Fast FE-Analysis and Measurement of the Hydraulic Transfer Function of Pipes with Non-Uniform Cross Section

机译：非均匀横截面管道的水力传递函数的快速有限元分析和测量

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The influence of a cross section change on the dynamic behavior of a fluid-filled piping system is analyzed in this research using a hydraulic test bench and an efficient finite element based substructuring technique. A cross section change due to an orifice leads to a local damping effect and a frequency shift of the hydraulic resonances. A local, frequency dependent fluid damping model is successfully integrated in the substructuring technique and gives promising results.

机译：在这项研究中，使用液压试验台和基于有限元的高效子构造技术，分析了横截面变化对流体填充管道系统动力学行为的影响。由于孔而引起的横截面变化导致局部阻尼效应和水力共振的频率偏移。局部频率相关的流体阻尼模型已成功集成到子结构技术中，并给出了可喜的结果。

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《German annual conference on acoustics;International conference on acoustics;NAG/DAGA 2009》|2010年|p.234-237|共4页
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J. Herrmann; M. Spitznagel; L. Gaul;
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中图分类声学工程;
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4. Fast FE-Analysis and Measurement of the Hydraulic Transfer Function of Pipes with Non-Uniform Cross Section [C] . J. Herrmann, M. Spitznagel, L. Gaul German annual conference on acoustics . 2009

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Fast FE-Analysis and Measurement of the Hydraulic Transfer Function of Pipes with Non-Uniform Cross Section

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