Natural frequency 1

[Findork]

How to calculate or define natural frequency of 6mm steel pipe? Wall thickness 1mm. Pipe is about 400mm long. Steel st37

 

[FEA way]

What are the boundary conditions ? Is that a cantilever beam or are the supports different ? You could use analytical equations from the literature or run a simple FEA.

 

[Findork]

Thanks for reply. Can you point where I find literature?

 

[FEA way]

You can find a few formulas for natural frequencies in Roark's Formulas for Stress and Strain. For more, check "Formulas for Natural Frequency and Mode Shape" by R.D. Blevins.