Advances in Materials Science and Engineering / 2016 / Article / Tab 2

Research Article

Structural Stability and Dynamics of FGM Plates Using an Improved 8-ANS Finite Element

Table 2

Normalized nondimensional natural frequency of S-FGM plate (power law index: ).

Nodes per side4-node shell element (see [2])Ratio ([2]/exact)PresentRatio (present/exact)

58.0761.1057.7171.056
97.5171.0297.3511.006
177.3661.0087.3231.002
337.3291.003

Analytical solution7.307

Result is computed using Navier’s method with first-order shear deformation theory, independently.
Results are computed using the quasi-conforming 4-ANS finite element, independently.

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