A Hybrid Approach for the Assessment of Paths in Pass-by Maneuver

Danti, Marco; Biasiolo, Massimo; Amodeo, Domenico; Nenno, Gianluca Di

doi:10.4271/2020-01-1550

SAE Technical Paper Series 2020

DOI: 10.4271/2020-01-1550

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A Hybrid Approach for the Assessment of Paths in Pass-by Maneuver

Marco Danti

Massimo Biasiolo

Domenico Amodeo

et al.

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2022

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An Improved Time-Domain Equivalent Source Method for Accurate Indoor Simulation of Pass-By Noise

Liu¹,

Zhang

2022

Journal of Vibration and Acoustics

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Time-domain equivalent source method (TDESM) has been employed for indoor simulation of pass-by noise (PBN). Despite removing the requirement of dedicated large semi-anechoic chambers for the microphone array technique, it is still difficult to obtain high simulation accuracy due to the existence of signal splicing error and ill-consideration of Doppler effect induced by the vehicle motion. In this paper, the TDESM is developed to improve the simulation accuracy of PBN. Unlike the previous TDESM, the improved TDESM (I-TDESM) models the PBN by superposing the contributions of an array of moving equivalent sources, which can take the influence of vehicle motion into account. The PBN at the receivers can be directly reconstructed via the sound field calculation of moving sources. Numerical studies and real vehicle experiments are implemented to demonstrate the feasibility of the I-TDESM. Simulation results show that the I-TDESM can naturally incorporate the Doppler effect and effectively eliminate the signal splicing error, thus improving the simulation accuracy. The experiment results of real vehicle further validate the I-TDESM.

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An Improved Time-Domain Equivalent Source Method for Accurate Indoor Simulation of Pass-By Noise

Liu¹,

Zhang

2022

Journal of Vibration and Acoustics

View full text Add to dashboard Cite

show abstract

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A Hybrid Approach for the Assessment of Paths in Pass-by Maneuver

Cited by 1 publication

References 3 publications

An Improved Time-Domain Equivalent Source Method for Accurate Indoor Simulation of Pass-By Noise

An Improved Time-Domain Equivalent Source Method for Accurate Indoor Simulation of Pass-By Noise

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