This paper presents a traffic noise evaluation system based on acoustic theory. The finite element method is employed for unsteady wave equations, which is suitable for arbitrary shapes and has excellent applicability to non-uniform materials. The 3D wave equation is employed for the governing equation and the Perfectly Matched Layer (PML) method is utilized as a treatment method for boundary condition. In order to consider multiple moving sound sources such as a traffic noise, a time-variant convolution method is introduced. The auralization method based on VR technology is also introduced to understand the noise level intuitively

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Published on 01/07/24
Accepted on 01/07/24
Submitted on 01/07/24

Volume Fluid Dynamics and Transport Phenomena, 2024
DOI: 10.23967/wccm.2024.048
Licence: CC BY-NC-SA license

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