提出了按直接计算法进行舰船自由液面对稳性曲线修正的实时计算方法，并编写了软件模块。
The direct calculation method of real-time free surface correction for stability curves of warship is put forward and the software module is realized.
本论文提出了按最大倾斜力矩进行自由液面对大倾角稳性影响计算的修正方法。
A new method that uses the greatest inclining moment to calculate the free surface effect to the great angle stability in the paper.
利用计算所得结果不但对波峰、波谷处于船中时，而且还对波峰处于船舶任意位置时的横稳性进行了全面的研究。
Utilizing the results above, the transverse stability is thoroughly studied in the condition of not only wave crest and wave trough at midship but also wave crest at the any vessel's position.
建议舰载计算机进行稳性实时计算时，自由液面影响也要根据实际载况进行实时修正计算。
The advices are given that the free surface correction should be calculated according to the practical loading condition, while the stability curves being calculated by shipboard computer.
本文针对一30万吨级FPSO，对其各种状态下的完整稳性进行计算分析，所得结果对同类产品的船型、分舱等的确定以及实际操作具有一定的参考价值。
Stability of a 300000 DWT FPSO in different load conditions is calculated in this paper and the results will be good reference for this type of vessels.
计算结果表明，NAPA软件性能稳定、计算功能强大、使用灵活性强，使用该软件可以方便、准确地进行散货船谷物稳性的计算和校核。
The result shows that NAPA has steady performance, powerful calculation function and flexible application. NAPA can be used to calculate the ship's grain stability conveniently and accurately.
计算结果表明，NAPA软件性能稳定、计算功能强大、使用灵活性强，使用该软件可以方便、准确地进行散货船谷物稳性的计算和校核。
The result shows that NAPA has steady performance, powerful calculation function and flexible application. NAPA can be used to calculate the ship's grain stability conveniently and accurately.
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