AN EXHAUST SYSTEM LUMPED MODEL - IDENTIFICATION AND SIMULATION

被引：0
|
作者：
Lupea, Iulian [1 ]
机构：
[1] Tech Univ Cluj Napoca, Dept Mech Syst Engn, 103-105 Muncii Blvd, Cluj Napoca 400641, Romania
来源：
ACTA TECHNICA NAPOCENSIS SERIES-APPLIED MATHEMATICS MECHANICS AND ENGINEERING | 2016年 / 59卷 / 04期
关键词：
exhaust system; rubber hanger; frequency response function; differential equations;
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The dynamics of a car exhaust system is under observation, the vibration simulation being of particular interest. For rapid evaluation of the vertical vibrations of the system a lumped dynamic model is derived and integrated over time. Some of the system parameters are measured, others are estimated by using comparisons between measurements and finite elements analysis and some are estimated. The hanger rigidity coefficient is derived from the frequency response function measured by using the impulsive method on a system consisting of the hanger stretched by a gravity load. The system of differential equations is integrated and the natural frequencies are derived.
引用
收藏
页码：359 / 364
页数：6
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