Research Article
A Refined Higher-Order Hybrid Stress Quadrilateral Element for Free Vibration and Buckling Analyses of Reissner-Mindlin Plates
Table 14
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 condition | Element () | Mesh | | | | | | |
| SSSS | QH8-R | 3.1427 | 3.4982 | 3.7191 | 3.8183 | 3.8982 | 3.9293 | | 4.0364 | 3.8502 | 3.9045 | 3.9338 | 3.9588 | 3.9691 | | 4.7314 | 4.0776 | 4.0190 | 4.0043 | 3.9961 | 3.9940 | | 4.8659 | 4.1389 | 4.0521 | 4.0258 | 4.0084 | 4.0027 | | 4.7097 | 4.1161 | 4.0444 | 4.0225 | 4.0079 | 4.0031 | | 4.2694 | 4.0139 | 4.0002 | 3.9980 | 3.9972 | 3.9971 | Reference [44] | 4 | | | | | |
| CCCC | QH8-R | 5.3071 | 7.4051 | 8.3520 | 8.9070 | 9.4027 | 9.6049 | | 8.2670 | 9.1692 | 9.4445 | 9.6292 | 9.7956 | 9.8651 | | 10.9935 | 10.6774 | 10.2199 | 10.1074 | 10.0459 | 10.0304 | | 12.9592 | 11.1920 | 10.4649 | 10.2587 | 10.1293 | 10.0885 | | 13.6765 | 11.0371 | 10.4113 | 10.2349 | 10.1247 | 10.0896 | | 13.6316 | 10.2573 | 10.0875 | 10.0576 | 10.0482 | 10.0472 | Reference [44] | 10.0738 | | | | | |
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