Resonance has been responsible for some of the most spectacular failures in industry, from common site components such as motors and pumps through to massive structures such as bridges (see Tacoma Narrows Bridge).
In rotating equipment, resonant frequency events can occur as a result of natural balance variations, making resonant frequency concerns an ever present risk.
Whilst detectable by vibration analysis stopping the problem permanently isn’t always easy.
Altering the machine to change the resonant frequency, without engineering understanding, can be “hit or miss”, where the changes may not be effective or even can make things worse.
The alternative to “hit or miss” is using Finite Element Analysis (FEA) to test many possible modifications and determine the most effective and practical.
In this article:
- The challenge
- Our approach
- Site results
- FEA results
- Our reliability team
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As a multidiscipline engineering services provider, ALS possesses the skills and expertise to verify that equipment has been fabricated to the client’s specification.
For further information or to enquire about services please contact us.