Dear All
I have a problem with dynamic analysis for existing crude pump, I have some question.
1.for Anysis the pump what is important point?
2.What is the type of analysis is to be exactly for this
anlysis.and what information is need to used for analysis.
3.Now, I have to used modal in anysis(but I don't understand about mode shape and frequncy cut off selection. after analysis I saw the output report it shown many frequncy So,
I don't know which mode shape that I used to compare with the pump.

plase advice me to correct method.
(If posible plese advice me step by step)
thank you very much for every your reply

Limousine