Research Article
Free Vibration Analysis of the Unified Functionally Graded Shallow Shell with General Boundary Conditions
Table 4
Frequency parameters
for Al/ZrO
2 plate with various boundary constraints, varying geometric parameters, and gradient power-law exponent
(
).
| BC | | | Method | | | | | | | |
| SSSS | 1 | 0.1 | Present | 5.7693 | 5.1932 | 4.9504 | 4.7750 | 4.6315 | 4.5071 | 4.1352 | [57] | 5.7693 | 5.1932 | 4.9504 | 4.7750 | 4.6315 | 4.5071 | 4.1353 | 0.02 | Present | 5.9647 | 5.3631 | 5.1135 | 4.9382 | 4.7988 | 4.6710 | 4.2753 | [57] | 5.9647 | 5.3631 | 5.1135 | 4.9382 | 4.7988 | 4.6710 | 4.2753 | 2 | 0.1 | Present | 14.6070 | 13.1429 | 12.5296 | 12.0910 | 11.7358 | 11.4215 | 10.4698 | 0.02 | Present | 14.9198 | 13.4149 | 12.7906 | 12.3523 | 12.0040 | 11.6844 | 10.6940 |
| CCCC | 1 | 0.1 | Present | 9.8425 | 8.8831 | 8.4665 | 8.1474 | 7.8691 | 7.6511 | 7.0548 | 0.02 | Present | 10.8410 | 9.7492 | 9.2954 | 8.9754 | 8.7198 | 8.4872 | 7.7705 | 2 | 0.1 | Present | 27.5886 | 24.8797 | 23.7153 | 22.8390 | 22.0870 | 21.4798 | 19.7746 | 0.02 | Present | 29.6598 | 26.6713 | 25.4299 | 24.5558 | 23.8588 | 23.2228 | 21.2592 |
| CSCS | 1 | 0.1 | Present | 8.0703 | 7.2786 | 6.9375 | 6.6802 | 6.4591 | 6.2816 | 5.7845 | 0.02 | Present | 8.7301 | 7.8505 | 7.4851 | 7.2277 | 7.0225 | 6.8352 | 6.2574 | 2 | 0.1 | Present | 16.0659 | 14.4609 | 13.7857 | 13.2987 | 12.9004 | 12.5534 | 11.5155 | 0.02 | Present | 16.5502 | 14.8811 | 14.1886 | 13.7021 | 13.3152 | 12.9606 | 11.8626 |
| E1E2E1E2 | 1 | 0.1 | Present | 1.6260 | 1.6528 | 1.6666 | 1.6807 | 1.6951 | 1.7018 | 1.7098 | 0.02 | Present | 10.8410 | 9.7492 | 9.2954 | 8.9754 | 8.7198 | 8.4872 | 7.7705 | 2 | 0.1 | Present | 5.6307 | 5.7230 | 5.7706 | 5.8192 | 5.8686 | 5.8913 | 5.9186 | 0.02 | Present | 29.6598 | 26.6713 | 25.4299 | 24.5559 | 23.8588 | 23.2228 | 21.2592 |
| E2E3E2E3 | 1 | 0.1 | Present | 1.6249 | 1.6514 | 1.6651 | 1.6790 | 1.6931 | 1.6995 | 1.7073 | 0.02 | Present | 10.4114 | 9.4120 | 8.9917 | 8.6918 | 8.4499 | 8.2330 | 7.5680 | 2 | 0.1 | Present | 5.6174 | 5.7067 | 5.7522 | 5.7982 | 5.8442 | 5.8650 | 5.8896 | 0.02 | Present | 27.4294 | 25.0188 | 23.9872 | 23.2505 | 22.6568 | 22.1105 | 20.3974 |
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