Abstract
In order to reduce the vibration of aero-engine passing the critical speed, the vibration of aero-engine passing the critical speed is optimized through in-depth analysis of the supporting damping and dynamic characteristics of aero-engine high pressure rotor system. Firstly, the high pressure rotor of an aero-engine is modeled by SolidWorks 3D software. Then the dynamic characteristics of the high pressure rotor model were analyzed by using ANSYS finite element analysis software. Finally, the parametric design module of ANSYS is used to optimize the supporting damping of the model. The simulation results show that the parametric design of the supporting damping of the high pressure rotor can effectively reduce the vibration of the high pressure rotor passing the critical speed.
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