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A new model for wrinkling and collapse analysis of membrane inflated beam
  • 期刊名称:Acta Mech. Sinica
  • 时间:0
  • 页码:617-623
  • 分类:TP311.5[自动化与计算机技术—计算机软件与理论;自动化与计算机技术—计算机科学与技术] P145.8[天文地球—天体物理;天文地球—天文学]
  • 作者机构:[1]Center for Composite Materials, Harbin Institute of Technology,Harbin 150001, China, [2]Postdoctoral Research Center in Material Science and Engineering Harbin Institute of Technology, Harbin 150001, China
  • 相关基金:The project was supported by the National Natural Science Foundation of China (10902027), Specialized Research Fund for the Doctoral Program of Higher Education of China (200802131046), China Postdoctoral Science Foundation (200801290), Development Program of Outstanding Young Teachers in Harbin Institute of Technology (HITQNJS.2008.004) and Specialized Fund for Innovation Talents of Science and Technology in Harbin (2008RFQXG057). This paper profits greatly from the work of Veldman and Le van, and the authors would hereby express their grateful acknowledgement.
  • 相关项目:薄膜褶皱及二次皱曲行为数值分析和模拟研究
中文摘要:

一个新模型被建议精确地预言起皱并且崩溃大量膜使膨胀的横梁。在这个模型,压力效果被考虑,一个修改因素被介绍获得精确预言。前者被基于有弹性的小种类考虑修改压力相关的结构的参数完成,并且修改因素被我们的测试数据决定。与以前的模型和我们的测试数据相比,现在的模型,作为壳膜模型,说出能精确地预言起皱并且折叠大量膜使膨胀的横梁。使膨胀的关键词微笑-壳膜-弯曲-起皱-倒塌工程被中国( 10902027 )的国家自然科学基金会支持,为中国( 200802131046 )的高等教育的博士节目的专业化研究资金,中国博士后的科学地基( 200801290 ),在哈尔滨工学院( HITQNJS.2008.004 )和为在哈尔滨的科技的革新才能的专业化资金的突出的年轻教师的发展节目( 2008RFQXG05

英文摘要:

A new model is proposed to accurately predict the wrinkling and collapse loads of a membrane inflated beam. In this model, the pressure effects are considered and a modified factor is introduced to obtain an accurate prediction. The former is achieved by modifying the pressure-related structural parameters based on elastic small strain considerations, and the modified factor is determined by our test data. Compared with previous models and our test data, the present model, named as shell-membrane model, can accurately predict the wrinkling and collapse loads of membrane inflated beams.

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