Simulation of Contaminant Transport Using NMOL Technique

by Shiv Prasher, McGill Univ, Canada,
Suzelle Barrington, McGill Univ, Canada,
Roberto Clemente, McGill Univ, Canada,



Document Type: Proceeding Paper

Part of: Planning Now for Irrigation and Drainage in the 21st Century

Abstract:

In this paper, a new numerical method, called Numerical Method of Lines (NMOL), is used to solve initial-boundary value problems for solute transport in soils. The simulation results are compared with an analytical and a finite element solution of the problem. The results are alike: there are no significant differences. One of the major advantages of the NMOL technique is that the time involved in obtaining numerical solutions of problems is reduced from months to hours. Another significant advantage of the technique is the modest amount of computer programming and the level of mathematical background involved in solving a given initial-boundary problem. The NMOL package is available for the IBM PC or compatible micro-computers and should prove to be very useful to consulting and educational professionals.

Subject Headings: Numerical models | Soil pollution | Numerical methods | Contaminant transport | Fluid flow | Soil water | Mathematics

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