Figure 4. Schematic representation of injected water at level “x”

From

Application of Homotopy Analysis Method in One-Dimensional Instability Phenomenon Arising in Inclined Porous Media

Kajal K. Patel, M. N. Mehta, Twinkle R. Singh

American Journal of Applied Mathematics and Statistics. 2014, 2(3), 106-114 doi:10.12691/ajams-2-3-4