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不确定条件下复合材料结构的全局灵敏度分析
  • ISSN号：1000-3851
  • 期刊名称：《复合材料学报》
  • 时间：0
  • 分类：TB33[一般工业技术—材料科学与工程]
  • 作者机构：[1]西北工业大学航空学院
  • 相关基金：国家自然科学基金(51175425);航空科学基金(2011ZA53015)
作者： 阮文斌[1], 吕震宙[1], 安军[1], 彭湃[1]
关键词： 全局灵敏度, 不确定性, 复合材料结构, 稳定性优化设计, 方差, 失效概率
中文摘要：

基于不确定条件下结构的全局灵敏度分析理论,研究了输入变量的不确定性对复合材料结构输出响应量方差和失效概率的影响。考虑材料力学性能、铺设角、铺层厚度及加载载荷的不确定性,利用基于方差和基于失效概率的全局灵敏度分析方法,对复合材料结构输出位移和强度比的不确定性来源进行分析,得到输入变量的全局灵敏度排序结果。对复合材料工字梁结构进行算例分析,验证了所得排序结果的有效性,为工程实际中复合材料结构稳定性优化设计提供了一定的指导。

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结构系统中主、客观不确定性的传播及重要性测度研究
期刊论文 87 著作 1
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期刊信息
  • 《复合材料学报》
  • 中国科技核心期刊
  • 主管单位:工业和信息化部
  • 主办单位:北京航空航天大学 中国复合材料学会
  • 主编：益小苏
  • 地址：北京海淀区学院路37号
  • 邮编：100083
  • 邮箱：
  • 电话：010-82316907
  • 国际标准刊号：ISSN：1000-3851
  • 国内统一刊号：ISSN：11-1801/TB
  • 邮发代号:80-413
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:17731