An experimental investigation carried out on a luxury sedan door observed the effect of making small changes to trim boundary conditions by removing and replacing a series of small polymer clips that held the trim to the aluminium door. Structural testing was carried out by exciting the system with a shaker and recording the response with accelerometers placed at three different locations about the door. Acoustic response measurements were also taken with the use of a sound intensity probe. The study found that the removal of even a single clip could vary the response significantly for certain clip locations. The spread of structural data was also found to range by more than 15 dB for certain frequency bands. Similar large deviations were observed for the noise transfer response measurements. This is significantly large spread of data for what might be perceived as a relatively small change to the structure, highlighting the importance of reduced variability at material joints.
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ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018
August 26–29, 2018
Chicago, Illinois, USA
Conference Sponsors:
- Noise Control and Acoustics Division
ISBN:
978-0-7918-5142-5
PROCEEDINGS PAPER
A Study on How Small Changes to Vehicle Panel Boundary Conditions Vary the Overall System Response
Amy Dowsett,
Amy Dowsett
Loughborough University, Loughborough, UK
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Dan J. O’Boy,
Dan J. O’Boy
Loughborough University, Loughborough, UK
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Stephen J. Walsh,
Stephen J. Walsh
Loughborough University, Loughborough, UK
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Steve Fisher
Steve Fisher
Jaguar Land Rover, Gaydon, UK
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Amy Dowsett
Loughborough University, Loughborough, UK
Dan J. O’Boy
Loughborough University, Loughborough, UK
Stephen J. Walsh
Loughborough University, Loughborough, UK
Steve Fisher
Jaguar Land Rover, Gaydon, UK
Paper No:
NCAD2018-6126, V001T08A005; 6 pages
Published Online:
October 10, 2018
Citation
Dowsett, A, O’Boy, DJ, Walsh, SJ, & Fisher, S. "A Study on How Small Changes to Vehicle Panel Boundary Conditions Vary the Overall System Response." Proceedings of the ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018. ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018. Chicago, Illinois, USA. August 26–29, 2018. V001T08A005. ASME. https://doi.org/10.1115/NCAD2018-6126
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