Table 5 The deflection of the center point when k = 0 and n varies.

From: R-function method and variational method for the bending problem of functionally graded plates with fixed supports and complex shapes

 

Grid density

Deflection of center point (m)

Error (%)

The method of this paper

n = 1.875

0.00024030

6.43

n = 2.5

0.00024444

4.82

n = 3.125

0.00024441

4.83

 

n = 3.75

0.00024646

4.04

 

n = 4.375

0.00024539

4.45

 

n = 5

0.00024729

3.71

 

FEM solution

0.00025684

–

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