Browse Publications Technical Papers 2013-01-1964
2013-05-13

Interior Noise Analysis and Prediction of a Tractor Cabin with Emphasis on Correlations with Experimental Data 2013-01-1964

Tractor operators prefer to drive more comfortable tractors in the recent years. Thus, tractors optimized for noise and vibration aspects are found to have a better acceptance by the market. This study comprises the correlation and verification of low frequency acoustic performance of a tractor cabin and development for interior noise. In order to correlate the model, finite element analyses and tests were performed simultaneously in order to update the model in accordance. Low and high frequency ranges have been covered. Upon completion of the finite element model, data from tests were used to update the model and acoustic responses for low frequency range (20-200 Hz) were recovered. Then, results from analysis were compared against the subjective comments and objective levels. With the help of this work, a methodology for correlating complex models with local information was developed. Finally, several tests have been performed to improve high frequency interior noise of the tractor cabin.

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