Research Article
Isogeometric Analysis for Active Control of Piezoelectric Functionally Graded Plates in Thermal Environment
Table 2
The first six natural frequencies (Hz) of the plate with different mesh levels.
| | Mode | Method | n | | 0 | 1 | 5 | ∞ |
| | 1 | IGA (12 × 12) | 205.88 | 177.95 | 167.74 | 150.99 | | IGA (16 × 16) | 205.88 | 177.95 | 167.74 | 150.99 | | IGA (18 × 18) | 205.88 | 177.95 | 167.74 | 150.99 | | [13] | 207.02 | 178.93 | 168.45 | 151.51 |
| | 2/3 | IGA (12 × 12) | 514.26 | 444.50 | 418.95 | 377.12 | | IGA (16 × 16) | 514.24 | 444.48 | 418.94 | 377.11 | | IGA (18 × 18) | 514.24 | 444.48 | 418.94 | 377.11 | | [13] | 518.72 | 448.52 | 422.18 | 379.88 |
| | 4 | IGA (12 × 12) | 822.06 | 710.55 | 669.66 | 602.82 | | IGA (16 × 16) | 822.04 | 710.54 | 669.64 | 602.81 | | IGA (18 × 18) | 822.04 | 710.54 | 669.64 | 602.81 | | [13] | 826.56 | 714.49 | 672.57 | 604.99 |
| | 5/6 | IGA (12 × 12) | 1027.20 | 887.86 | 836.70 | 753.22 | | IGA (16 × 16) | 1026.99 | 887.71 | 836.56 | 753.09 | | IGA (18 × 18) | 1026.97 | 887.68 | 836.54 | 753.07 | | [13] | 1038.50 | 898.23 | 845.34 | 760.93 |
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