基于有限元模型修正的桥梁结构受力性能评价-(5694)

《基于有限元模型修正的桥梁结构受力性能评价-(5694)》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、内蒙古科技大学硕士学位论文目录摘要....................................................................................................................................IAbstract..................................................................................................................................II1绪

2、论.......................................................................................................................................11.1引言............................................................................................................................11.2有限元模型修正技术的研究与发展.......

3、...............................................................11.2.1自由度匹配.....................................................................................................11.2.2矩阵型直接修正算法....................................................................................21.2.3参数型修正算法.....

4、.......................................................................................41.3有限元模型修正主要存在的问题..........................................................................61.4本文主要研究内容...................................................................................................72

5、有限元模型修正基本原理.................................................................................................82.1建立初始有限元模型、结构系统参数识别.........................................................82.1.1建立初始有限元模型....................................................................................82.1.2

6、结构系统参数识别........................................................................................92.2模型修正目标函数选择.........................................................................................112.2.1基于模态参数的目标函数..........................................................................1

7、12.2.2基于频响函数的目标函数..........................................................................142.2.3基于结构动力学响应参数的目标函数.....................................................152.3模型修正算法和相关准则.................................................................