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4 cards from this section. Quick, good the night before a test.
What is the definition of transmissibility?
Think about how much vibration comes out compared to what goes in.
In which zone is the transmissibility less than 1?
Remember, it's about effective reduction of vibrations.
What is transmissibility?
Think about how vibrations are transferred in a system.
If the frequency ratio r is less than √2, what type of zone is this?
Consider what happens to the vibration amplitude in this zone.
A vibration system has an input amplitude of 5 mm, and the output amplitude is 1 mm. Calculate transmissibility and determine if the system is effective or amplifying.
Use the formula T = output/input.
Describe a scenario where the frequency ratio is fixed, but output amplitude suddenly increases. What design considerations should be made?
Think about how to shift the vibrations away from the current operating point.
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