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。

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.

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文中提出了系统的总体结构，分析了数据库接口和访问优化技术，描述了船舶调度模型和其中关键问题的解决方法。

In the paper, the overall structure is presented, the database access interface and technicals are analyzed, the dispatching mode and solution of the key problems are described.

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深入了解船体结构碰撞损伤特性和能量吸收机制是开展船舶耐撞性优化设计的前提。

In structural design and optimization of double hulled ships, it is important to understand the behavior of their structures and energy absorption mechanism in collision events.

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