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Impact of Mode Shapes on Experimental Loss Factor Estimation in Automotive Joints Loughborough University
- Format:
- Book
- Conference/Event
- Author/Creator:
- Sanjeev, Shaan, author.
- Conference Name:
- Noise and Vibration Conference & Exhibition (2021-09-07 : Grand Rapids & Online, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2021
- Summary:
- This paper presents the experimental work carried out on single-lap joints fastened together with bolts and nuts to investigate the contribution of mode shapes, and the effect of bolt size have in dissipating energy in built-up structures. Five different bolt sizes are chosen to assemble five single-bolted single-lap joints using aluminium plates. An analogous monolithic solid piece carved from the same aluminium material is used to determine the material damping and compare it against the damping from bolted joints. The dynamic response of all structures is captured under free-free boundary conditions, and the common modes are analysed to understand the contribution and primary source of damping in the same range of sampling frequency. This investigation has revealed that the source of damping in the joints is heavily linked to the mode shapes of the structure and structural damping contributes more during specific mode shapes compared to the joint damping itself
- Notes:
- Vendor supplied data
- Publisher Number:
- 2021-01-1110
- Access Restriction:
- Restricted for use by site license
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