Numerical Simulation of Soil Water Movement under Subsurface Irrigation

Table 3

The results of the new method compared with FEM for Example 2.

Numerical methods	𝑡	Calculation errors	Calculation time(s)	Degree of convergence
New method	0.5	4.6462𝑒−005	2.100832	3.6871
	1.0	9.6914𝑒−005	3.782251	3.2203
FEM	0.5	1.0701𝑒−004	2.201250	3.4186
	1.0	1.5367𝑒−004	3.882052	3.0664