静水压力下纤维缠绕复合材料壳体耐压因子的优化设计(英文)

被引:5
作者
沈克纯 [1 ,2 ]
潘光 [1 ,2 ]
施瑶 [1 ,2 ]
机构
[1] 西北工业大学航海学院
[2] 西北工业大学无人水下运载技术重点实验室
关键词
静水压力; 复合材料壳体; 优化设计; 失稳; 破坏;
D O I
暂无
中图分类号
TB33 [复合材料];
学科分类号
0805 ; 080502 ;
摘要
基于遗传算法和数值分析一体式优化平台,以设计压力因子为目标函数,结构失稳和材料静强度破坏为约束条件,纤维缠绕策略和铺层方式为变量,对静水压力作用下碳/环氧、硼/环氧和玻璃/环氧等三种复合材料壳体的耐压因子进行优化设计。结果表明,复合材料耐压壳体在深海环境下能够提供充足的正浮力;对于不同的复合材料,最大设计压力受限的因素有所不同,主要受限于结构失稳或材料强度破坏;纤维缠绕策略和铺层方式对设计压力因子具有显著影响。文中最后提出变厚度设计、复合材料肋骨等增强方式,旨在解决结构失稳或材料强度破坏对最大设计压力的限制,研究成果可为复合材料耐压壳体结构设计提供参考。
引用
收藏
页码:1551 / 1563
页数:13
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