In this work, the transmission loss of a Helmholtz resonator is maximized (optimized) by allowing the resonator end plate thickness to vary for two cases: (1) a nonoptimized baseline resonator and (2) a resonator with a uniform flexible endplate that was previously optimized for transmission loss and resonator size. To accomplish this, receptance coupling techniques were used to couple a finite element model of a varying thickness resonator end plate to a mass-spring-damper model of the vibrating air mass in the resonator. Sequential quadratic programming was employed to complete a gradient-based optimization search. By allowing the end plate thickness to vary, the transmission loss of the nonoptimized baseline resonator was improved significantly, 28%. However, the transmission loss of the previously optimized resonator for transmission loss and resonator size showed minimal improvement.
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June 2019
Technical Briefs
Tailoring Plate Thickness of a Helmholtz Resonator for Improved Sound Attenuation
Mohammad Kurdi,
Mohammad Kurdi
Power Transmission Division,
Lufkin Industries, LLC,
Part of GE Oil and Gas,
Wellsville, NY 14895
e-mail: mkurdi@ford.com
Lufkin Industries, LLC,
Part of GE Oil and Gas,
Wellsville, NY 14895
e-mail: mkurdi@ford.com
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Shahin Nudehi,
Shahin Nudehi
Mechanical Engineering Department,
Valparaiso University,
Valparaiso, IN 46383
e-mail: shahin.nudehi@valpo.edu
Valparaiso University,
Valparaiso, IN 46383
e-mail: shahin.nudehi@valpo.edu
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Gregory Scott Duncan
Gregory Scott Duncan
Mechanical Engineering Department,
Valparaiso University,
Valparaiso, IN 46383
e-mail: scott.duncan@valpo.edu
Valparaiso University,
Valparaiso, IN 46383
e-mail: scott.duncan@valpo.edu
Search for other works by this author on:
Mohammad Kurdi
Power Transmission Division,
Lufkin Industries, LLC,
Part of GE Oil and Gas,
Wellsville, NY 14895
e-mail: mkurdi@ford.com
Lufkin Industries, LLC,
Part of GE Oil and Gas,
Wellsville, NY 14895
e-mail: mkurdi@ford.com
Shahin Nudehi
Mechanical Engineering Department,
Valparaiso University,
Valparaiso, IN 46383
e-mail: shahin.nudehi@valpo.edu
Valparaiso University,
Valparaiso, IN 46383
e-mail: shahin.nudehi@valpo.edu
Gregory Scott Duncan
Mechanical Engineering Department,
Valparaiso University,
Valparaiso, IN 46383
e-mail: scott.duncan@valpo.edu
Valparaiso University,
Valparaiso, IN 46383
e-mail: scott.duncan@valpo.edu
1Present address: Ford Motor Company, Dearborn, MI 48126.
2Corresponding author.
Contributed by the Noise Control and Acoustics Division of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received September 16, 2018; final manuscript received January 2, 2019; published online February 13, 2019. Assoc. Editor: Ronald N. Miles.
J. Vib. Acoust. Jun 2019, 141(3): 034502 (5 pages)
Published Online: February 13, 2019
Article history
Received:
September 16, 2018
Revised:
January 2, 2019
Citation
Kurdi, M., Nudehi, S., and Duncan, G. S. (February 13, 2019). "Tailoring Plate Thickness of a Helmholtz Resonator for Improved Sound Attenuation." ASME. J. Vib. Acoust. June 2019; 141(3): 034502. https://doi.org/10.1115/1.4042519
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