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The quality of suspension helical spring is very important to the stationarity and safety of automobile. Taking the automobile suspension helical spring as the research object, by using Pareto optimization theory and particle swarm optimization algorithm, the paper establishes a multi-objective optimization model of automobile suspension helical spring which is based on the Matlab optimization design...
In allusion to the frame of a certain semi-trailer, through adopting ANSYS software, its stress response, modal response and random vibration response were calculated with FEA method under various load cases. The finite element fatigue analysis was carried out in the form of load spectrum, as well as fatigue life and the stress strain variation laws of the vehicle frame under dynamic loads have been...
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