Numerical Simulation of Soil Water Movement under Subsurface Irrigation

Table 1

The results of the new method compared with FEM.

Numerical methods	𝑡	Calculation errors	Calculation time(s)	Degree of convergence
New method	0.5	8.4197𝑒−004	1.230020	2.7300
	1.0	9.1056𝑒−004	2.427944	2.4725
FEM	0.5	1.0017𝑒−003	1.021520	2.6720
	1.0	1.6667𝑒−003	3.825802	2.2707