Hi,

Guys, I have a doubt on fatigue analysis cycle.
Please go through as per below link.

whatispiping fatigue analysis

http://www.whatispiping.com/case-study-for-fatigue-analysis

can you please tell me how they are calculating the load cycle values for the worst-case combination.?

Someone intimately familiar with the process or operation of the equipment should recommend how many fluctuations to expect.

Alternatively, the stress analyst entity and end user can agree to speculative values, at the end-user's request.