Piping Vibration Fatigue Risk Assessment

Vibration is not really what we want to thoroughly assess piping vibration risk –we should instead use mechanical stress range and load cycles to estimate the risk for vibration fatigue. There is an established methodology where mechanical stress range is assessed with respect to fatigue risk with the help of so called SN-data, where S signifies Stress range (Pk-Pk) and N is the Number of load cycles. A combination of stress ranges and load cycles can be added together using Miner’s rule to assess fatigue risk and estimate a pipe’s lifetime. Link Given this, why do we measure...

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