Table 2: Comparison of (OHAM) and (ADM) for drainage velocity profile.

OHAMADMAbsolut error

0.0
0.10.00818240.00810405
0.20.01634860.016272
0.30.02354150.0234664
0.40.02976560.0296918
0.50.03502520.0349525
0.60.03932380.0392519
0.70.04266410.0425929
0.80.04504850.0449777
0.90.04646840.0464079