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IDENTIFICATION OF AXIAL DYNAMIC LOAD OF A FRANCIS TURBINE
Author(s): 
Pages: 123-125
Year: Issue:  4
Journal: JOURNAL OF VIBRATION AND SHOCK

Keyword:  水电站轴向动荷载识别技术遗传算法有限元;
Abstract: 水轮机轴向动荷载是机组总轴向力的主要组成部分,其特性直接影响水电站厂房设计和安全经济运行.合理对其进行评估具有重要的意义.文中以一水电站厂房结构和机组联合现场振动测试数据为基础,将厂房结构和机组视为一耦联体系,采用改进遗传算法和有限元技术编写程序,对水轮机轴向动荷载进行识别.识别结果比较理想.该方法简单有效,具有较强的实用性.
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