Shear Locking Remedies

(1) Use Reduced 8-node Elements with at least Three Layers of Elements in the Thickness Direction

Deflection = 4.58 mm 

(2) Use Reduced 20-node Elements with at least Two layers of Elements along the Thickness Direction

Deflection = 4.305 mm

(3) Use Fully Integrated 20-node Elements

Deflection = 4.292 mm