Vibro-Acoustic Analysis of a Spherical Joint Using FEM
Keywords:
vibro-acoustics using FEM, spherical joint, dynamic response
Abstract
Vibro-Acoustic analysis gives the possibility of obtaining the level of sound pressure depending on the frequency, as well as the evaluation of the acoustic pressure in a point of interest.
The monitoring can be done using a microphone placed in an area of acoustic sensitivity.
This paper highlights the possibility of monitoring the level of acoustic pressure in the vicinity of some structural elements that can vibrate under the action of external excitations.
The studied assembly is a spherical joint. All the changes in the acoustic pressure level on the control direction of this assembly can indicate structural changes at the level of the monitored joint, thus highlighting possible defects.
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References
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[2]. Aussal M., Alouges F., Bakry M., Serre G., FEM-BEM applications in vibro-acoustics using GYPSLAB, Proceedings of the 23rd International Congress on Acoustics, Aachen, Germany, 9-13 September 2019.
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[2]. Aussal M., Alouges F., Bakry M., Serre G., FEM-BEM applications in vibro-acoustics using GYPSLAB, Proceedings of the 23rd International Congress on Acoustics, Aachen, Germany, 9-13 September 2019.
[3]. Muhammad Aliff, AZIZI, Simulation of Acoustic Pressure Field Generated by Ultrasonic Transducer, University of Queensland, 30 May 2019.
[4]. Boazu D., The Influence of Small Clearances in the Spherical Joints of the Systems on their Dynamic Response, The Annals of “Dunarea de Jos” University of Galati Fascicle V, Technologies in Machine Building, ISSN 2668-4829 (Print) 2668-4888 (Online), p. 11-18.
[5]. Jhabindra Prasad Ghimire, Numerical investigation of noise generation and radiation from modular bridge expansion joint, Doctoral thesis, Department of Civil and Environmental Engineering, Graduate School of Science and Engineering, Saitama University September, 2008.
[6]. Khan M. S., Cai C., Hung K. C., Acoustics Field and Active Structural Acoustic Control Modeling in ANSYS, https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.470.9406&rep=rep1&type=pdf.
[7]. Carl Q. Howard, Benjamin S. Cazzolato, Acoustic Analyses Using MATLAB® and ANSYS, CRC Press, Taylor and Francis Group, International Standard Book Number-13: 978-1-4822-2327-9 (eBook - PDF).
[8]. Timo Ojanen, Aero-vibro acoustic simulation of an ultrahighspeed elevator, Master of Science thesis, Tampere University, Faculty of Engineering Sciences on 12th August 2015.
[9]. Marco Oswald, Sandeep Sovani, Aero-Vibro-Acoustics for Wind Noise Application, DAGA 2015, Nurnberg.
[10]. Raffaele Panzella, Advanced Finite Element Method for the Vibro-Acoustic Response of Plate-cavity Systems, Master degree thesis, Politecnico di Torino, Department of Mechanical and Aerospace Engineering, April 2020.
[11]. ***, Acoustics User’s Guide, Siemens Company, https://docs.plm.automation.siemens.com/data_services/resources/scnastran/2019_1/help/tdoc/en_US/pdf/acoustic.pdf.
[12]. ***, Ansys Workbench, version 19.2 documentation.
Published
2022-12-15
How to Cite
1.
BOAZU D. Vibro-Acoustic Analysis of a Spherical Joint Using FEM. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Dec.2022 [cited 26Dec.2024];45(4):20-8. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/5814
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