Research Article
An Efficient Spectral Element Model with Electric DOFs for the Static and Dynamic Analysis of a Piezoelectric Bimorph
Table 2
Natural frequencies for the bimorph plate in close circuit (Hz).
| | Modes | 1 | 2 | 3 | 4 | 5 | 6 |
| | 3D FE | 5989 | 14938 | 23276 | 26091 | 34035 | 49112 | | Present () | 6191 | 14168 | 23862 | 27578 | 32854 | 50158 | | Error (%) | 3.37 | 5.15 | 2.52 | 5.70 | 3.47 | 2.13 | | Present () | 6187 | 14179 | 23938 | 27578 | 32776 | 50668 | | Error (%) | 3.31 | 5.08 | 2.84 | 5.70 | 3.70 | 3.17 |
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