Research Article
Three-Dimensional Vibration Analysis of Isotropic and Orthotropic Open Shells and Plates with Arbitrary Boundary Conditions
Table 13
The first five frequency parameters
of an open isotropic spherical shell with various boundary conditions and included angles (
,
,
m,
,
GPa, and
).
| | Mode | Boundary conditions | FFFF | FFFC | CFFFF | FSFS | FCFC | SFSF | SSSS | SCSC | CFCF | CSCS | CCCC |
| | 1 | 1.5434 | 0.5258 | 0.3956 | 1.1290 | 1.9941 | 0.2223 | 2.1807 | 2.4911 | 1.8990 | 2.2182 | 3.0667 | 2 | 2.0638 | 0.8659 | 0.5747 | 1.6591 | 2.4592 | 1.0025 | 2.2182 | 2.7231 | 1.9102 | 2.4706 | 4.1467 | 3 | 2.5408 | 1.0483 | 0.7678 | 2.2636 | 2.5999 | 1.2964 | 2.4712 | 4.1293 | 2.2036 | 3.9360 | 4.3251 | 4 | 2.9590 | 1.8398 | 1.5304 | 2.4774 | 3.4859 | 1.9852 | 3.6766 | 4.1563 | 3.3344 | 4.3027 | 4.7985 | 5 | 3.1493 | 2.2736 | 1.9231 | 3.2833 | 3.5635 | 2.5928 | 4.0103 | 4.5780 | 3.4008 | 4.3531 | 4.9817 |
| | 1 | 0.7468 | 0.1503 | 0.4323 | 0.2479 | 0.8889 | 0.2957 | 1.2670 | 1.3054 | 1.9184 | 2.1075 | 2.3646 | 2 | 0.8246 | 0.2622 | 0.5281 | 0.4128 | 1.2374 | 1.0485 | 1.5707 | 1.7150 | 1.9212 | 2.2185 | 2.5819 | 3 | 1.3824 | 0.5249 | 0.7754 | 1.1291 | 1.3836 | 1.1472 | 2.1811 | 2.3482 | 2.1685 | 2.4709 | 3.2073 | 4 | 1.7188 | 0.6080 | 0.9511 | 1.2559 | 1.4004 | 1.3091 | 2.2185 | 2.4407 | 2.2848 | 3.1325 | 3.4764 | 5 | 1.8750 | 1.0441 | 1.5353 | 1.6594 | 1.8157 | 1.9292 | 2.4717 | 3.0104 | 2.8882 | 3.2707 | 3.5592 |
| | 1 | 0.3418 | 0.0727 | 0.4725 | 0.0601 | 0.5198 | 0.3268 | 0.8917 | 0.9135 | 1.9210 | 2.0967 | 2.2406 | 2 | 0.5192 | 0.1124 | 0.4959 | 0.0979 | 0.6987 | 0.8800 | 1.4624 | 1.5154 | 1.9236 | 2.1724 | 2.2484 | 3 | 0.8172 | 0.2652 | 0.6403 | 0.5017 | 0.9143 | 1.0832 | 1.6389 | 1.6688 | 2.1366 | 2.2186 | 2.6379 | 4 | 0.8719 | 0.3327 | 0.8189 | 0.8047 | 1.0622 | 1.1156 | 1.7514 | 1.8452 | 2.1756 | 2.4713 | 2.7068 | 5 | 1.3417 | 0.6414 | 1.0216 | 1.0307 | 1.0907 | 1.5621 | 2.1816 | 2.3033 | 2.3414 | 2.7596 | 3.1727 |
| | 1 | 0.1888 | 0.0452 | 0.4689 | 0.2480 | 0.3235 | 0.3414 | 0.7145 | 0.7274 | 1.9243 | 2.1076 | 2.1555 | 2 | 0.3385 | 0.0611 | 0.5233 | 0.4129 | 0.3853 | 0.6941 | 1.2672 | 1.2855 | 1.9255 | 2.1111 | 2.1944 | 3 | 0.5085 | 0.1409 | 0.5676 | 0.6466 | 0.6937 | 1.0925 | 1.4292 | 1.4529 | 2.1144 | 2.2186 | 2.3711 | 4 | 0.5841 | 0.2079 | 0.7232 | 0.9648 | 0.6970 | 1.1003 | 1.5709 | 1.6321 | 2.1613 | 2.2262 | 2.4572 | 5 | 0.9281 | 0.4222 | 0.8582 | 1.0133 | 0.9779 | 1.2698 | 1.7908 | 1.8377 | 2.2045 | 2.4715 | 2.6920 |
| | 1 | 0.1177 | 0.0327 | 0.4867 | 0.0224 | 0.2086 | 0.3497 | 0.6155 | 0.6236 | 1.9278 | 2.0948 | 2.1323 | 2 | 0.2184 | 0.0398 | 0.4900 | 0.0319 | 0.2259 | 0.5910 | 1.0399 | 1.0542 | 1.9282 | 2.1264 | 2.1506 | 3 | 0.3231 | 0.0859 | 0.6039 | 0.1257 | 0.4760 | 1.0334 | 1.4150 | 1.4271 | 2.1169 | 2.1401 | 2.2870 | 4 | 0.4395 | 0.1313 | 0.6105 | 0.2094 | 0.4815 | 1.0978 | 1.4948 | 1.5098 | 2.1215 | 2.2187 | 2.2974 | 5 | 0.6178 | 0.2576 | 0.8022 | 0.3940 | 0.7802 | 1.1040 | 1.4989 | 1.5356 | 2.1970 | 2.2654 | 2.5086 |
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