Prediction of the Interior Noise of the Head Car of 400 km/h High-Speed Train

Abstract

With the continuous improvement of train running speed, more attention has been paid to the ride comfort in high-speed trains. In this paper, the FE-SEA method is used to establish a model of the head car of a high-speed train. The noise results are obtained by applying 350 km/h excitation data to the model, which is compared with the test data to verify the accuracy of the model. By fitting and extrapolating the test data of sound source, the 400 km/h interior noise prediction results are obtained, which provides technical support for the design of 400 km/h high-speed train.