Parametric Study on Vibration Response for Automobile Crankshaft

Abstract

In the interest of utilized more stable automobile components at high speed for reduction the vibration of mechanical system, dynamic characteristics analysis plays a vital role in complex mechanical parts. Factors influencing on the level of vibration response were determined and optimized by the approach of experimental design. Based on golbal and local proerties of crankshaft structural properties, it was found that main journal diameter and Young’s modulus were recommended as inital values. Modification of crankshaft structure was performed carefully with the aspect of compatitablity for engine equipment. The reduction of vibration response was achieved and structure resonance has been shifted toward higher frequency domain. This approach proposed for the optimizing the structural parameters and would provide potential value basis to qualitative measure of parameters and determination of optimized structure.

Prediction of Bolted Joint Dynamics Based on the Thin-Layer Element of Nonlinear Material

“…Through parameter adjustment, the linear structural model provides an efficient way to approximate the modal frequency and damping, and compute the structural response if the conditions are similar to experimental ones [1][2][3][4][5][6]. However, there are two major problems with this approach.…”