Theory and Modern Applications
Table 4 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 |
|---|---|---|---|---|
21 | 0.1 | 0.1 | 1.6307 × 10−4 | 9.8516 × 10−3 |
0.5 | 1.0268 × 10−3 | 5.2944 × 10−2 | ||
1.0 | 1.0844 × 10−3 | 1.0131 × 10−1 | ||
0.01 | 0.1 | 1.5432 × 10−4 | 1.0313 × 10−3 | |
0.5 | 1.5568 × 10−3 | 5.6588 × 10−3 | ||
1.0 | 3.8016 × 10−3 | 1.0672 × 10−2 |