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Random Vibration Strength Assessment

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Lee.Conti

Lee.Conti

Automotive
Joined
Nov 8, 2019
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87
Location
SG
Hi,

I have been running MSUP random vibration and take the maximum stress against material strength. If the peak stress is higher than the yield limit, I wonder if I can use nominal stress like what I did in static analysis to compare with material strength?

Or it is supposed to do random vibration fatigue when one performs random vibration?
 
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If you are dealing with fatigue, your risk of failure is determined by the peak stress and the allowable fatigue stress.
 
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