Current Search: DESAI, VIJAY R. (x)
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Title
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A STUDY OF FRICTION DAMPING AS APPLIED TO VIBRATING STRUCTURES.
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Creator
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DESAI, VIJAY R., Florida Atlantic University, Cuschieri, Joseph M.
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Abstract/Description
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Of the many methods of introducing damping in vibrating structures, the dissipation of energy due to interfacial slip can significantly increase the damping loss factor. However, because of the lack of understanding and other phenomena such as fretting corrosion and loss of structural rigidity, friction damping is rarely used. A study was thus undertaken to investigate this complex phenomenon, with emphasis on trying to gain a better understanding of friction damping with certain parameters...
Show moreOf the many methods of introducing damping in vibrating structures, the dissipation of energy due to interfacial slip can significantly increase the damping loss factor. However, because of the lack of understanding and other phenomena such as fretting corrosion and loss of structural rigidity, friction damping is rarely used. A study was thus undertaken to investigate this complex phenomenon, with emphasis on trying to gain a better understanding of friction damping with certain parameters such as clamping pressure, frequency, magnitude of excitation and surface finish. Although the non-linearities associated with friction makes this mechanism difficult to model mathematically, finite element (FE) analysis shows some promise. Although the results obtained using an FE model were not exactly comparable to the experimental results, these analytical results did show the same general trends as observed in the experiments.
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Date Issued
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1987
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PURL
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http://purl.flvc.org/fcla/dt/14369
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Subject Headings
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Damping (Mechanics), Vibration
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Format
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Document (PDF)
