Damping Improvement of a Cantilever Beam using Two Patches of Tubes Fluidic Flexible Matrix Composite
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2019, Vol 9, Issue 5
Abstract
Fluidic Flexible Matrix Composite (F2MC) tubes are promising fiber reinforced tubes, they can passively provide damping and vibration absorption. This study focuses on analyzing F2MC tube’s response to add damping to cantilever structures. A novel cantilever beam vibration absorber encompassing different models of a patch of F²MC tubes has been examined. A new mathematical model was performed for a system that composed of two short patches instead of one, bonded in various positions on the beam. The study extracted transfer functions of reduced mathematical models of the beam into MATLAB® software. It focused on the amplitude and frequency of resonance of mode shapes. The results demonstrated that F2MC tubes that composed of two layers of composite fiber reinforced layers from inside reduced the first mode amplitude by 12.12dB. Whereas, increasing the number of patches reduced the first resonance amplitude by 11.12dB. Through comparing the integration of two patches with one patch, single tube is more powerful than a couple of tubes, it gains a reduction of 14dB in First mode shape amplitude. Depending on the above results the study utilized a reduction in both amplitude and frequency of resonance by 20.7dB and 53Hz in FRF plot, respectively.
Authors and Affiliations
Shiren O. Muhammad, Nazhad A Hussain
Keywords
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- EP ID EP671652
- DOI 10.24247/ijmperdoct201925
- Views 100
- Downloads 0
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