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中文摘要：
以某大型散货船下水为例，开发了气囊下水静态模拟分析程序．首先对常规船台下水进行了验证计算，采用大型通用船舶设计软件FORAN的下水模块进行了计算对比，结果一致．在此基础上对某7万吨级散货船进行了气囊下水的过程计算，程序考虑了囊体材料特性和气囊变形的力学特性，可方便地校核船舶气囊下水过程中的危险工况、船体浮态等．与已有文献结果比较，证明其实用性，可用于预报下水过程，提高气囊下水安全性．
英文摘要：
Based on momentum and force equilibrium, a numerical program to simulate the whole launching process of the ship with slipway or with airbag is developed. At first, a large bulk carrier launched with slipway is calculated by both the program and commercial software FORAN. The results are in good accord with each oth- er. Then, the program is used to simulate the same ship launching with airbags. It is convenient to check dan- gerous working conditions, hull floating state, and so on. The results got from the program are verified with pub- lished data. It is proved to be able to discover the main features during the launching process and ensure the launching process safety.
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