Noise analysis of interior structure under powertrain excitation
Zhenhe Bai,
Jiashuai Wei,
Ke Chen
Abstract:To accurately identify the structural noise problem caused by vibration in the cockpit, an experimental study was conducted on a certain type of SUV under uniform acceleration conditions. Based on the planning of the multi-body system dynamics model, a transfer path model with secondary contributions is constructed, and the load is identified using the single degree of freedom model and multi-frequency bandwidth model under the OPAX method based on this path. The results indicate that the second-order vibratio… Show more
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