Table 7 The deflection of the center point when k =  + ∞ and m 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

0.00012968

6.23

n = 2.5

0.00013159

4.85

n = 3.125

0.00013160

4.84

 

n = 3.75

0.00013271

4.04

 

n = 4.345

0.00013213

4.46

 

n = 5

0.00013316

3.71

 

FEM solution

0.00013830

–

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