According to the requirement of the ship structure optimization, a new idea of optimization program design - optimization platform is provided in this paper.

根据舰船结构优化设计的需求，提出了一种新的优化程序的设计思想——优化平台。

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Genetic algorithm(GA) to ship structure design optimization is comparativelly complex and involves many manual parameters and it is very difficult to select appropriate penal factors.

船舶结构优化设计问题通常是一个包含混合变量的约束优化问题。

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The stability of ship deck grillage is analyzed by means of transport matrix technique and minimal weight of the structure is obtained with multilevel optimization method.

本文运用迁移矩阵法进行甲板板架稳定性分析，并用分级优化方法作结构最小重量设计。

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