Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side

The determination of the acoustic pressure by a vibrating structure from velocities needs a great amount of measurements and calculations and the direct use of complete formulation is not possible in industrial situations. The present paper proposes to calculate the radiated acoustic pressure by u...

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Main Authors: G. LOVAT, J.L. BARBRY, T. LOYAU
Format: Article
Language:English
Published: Institute of Fundamental Technological Research Polish Academy of Sciences 2014-01-01
Series:Archives of Acoustics
Online Access:https://acoustics.ippt.pan.pl/index.php/aa/article/view/1002
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author G. LOVAT
J.L. BARBRY
T. LOYAU
author_facet G. LOVAT
J.L. BARBRY
T. LOYAU
author_sort G. LOVAT
collection DOAJ
description The determination of the acoustic pressure by a vibrating structure from velocities needs a great amount of measurements and calculations and the direct use of complete formulation is not possible in industrial situations. The present paper proposes to calculate the radiated acoustic pressure by using velocity measurements and a simple software based on the monopoles distribution concept. The theoretical basis of the calculation is only available for a vibrating plate located in a rigid baffle. Nevertheless, this simple formulation is used in the case of a rectangular box with a single vibrating side with and without baffle. The good agreement between experimental and theoretical results in this case allows us to use such a methodology for 3D structures with a pressure signal as reference signal.
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language English
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publisher Institute of Fundamental Technological Research Polish Academy of Sciences
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series Archives of Acoustics
spelling doaj-art-84631ec57e8e438c930e4191e3c2cec32025-08-20T02:39:19ZengInstitute of Fundamental Technological Research Polish Academy of SciencesArchives of Acoustics0137-50752300-262X2014-01-01213Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating sideG. LOVATJ.L. BARBRYT. LOYAUThe determination of the acoustic pressure by a vibrating structure from velocities needs a great amount of measurements and calculations and the direct use of complete formulation is not possible in industrial situations. The present paper proposes to calculate the radiated acoustic pressure by using velocity measurements and a simple software based on the monopoles distribution concept. The theoretical basis of the calculation is only available for a vibrating plate located in a rigid baffle. Nevertheless, this simple formulation is used in the case of a rectangular box with a single vibrating side with and without baffle. The good agreement between experimental and theoretical results in this case allows us to use such a methodology for 3D structures with a pressure signal as reference signal.https://acoustics.ippt.pan.pl/index.php/aa/article/view/1002
spellingShingle G. LOVAT
J.L. BARBRY
T. LOYAU
Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
Archives of Acoustics
title Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
title_full Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
title_fullStr Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
title_full_unstemmed Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
title_short Calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements. Part 1: Evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
title_sort calculation of the acoustic radiation of a parallelepipedic structure by using acceleration measurements part 1 evaluation of inaccuracies attached to the simplifications of the model in the case of a single vibrating side
url https://acoustics.ippt.pan.pl/index.php/aa/article/view/1002
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AT jlbarbry calculationoftheacousticradiationofaparallelepipedicstructurebyusingaccelerationmeasurementspart1evaluationofinaccuraciesattachedtothesimplificationsofthemodelinthecaseofasinglevibratingside
AT tloyau calculationoftheacousticradiationofaparallelepipedicstructurebyusingaccelerationmeasurementspart1evaluationofinaccuraciesattachedtothesimplificationsofthemodelinthecaseofasinglevibratingside