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This paper presents the implementation and application of a modified particle swarm optimization (PSO) method with dynamic adaption for optimum design of a battleship strength deck subjected to non-contact explosion. The numerical simulation process is modified to be more computationally efficient so that the task is realizable. The input variables are the thickness of plates and the dimensions of stiffeners, and the total structural mass is chosen as the fitness value. In another case, the response surface method (RSM) is introduced and combined with PSO (PSO-RSM), and the results are compared with those obtained by the traditional PSO approach. It is indicated that the PSO method can be well applied in the optimum design of explosion-loaded deck structures and the PSO-RSM methodology can rapidly yield optimum designs with sufficient accuracy. 相似文献
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考虑到夹层结构玻纤增强塑料船舶的结构强度数值仿真分析方法与一般钢质海船不同,采用层合板单元模拟玻璃钢复合材料和复合材料夹层结构,并参照中国船级社《海上高速船入级与建造规范》2015的最新要求,对某玻璃钢夹层结构双体游艇进行总强度有限元计算分析及评估,并对不满足规范要求复合材料构件提出改善夹层纤维增强建议。文中采用的分析方法和提出的建议,可为复合材料船舶的结构设计提供参考。 相似文献
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