Subdomain Integration Model of Ground-Water Flow

by T. V. Hromadka, II, Asst. Research Engr. and Lect.; School of Engrg., Univ. of California, Irvine, Calif. 92717,
G. L. Guymon, (M.ASCE), Assoc. Prof. of Civ. Engrg.; School of Engrg., Univ. of California, Irvine, Calif. 92717,

Serial Information: Journal of the Irrigation and Drainage Division, 1981, Vol. 107, Issue 2, Pg. 187-195

Document Type: Journal Paper


The subdomain numerical integration method is applied to the nonlinear one-dimensional saturated groundwater flow equation (Boussinesq equation). Because the state variable of the resulting numerical analog can be cast in terms of spatial coordinates, nonlinearity can be eliminated, greatly increasing accuracy and simplifying the numerical code. As a result, the solution can be performed on hand held programmable calculators. Good results were obtained when applying the method to confined and unconfined (nonlinear) aquifer examples.

Subject Headings: Numerical methods | Hydrologic models | Nonlinear analysis | One-dimensional flow | Groundwater flow | Boussinesq equations | Analogs | Standards and codes

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