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椭圆底扁薄球壳结构的双稳态力学行为

张平 周丽 邱涛 程文杰

张平, 周丽, 邱涛, 程文杰. 椭圆底扁薄球壳结构的双稳态力学行为[J]. 航空动力学报, 2014, 29(2): 328-336. doi: 10.13224/j.cnki.jasp.2014.02.012
引用本文: 张平, 周丽, 邱涛, 程文杰. 椭圆底扁薄球壳结构的双稳态力学行为[J]. 航空动力学报, 2014, 29(2): 328-336. doi: 10.13224/j.cnki.jasp.2014.02.012
ZHANG Ping, ZHOU Li, QIU Tao, CHENG Wen-jie. Bi-stable mechanical behavior of shallow thin spherical shell with elliptical bottom[J]. Journal of Aerospace Power, 2014, 29(2): 328-336. doi: 10.13224/j.cnki.jasp.2014.02.012
Citation: ZHANG Ping, ZHOU Li, QIU Tao, CHENG Wen-jie. Bi-stable mechanical behavior of shallow thin spherical shell with elliptical bottom[J]. Journal of Aerospace Power, 2014, 29(2): 328-336. doi: 10.13224/j.cnki.jasp.2014.02.012

椭圆底扁薄球壳结构的双稳态力学行为

doi: 10.13224/j.cnki.jasp.2014.02.012
基金项目: 国家自然科学基金(11172128,61161120323);江苏省“六大人才高峰”资助项目(2010-JZ-004);江苏省普通高校研究生科研创新计划(CXZZ12_0139);江苏高校优势学科建设工程

Bi-stable mechanical behavior of shallow thin spherical shell with elliptical bottom

  • 摘要: 针对可变形鼓包型面设计方案需求,以铰支边界的椭圆底扁薄球壳模型为对象,通过数值仿真研究了结构双稳态构型的转换机理以及需要满足的参数条件;对稳态构型转换中的跳变类型以及影响因素进行了分析;给出了不同驱动方式下,加载位置和形状参数对稳态构型转换需要的临界驱动力以及结构内应变的影响.结果表明:结构在铰支约束下存在双稳态需满足一定的拱高厚度比;稳态构型在转换过程中存在局部跳变和整体跳变组合方式,可以通过选择加载位置和结构参数进行控制;结构发生跳变时的临界载荷和结构内应变与加载方式和结构参数有关.

     

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出版历程
  • 收稿日期:  2012-12-22
  • 刊出日期:  2014-02-28

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