Strength Analysis and Optimization Design of Exhaust System Body Suspension Points in a Commercial Vehicle
Insufficient strength in the body suspension points of the exhaust system significantly affects its operational status,thereby impacting the driving stability and comfort of the entire vehicle.This study employed a novel approach that combines finite element analysis with targeted strength improvements to address the issue of insufficient strength in the body suspension points of the exhaust system for a specific brand of commercial vehicles.By first establishing a finite element analysis model for the exhaust system and conducting finite element simulation calculations based on 12 operating conditions,the system's performance under various scenarios was accurately evaluated.Subsequent force analysis and calculations enabled us to develop optimization solutions aimed at improving the weak areas in the suspension system.Finally,through simulation experiments and actual stress testing,the improved finite element model was rigorously validated.The experimental results demonstrate a significant enhancement in the strength of the body suspension points of the exhaust system after implementing the optimization measures.The maximum stress was reduced from 556.8 MPa to 268.4 MPa.
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