Chapter
Apr 26, 2012
A Numerical Method for Analyzing the Low-Frequency Noise of Bridge under Vehicle Load
Authors: Yong Ding [email protected], Xu Xie, Hui Li, and Jianyuan HuangAuthor Affiliations
Publication: International Conference on Transportation Engineering 2009
Abstract
A numerical method is developed to analyze the low-frequency noise of bridge under vehicle load. It is divided into two sections: (1) the analysis of vehicle-bridge interaction system based on finite element method (FEM), when the bridge is modeled by shell element and vehicle is modeled by a theoretical model with four degrees of freedom; (2) the numerical method to predict the low-frequency noise caused by bridge vibration, when the sound pressure is derived using the theory of acoustics and Fast Fourier Transform (FFT) technology. As an example, the low-frequency noise of a practical bridge is investigated. The numerical results are compared with the measured data in experiments, which indicate the validity of the current method. Finally, the influence of road surface roughness is discussed.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Bridge engineering
- Bridge management
- Bridge-vehicle interaction
- Continuum mechanics
- Design (by type)
- Dynamic loads
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Environmental engineering
- Finite element method
- Load factors
- Methodology (by type)
- Models (by type)
- Noise pollution
- Numerical analysis
- Numerical methods
- Numerical models
- Pollution
- Solid mechanics
- Structural design
- Structural dynamics
- Structural engineering
- Vehicle loads
Authors
Affiliations
Department of Civil Engineering, Ningbo University, Ningbo, P.R. China and Department of Civil Engineering, Zhejiang University, Hangzhou, P.R. China and 50#, Ningbo University, Ningbo, 315211, P.R. China. E-mail: [email protected]
Xu Xie
Department of Civil Engineering, Zhejiang University, Hangzhou, P.R. China
Hui Li
Department of Civil Engineering, Ningbo University, Ningbo, P.R. China
Jianyuan Huang
Department of Civil Engineering, Ningbo University, Ningbo, P.R. China
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