DEVELOPMENT OF ACOUSTIC ANALYSIS METHOD USING FINITE ELEMENT METHOD AND ITS AURALIZATION

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  • 有限要素法による音場解析手法の構築とその可聴化

Abstract

<p>This paper presents a noise evaluation system based on the finite element method using impulse response analysis and its auralization. The time-variant convolution is employed to treat the moving source problem such as traffic noise. The PML boundary condition is employed to treat the open boundary condition. The system exposes to users the computed noise level with both the auditory information using sound source signal and the visual information using CG image. The present system is applied to the construction noise and traffic noise problems with various type of sound insulation wall. The computed results are compared with the measurement results in VR space.</p>

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