夹层复合材料耐压圆柱壳深水静压承载特性分析

被引:9
作者
陈悦 [1 ]
朱子旭 [2 ]
李永清 [2 ]
唐廷 [1 ]
机构
[1] 海军勤务学院海防工程系
[2] 海军工程大学舰船与海洋学院
关键词
复合材料; 夹芯; 圆柱壳; 失效模式; 极限承载;
D O I
暂无
中图分类号
U661.4 [船舶结构力学]; U674.76 [潜水艇];
学科分类号
摘要
为探究新型夹层复合材料耐压圆柱壳在深水环境中的极限承载能力及失效模式,以湿法缠绕工艺成型的圆柱壳模型为研究对象,通过开展深水静压试验研究及数值仿真,分析了结构的极限承载能力及失效模式。结果表明:夹层复合材料圆柱壳的失效模式为整体失稳,内外蒙皮均出现明显纤维断裂,伴随结构渗水,内蒙皮与芯层界面处出现分层并扩展,导致结构完全丧失承载能力。同时,在兼顾结构强度与稳定性双重指标前提下,预测了结构的渐进破坏模式及极限荷载,预测值与试验结果相比误差为5.97%。该研究为夹层复合材料耐压壳的应用设计提供了技术储备。
引用
收藏
页码:83 / 87
页数:5
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