NDLI: Passive Periodic Engine Mount

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Zheng, Ling Jung, Woojin Gu, Zheng Baz, A.
Copyright Year	2008
Abstract	The transmission of automotive engine vibrations to the chassis is isolated using a new class of mounts which rely in their operation on optimally designed and periodically distributed viscoelastic inserts. The proposed mount acts as mechanical filter for impeding the propagation of vibration within specific frequency bands called the ‘Stop Bands’. The spectral width of these bands is enhanced by making the viscoelastic inserts operate in a shear mode rather than compression mode. The theory governing the operation of this class of periodic mounts is presented using the theory of finite elements combined with the transfer matrix approach. The predictions of the performance of the mount are validated against the predictions of the commercial finite element code ANSYS and against experimental results obtained from prototypes of plain and periodic mounts. The obtained results demonstrate the feasibility of the shear mode periodic mount as an effectiveness means for blocking the transmission of vibration over a broad frequency band. Extending the effective width of the operating frequency bands of this class of mount through active control means is the ultimate goal of this study.
Sponsorship	Design Engineering Division and Computers in Engineering Division
Starting Page	607
Ending Page	612
Page Count	6
File Format	PDF
ISBN	9780791843291
DOI	10.1115/DETC2008-49523
e-ISBN	0791838315
Volume Number	Volume 5: 13th Design for Manufacturability and the Lifecycle Conference; 5th Symposium on International Design and Design Education; 10th International Conference on Advanced Vehicle and Tire Technologies
Conference Proceedings	ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2008-08-03
Publisher Place	Brooklyn, New York, USA
Access Restriction	Subscribed
Subject Keyword	Compression Filters Vibration Electromagnetic spectrum Finite element analysis Automotive engines Shear (mechanics) Engineering prototypes Engines
Content Type	Text
Resource Type	Article

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