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An unstructured mesh finite volume method for modelling saltwater intrusion into coastal aquifers

By Fawang Liu, Ian Turner and Vo Anh

Abstract

In this paper, a two-dimensional finite volume unstructured mesh method (FVUM) based on a triangular background interpolation mesh is developed for analysing the evolution of the saltwater intrusion into single and multiple coastal aquifer systems. The model formulation consists of a ground-water flow equation and a salt transport equation. These coupled and non-linear partial differential equations are transformed by FVUM into a system of differential/algebraic equations, which is solved using backward differentiation formulas of order one through five. Simulation results are compared with previously published solutions where good agreement is observed

Topics: 010200 APPLIED MATHEMATICS, Finite volume - unstructured mesh - transient simulation - saltwater intrusion - upstream weighting - differential/algebraic system
Publisher: Springer
Year: 2002
DOI identifier: 10.1007/BF03021549
OAI identifier: oai:eprints.qut.edu.au:22088
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