Crack Analysis and Structure Optimization of Torsion Beam Mounting Point

摘要

The torsion beam mounting point, one of the important connection points between the car body and the chassis, is very important for the normal running and safety of passenger cars. The rear torsion beam structure is a very mainstream chassis-rear suspension system. The reliability of torsion beam mounting point is related to passenger's safety, which should not be ignored. So, the study of the factors for the strength and durability of the torsion beam installation point, ensuring the performance meeting the durability and strength demand is very important. In this paper, by analyzing the stress and strain of the structure and using structure comparison and topology optimization method, we summarized the affecting factors and the optimization ways of the durability of the torsion beam mounting point, which provided guidance for the torsion beam mounting point design of further vehicles.