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Theory and Modern Applications

Table 8 Comparison of calculation results of FPM and CFEM

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

Time step

Time

Nodes

FPM error

CFEM error

0.001

0.1

11

8.4977 × 10−4

8.9466 × 10−2

21

2.1892 × 10−3

8.4068 × 10−2

51

1.8458 × 10−3

4.5057 × 10−2

61

1.8463 × 10−3

2.3902 × 10−2

71

1.8516 × 10−3

1.7377 × 10−2