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 .

BoundaryElement ()Mesh

SSSSQH8-R2.38112.47602.78613.03923.34243.4914
3.32403.06013.24133.39833.58153.6689
4.19513.58273.61103.66763.74033.7756
4.49953.82453.77553.77783.79173.8002
4.39333.85013.79703.78693.78453.7850
3.91193.69663.70563.71463.72323.7266
Reference [45]3.7864

CCCCQH8-R3.42934.03014.62325.20426.16526.7926
5.99995.80826.01936.46027.18567.6362
8.71087.70267.49187.65197.99388.2101
10.48438.81288.30898.25368.31468.3741
10.94928.86258.39038.29638.28118.2936
9.93687.56697.51017.56137.69237.7874
Reference [46]8.2917

Note. .