The University of Massachusetts Amherst
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Solution of the groundwater transport management problem by sequential relaxation

TitleSolution of the groundwater transport management problem by sequential relaxation
Publication TypeJournal Article
Year of Publication1998
AuthorsAhlfeld D. P., Zafirakou A., Riefler R.G
JournalAdvances in Water Resources
Start Page591
Date Published06/1998

A heuristic algorithm is presented for problems which are formulated to find an optimal groundwater remediation strategy with constraints on confined groundwater flow and contaminant transport. The problem is simplified by decoupling the transport constraints from the hydraulic constraints to produce a linear hydraulic control optimization problem. The solution is obtained by an iterative process in which the constraints on hydraulic gradient are updated, using information from transport simulation, and the hydraulic control problem is solved repeatedly. In effect, the transport simulation is used to calibrate the head difference constraint values of the hydraulic control problem. The algorithm is described in detail and its convergence is demonstrated on several examples. The advantages and limitations of the algorithm are discussed.