@inproceedings{paperid:1089763, author = {Ansari, Hossein}, title = {An underrelaxed-modified Picard iteration scheme for simulation of 3D wetting pattern under drip irrigation using Richards’ equation on non-orthogonal grids}, booktitle = {دومین کنگره سراسری در مسیر توسعه علوم کشاورزی و منابع طبیعی}, year = {2016}, location = {گرگان, IRAN}, keywords = {Numerical model ، Subsurface flow ، Finite volume ، trickle irrigation ، Coordinate transformation}, }