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基于优化样本点的双重Kriging模型的重要性测度求解方法
  • ISSN号：1000-2758
  • 期刊名称：西北工业大学学报
  • 时间：2014
  • 页码：201-205
  • 分类：TB21[一般工业技术—工程设计测绘]
  • 作者机构：[1]西北工业大学航空学院
  • 相关基金：航空基金项目(2011ZA53015);国家自然科学基金项目(51175425);博士学科点专项科研基金项目(20116102110003)
  • 相关项目：结构系统中主、客观不确定性的传播及重要性测度研究
作者： 李大伟|吕震宙|张磊刚|
关键词： 变量相关, 方差贡献, 分布参数, 灵敏度, 解析解
中文摘要：

为控制输出方差需进行输入变量对输出方差的贡献分析,而输入变量对输出方差的贡献由其分布参数决定,因此研究输入变量的分布参数对方差贡献的影响具有重要意义。该文针对二次不含交叉项的多项式,将相关变量按照一定的次序变换成独立的变量,推导了各变量对输出方差主贡献和总贡献对分布参数的灵敏度的解析解,得到了基本正态相关变量的分布参数对方差贡献的影响的一般规律,并对这些规律进行了分析解释,指出了所得规律的应用价值。最后应用数值算例和工程算例验证了所推得解析解的正确性和合理性。

同期刊论文项目
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
  • 《西北工业大学学报》
  • 中国科技核心期刊
  • 主管单位:中华人民共和国工业和信息化部
  • 主办单位:西北工业大学
  • 主编：胡沛泉
  • 地址：西安市友谊西路127号（西工大校园158号信箱）
  • 邮编：710072
  • 邮箱：xuebao@mwpu.edu.cn
  • 电话：029-88495455
  • 国际标准刊号：ISSN：1000-2758
  • 国内统一刊号：ISSN：61-1070/T
  • 邮发代号:52-182
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:10173