Research Article
Free Vibration of a Perfectly Clamped-Free Beam with Stepwise Eccentric Distributed Masses
Table 6
Natural frequencies found by FEA for concentrated mass loads.
| | Mode | Uniform beam | Beam with stepped load | | [Hz] | Scenario | [Hz] |
| | 1 | 4.08986 | G | 4.08963 | | H | 4.08963 | | I | 4.08961 | | J | 4.08979 | | K | 4.08947 | | L | 4.08993 |
| | 2 | 25.62655 | G | 25.62894 | | H | 25.62506 | | I | 25.61647 | | J | 25.64190 | | K | 25.58856 | | L | 25.65777 |
| | 3 | 71.75447 | G | 71.79798 | | H | 71.73294 | | I | 71.60898 | | J | 71.96386 | | K | 71.32889 | | L | 72.09396 |
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