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Theory and Modern Applications

Table 3 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

11

0.1

0.1

6.1231 × 10−4

9.8443 × 10−3

0.5

2.7573 × 10−3

6.0572 × 10−2

1.0

6.5432 × 10−3

1.3996 × 10−1

0.01

0.1

6.0982 × 10−4

1.0059 × 10−3

0.5

2.8516 × 10−3

6.4227 × 10−3

1.0

7.2553 × 10−3

1.4586 × 10−2