Abstract: Researching the conditions of navigation in sea-route and realizing the influences to navigation of hydraulic engineering by mathematical model are speedy and economic.The methods and equations of simulating navigation are introduced by mathematics model in this paper.The better outcome is gained by applying the methods to simulate navigation.

Key words: numerical simulation, vessel, track

摘要： 应用数学模型研究船舶在航道中的航行条件,可以经济、快速了解水利工程兴建后,其对船舶航行的影响.介绍了船舶航行数学模拟的方法、方程等.并将其用于某河段的航迹线模拟,得到了较好的结果

关键词: 数值模拟, 船舶, 航迹线