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Mathematical Problems in Engineering
/
2020
/
Article
/
Tab 1
/
Research Article
Free Vibration and Static Bending Analysis of Piezoelectric Functionally Graded Material Plates Resting on One Area of Two-Parameter Elastic Foundation
Table 1
The comparison of first natural frequencies (Hz) with different methods and meshes.
Mode
Method
Mesh
n
0
0.2
0.5
1
5
15
1000
1
Authors [
51
]
—
144.2
168.7
185.4
198.9
230.4
247.3
261.7
Authors [
56
]
—
145.3
169.2
186.2
200.5
233.0
250.3
265.1
Present FE solution
4 × 4
146.1
170.6
175.5
201.7
233.8
250.7
265.1
6 × 6
145.4
169.8
186.6
200.7
232.5
249.4
263.8
8 × 8
145.4
169.8
186.6
200.6
232.4
249.3
263.7
10 × 10
145.4
169.8
186.6
200.6
232.4
249.3
263.7
12
×
12
145.4
169.8
186.6
200.6
232.4
249.3
263.7