Research Article
Application of Energy Finite Element Method in Active Vibration Control of Piezoelectric Intelligent Beam
Table 2
Natural frequency of the system before and after the patch of piezoelectric elements.
| | Mode number | 1 | 2 | 3 | 4 | 5 |
| | Natural frequency of host beam (wave theory)/Hz | 13.55 | 84.94 | 237.8 | 466.1 | 770.4 | | Natural frequency of host beam (FEM)/Hz | 13.55 | 84.94 | 237.8 | 465.9 | 770.2 | | Natural frequency of piezoelectric beam (FEM)/Hz | 15.25 | 92.19 | 250.7 | 480.4 | 784.2 |
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