A Refined Higher-Order Hybrid Stress Quadrilateral Element for Free Vibration and Buckling Analyses of Reissner-Mindlin Plates

Figure 10

Triangular plate model with various shape geometries and its discretization meshes (, 15°, 30°, 45°, 60°).

(a) Triangular plate

(b) 0°, 28 elements and 106 nodes

(c) 15°, 26 elements and 103 nodes

(d) 30°, 27 elements and 106 nodes

(e) 45°, 26 elements and 105 nodes

(f) 60°, 28 elements and 107 nodes