Optimization of hangers of vehicle exhaust system and response analysis based on finite element method

作者：Jiang Ming^*; Zheng Di; Han Qing Kai; Zhang Tian Xia

来源：Journal of Northeastern University, 2008, 29(SUPPL.): 86-89.

• Analysis results
• Elementary analysis
• Exhaust pipe
• Exhaust pipes
• Exhaust systems
• Finite-element methods
• Harmonic
• Key factors
• NVH performance
• Optimality analysis
• Optimization of hanger stiffness
• Response analysis
• Test results
• Vehicle exhausts
• Vibration modes
• Vibration noise

The vibration noise of vehicle exhaust system is one of the key factors which impact vehicle NVH performance. To a certain type of car exhaust pipe, adopt finite element method for analysis. First, ascertain the natural frequency and vibration mode using FEM and process contrast demonstration to the practical test results. Then, based on the installation mode, use FEM to progress optimality analysis of stiffness of exhaust system hanger; present the analysis results of several groups of stiffness of typical hanger. Finally, process elementary analysis to the vibration load harmonic of exhaust system.

• 出版日期2008
• 单位东北大学