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Digital Simulation Analysis of Fatigue Reliability of Compressor Disk
Author(s): QIAN Wen-xue, YIN Xiao-wei, HE Xue-hong, XIE Li-yang
Pages: 1022-
1025
Year: 2006
Issue:
9
Journal: JOURNAL OF NORTHEASTERN UNIVERSITY(NATURAL SCIENCE)
Keyword: 压气机盘; 可靠度; 临界平面法; 多轴疲劳; 数字仿真;
Abstract: 以多轴疲劳的临界平面法为基础,应用随机有限元法确定了压气机盘榫槽部位应力的分布参数,通过标准试样的应变控制低循环疲劳试验确定了材料参数的分布,采用数字仿真分析技术,得到了压气机盘寿命的分布形式和分布参数,建立了压气机盘疲劳可靠性模型.由仿真分析结果可知此方法是可行的,它可以有效降低压气机盘的试验费用,缩短试验周期,具有较高的精度.
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