THEORETICAL MODELING AND TEST SIMULATION RESEARCH OF DOUBLE-LAYER VIBRATION ISOLATION SYSTEM

CHEN GaoSheng; LAI LiangQing; JIANG HongGang; SU ZhengTao

doi:10.16579/j.issn.1001.9669.2016.01.007

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THEORETICAL MODELING AND TEST SIMULATION RESEARCH OF DOUBLE-LAYER VIBRATION ISOLATION SYSTEM

更新时间：2022-09-22

- THEORETICAL MODELING AND TEST SIMULATION RESEARCH OF DOUBLE-LAYER VIBRATION ISOLATION SYSTEM
- Journal of Mechanical Strength Vol. 38, Issue 1, Pages: 32-37(2016)
- 作者机构：
  
  1. 北京航空材料研究院减振降噪材料及应用技术航空科技重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2016.01.007
  CLC：
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CHEN GaoSheng, LAI LiangQing, JIANG HongGang, et al. THEORETICAL MODELING AND TEST SIMULATION RESEARCH OF DOUBLE-LAYER VIBRATION ISOLATION SYSTEM. [J]. 38(1):32-37(2016)
DOI：

CHEN GaoSheng, LAI LiangQing, JIANG HongGang, et al. THEORETICAL MODELING AND TEST SIMULATION RESEARCH OF DOUBLE-LAYER VIBRATION ISOLATION SYSTEM. [J]. 38(1):32-37(2016) DOI： 10.16579/j.issn.1001.9669.2016.01.007.

摘要

利用四端参数法建立了基于冰箱压缩机双层隔振系统的理论模型,得到了系统的力传递率规律,利用有限元法建立了双层隔振系统的仿真模型,通过模态分析及动态响应分析得到了系统的振型及力传递率。将双层隔振系统力传递率的理论结果及有限元仿真结果与试验结果进行了比较分析,结果表明,理论模型得到的共振频率与仿真结果吻合较好,力传递率结果与仿真结果总体趋势一致,理论结果与仿真结果在0 Hz~150 Hz的低频段上与试验结果吻合较好,当频率高于150 Hz时,理论结果及仿真结果均与试验结果存在一定偏差。

Abstract

The theoretical model of double-layer vibration isolation system based on the icebox compressor was built through the four-point parameter method,and got the force transportation-rate pattern,found the finite element simulation model of double-layer vibration isolation,obtained the main mode of the system through mode analysis and the force transportation-rate through dynamic reaction analysis. The force transportation-rate results through theoretical model and finite simulation method and test were compared and analyzed,the results show,the natural frequencies obtained from the theoretical model and simulation model are basically same,the force transportation-rate has the same trend on the whole,the theoretical results and simulated results accord well with the test results in the low frequency between 0 to 150 Hz,when the frequency exceeds 150 Hz,there are some differences between theoretical results,simulation results and test results to some extent.

关键词

四端参数法双层隔振力传递率固有频率有限元法

Keywords

Four-point parameter methodDouble-layer vibration isolationForce transportation-rateNatural frequencyFinte element method

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Laiwu Vocational and Technical College

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