics System Based on WITNESS

With the rapid development of China's container terminals, how to make full use of the resources of container terminals through vaious management and technical means to increase the revenue of container terminals has become a subject that needs to be studied in the scale expansion and production management of container terminals. The location of distribution center plays an important strategic role in the planning and design of distribution center. To some extent, the location of distribution center affects the success or failure of distribution center operation. Container terminal is a complex dynamic system of discrete events, which has the characteristics of dynamics, randomness and asynchrony. According to the characteristics of terminal operation, the discrete event simulation theory is adopted, the simulation model is established based on the logistics operation process of container terminal, and the event-oriented simulation method is adopted to simulate the road traffic system of Tianjin Port container terminal based on simulation software. On the basis of the formal description of discrete event system (DEVS), the DEVS model of the container terminal handling system is constructed, and its simulation model is established in the eM Plant software. Taking a port as the application background, the correctness and effectiveness of the simulation model are verified.