Research Article
A Refined Higher-Order Hybrid Stress Quadrilateral Element for Free Vibration and Buckling Analyses of Reissner-Mindlin Plates
Table 15
The factor of uniaxial buckling loads along the
-axis of rectangular plates with length-to-width aspect ratios
and thickness-to-width aspect ratios
.
| Boundary | Element () | Mesh | | | | | | |
| SSSS | QH8-R | 2.3811 | 2.4760 | 2.7861 | 3.0392 | 3.3424 | 3.4914 | | 3.3240 | 3.0601 | 3.2413 | 3.3983 | 3.5815 | 3.6689 | | 4.1951 | 3.5827 | 3.6110 | 3.6676 | 3.7403 | 3.7756 | | 4.4995 | 3.8245 | 3.7755 | 3.7778 | 3.7917 | 3.8002 | | 4.3933 | 3.8501 | 3.7970 | 3.7869 | 3.7845 | 3.7850 | | 3.9119 | 3.6966 | 3.7056 | 3.7146 | 3.7232 | 3.7266 | Reference [45] | 3.7864 | | | | | |
| CCCC | QH8-R | 3.4293 | 4.0301 | 4.6232 | 5.2042 | 6.1652 | 6.7926 | | 5.9999 | 5.8082 | 6.0193 | 6.4602 | 7.1856 | 7.6362 | | 8.7108 | 7.7026 | 7.4918 | 7.6519 | 7.9938 | 8.2101 | | 10.4843 | 8.8128 | 8.3089 | 8.2536 | 8.3146 | 8.3741 | | 10.9492 | 8.8625 | 8.3903 | 8.2963 | 8.2811 | 8.2936 | | 9.9368 | 7.5669 | 7.5101 | 7.5613 | 7.6923 | 7.7874 | Reference [46] | 8.2917 | | | | | |
|
|
Note. .
|