Table 2 Natural frequencies of the first ten modes for the cantilever beam
Mode | Natural frequencies | |
|---|---|---|
Enhanced solid element | Beam element | |
\(1-2\) (bending) | \(4.97\times 10^{-2}\) | \(5.08\times 10^{-2}\) |
3 (torsion) | \(2.16\times 10^{-1}\) | – |
\(4-5\) (bending) | \(2.75\times 10^{-1}\) | \(3.19\times 10^{-1}\) |
6 (torsion) | \(6.54\times 10^{-1}\) | – |
\(7-8\) (bending) | \(6.71\times 10^{-1}\) | \(7.80\times 10^{-1}\) |
9 (axial) | \(7.90\times 10^{-1}\) | \(7.91\times 10^{-1}\) |