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All structures exhibit a resonant frequency and are prone to vibrate when subjected to oscillating loads. This load can come from a range of sources, including wind, airborne sound, rotational frequency of motors/gears/driveshafts, road surfaces, etc. The resulting vibration can lead to early failure from fatigue, noise and wear – all of which are detrimental to the performance of the product.
The susceptibility of a specific component to resonate will depend, not only on the component geometry and load frequency, by also the choice of material – with the density, stiffness and inherent damping level all influencing the frequently at which resonance will occur and the magnitude of the resulting oscillation. As vibration is a characteristic of the full component system, issues are often picked up late in the development cycle, often necessitating expensive corrective action.
In this session, we will show how the vibration characteristics of materials can be considered in the early stages of development, and will utilise the new vibration indices added to the Performance Index Finder for CES Selector 2019.