Skip to main content
. 2019 Jul 25;12(15):2377. doi: 10.3390/ma12152377

Table 9.

The first nine nondimensional frequencies of two edges fully supported and two edges clamped (SCSC) SUS304/Si3Ni4 functionally graded square 1-8-1 sandwich plates thermally loaded by the nonlinear temperature rise.

Tt p ω˜1(,%) ω˜2(,%) ω˜3 ω˜4 ω˜5 ω˜6 ω˜7 ω˜8 ω˜9
400 K 0.2 13.274(5.31) 24.522(6.55) 29.754 33.585 39.655 43.561 51.341 56.518 58.691
[39] 12.605 23.014
0.5 11.846(5.25) 21.896(6.49) 26.537 29.655 35.380 38.897 45.768 50.435 51.944
[39] 11.255 20.560
2 9.7941(4.16) 18.105(5.34) 21.845 23.750 29.118 32.087 37.519 41.460 41.810
[39] 9.403 17.187
10 8.7226(3.53) 16.116(4.65) 19.375 20.581 25.813 28.490 33.147 36.370 36.700
[39] 8.425 15.400
600 K 0.2 13.010(5.31) 24.201(7.36) 29.301 33.281 39.153 43.093 50.670 55.896 58.203
[39] 12.354 22.542
0.5 11.597(4.99) 21.604(7.13) 26.118 29.388 34.922 38.481 45.185 49.877 51.524
[39] 11.046 20.166
2 9.5510(3.31) 17.840(5.62) 21.451 23.532 28.704 31.729 36.992 40.973 41.485
[39] 9.245 16.89
10 8.4845(2.35) 15.855(4.68) 18.987 20.364 25.403 28.133 32.623 36.050 36.214
[39] 8.290 15.146
800 K 0.2 12.742 23.890 28.852 32.999 38.665 42.652 50.077 55.304 57.758
0.5 11.338 21.313 25.691 29.124 34.464 38.077 44.598 49.329 51.116
2 9.2850 17.555 21.019 23.267 28.250 31.343 36.406 40.437 41.093
10 8.2056 15.542 18.514 20.039 24.892 27.683 31.953 35.550 35.593