Abstract
Tuned mass dampers (TMDs) are widely used in passive vibration control, and have been implemented on many engineering structures. In general, the design of TMDs is unique to each application; the choice of damping material and its in-situ performance are key issues that can affect design and prototyping costs. The present contribution demonstrates that TMDs can be built using ubiquitous and low-cost elastomeric O-rings. It is shown that the damping and stiffness characteristics of the O-ring can be predicted a priori, in order to achieve an initial design that is fit for purpose. Furthermore, it is shown that the nonlinear characteristics of the O-ring enable the device to be easily tuned in-situ, in order to optimise the final system. Finally, the simple configuration of the device makes it well suited to through-mounting or surface-mounting on thin-walled flexible structures such as beams and plates.
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