VIRTUAL ANALYSIS OF EFFECT OF DAMPING IN DIFFERENT MATERIAL LAYERED BEAM USING STRUCTURAL JOINTS
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 2015, Vol 4, Issue 12
Abstract
In Engineering Vibration and noise reduction are crucial in maintaining high performance level and prolong use. Structures are generally fabricated using a variety of shear connectors such as bolts, rivets, etc. The joints play a significant role in the overall system behaviour. Particularly the damping level of the structures occurs due to energy release due to micro slip along frictional interface between two surfaces, and also because of varying strain region. Some parameter such as end condition, type of joints , number of joints used in structure play significant role in structural vibration analysis. This work was carried out to study effect of number of joints and thickness of layer on material damping with particular end condition. Analysis was carried on various combination of number of bolts and rivets with Aluminium and Mild Steel beam. Using FEA model, natural frequency of various combinations of structural joints was calculated. Various simulations were performed in SOLIDWORKs. The natural frequencies, logarithmic decrement and damping factor of riveted and bolted joints were calculated. The evaluated theoretical and simulation results were utilised for comparison.
Authors and Affiliations
Sagar A. Dhotare
Keywords
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