The vibration analysis of drive shaft based on SolidWorks

In order to reduce the vibration and prevent the resonance efficiently, the vibration character of drive shaft of car has been analyzed by finite element analysis method with SolidWorks software in this paper. Firstly, the model of drive shaft has been established and divided into a certain number of units by means of Simulation plug-ins. Secondly, the three vibration modes, the corresponding displacement and vibration frequency were obtained after the finite element model of drive shaft was calculated and analyzed by the computer. Finally, based on the vibration frequency that had been obtained, the engine speed was calculated which was correspond to the critical speed and the natural frequency of the shaft. Then, we could prevent the resonance of the drive shaft by way of keeping away from the resonance speed range of the shaft when we designed to match the engine and power train. This research method provided a basis for engineers who engaged in mechanical vibration characteristics matching of the vehicles transmission.