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A node-based smoothed finite element method with stabilized discrete shear gap technique for analysis of Reissner-Mindlin plates. (English) Zbl 1260.74029
Summary: A node-based smoothed finite element method (NS-FEM) using 3-node triangular elements is formulated for static, free vibration and buckling analyses of Reissner-Mindlin plates. The discrete weak form of the NS-FEM is obtained based on the strain smoothing technique over smoothing domains associated with the nodes of elements. The discrete shear gap (DSG) method together with a stabilization technique is incorporated into the NS-FEM to eliminate transverse shear locking and to maintain stability of the present formulation. A so-called node-based smoothed stabilized discrete shear gap method (NS-DSG) is then proposed. Several numerical examples are used to illustrate the accuracy and effectiveness of the present method.

##### MSC:
 74S05 Finite element methods applied to problems in solid mechanics 74K20 Plates
##### Keywords:
transverse shear locking; 3-node triangular elements
XFEM
Full Text:
##### References:
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