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Theory and Modern Applications

Table 5 Comparison of calculation results of UFPM and FEM

From: A finite point algorithm for soil water-salt movement equation

Nodes

Time step

Time

UFPM error

FEM error

51

0.1

0.1

4.6744 × 10−5

9.3930 × 10−3

0.5

2.2183 × 10−4

4.4196 × 10−2

1.0

4.2643 × 10−4

4.4196 × 10−2

0.01

0.1

9.0657 × 10−6

1.0053 × 10−3

0.5

2.1202 × 10−5

1.0053 × 10−3

1.0

2.5579 × 10−5

7.6178 × 10−3