Vibration characteristic sensitivity analysis based on finite element for ultra-high pressure pipeline systems

被引：0
|
作者：
机构：
[1] Zhao, Jie
[2] Li, Feng
[3] Liu, Lu
来源：
Li, F. | 1600年 / Chinese Vibration Engineering Society卷 / 33期
关键词：
Complex structure - Correlation coefficient - Dynamic characteristics - Dynamic modifications - Numerical calculation - System vibrations - Ultrahigh pressure - Vibration characteristics;
D O I：
10.13465/j.cnki.jvs.2014.10.028
中图分类号：
学科分类号：
摘要：
A basic idea of pipeline system dynamic modification was proposed. With it, the pipeline vibration characteristic analysis method based on finite element was combined with the dynamic modification technology based on sensitivity analysis. Correlation coefficient was introduced to conduct sensitivity numerical calculations, so the complex structures' dynamic characteristics sensitivity analysis was made possible. An outlet pipeline system with ultra-high pressure was taken as an example for a sensitivity analysis, the results showed that the position and form of a pipeline support can obviously effect the system vibration characteristics.
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