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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Why does ansys repeat natural frequencies? › Reply To: Why does ansys repeat natural frequencies?

November 1, 2021 at 12:33 pm
hollow4444
Subscriber
Hey Vigneshwar Would you be able to assist with a quick fix?
Im doing this assessemnt due tomorrow evening and was wondering if i could fix it relatively quickly.

I have taken 1) 4 Nodes and recieved the same repeats.
2) i took 6 Nodes and still received the same repeats.

I need to compare the First 4 Natural frequencies with Ansys and analytical method.

Using analytical method(Roarks Formula) i get the first 4 Frequencies as :