MODMAN (MODflow MANagement) adds optimization capability to the U.S.G.S. finite-difference model for groundwater flow simulation in three dimensions, called MODFLOW-96. MODMAN, in conjunction with the Lindo^© optimization software, yields answers to the following groundwater management questions: (1) where should pumping and injection wells be located, and (2) at what rate should water be extracted or injected at each well? The optimal solution maximizes or minimizes a user-defined objective function and satisfies all user-defined constraints. A typical objective may be to minimize or maximize the total pumping rate from all wells, while constraints might include upper and lower limits on heads, gradients, and pumping rates. A variety of objectives and constraints are available to the user, allowing many types of groundwater management issues to be considered. MODMAN Version 4.0 was updated for the USEPA, and at the same time a windows-based pre-processor was developed for reading and writing MODMAN input files.

The MODMAN code and documentation can be downloaded for free. The Pre-Processor code and documentation can also be downloaded for free. A sample version of the Lindo^© optimization solver, suitable for the MODMAN sample problems, can be downloaded for free from www.Lindo.com. A full version of Lindo^© must be purchased from Lindo Systems, Inc. To arrange for special Lindo pricing for MODMAN users, call Kevin Cunningham at Lindo Systems, Inc. in Illinois (312)988-7422 or email him at kevin@lindo.com.

Downloads

Documentation

Documentation

Technical Discussion from Conferences

• EPA TECHNOLOGY INNOVATION OFFICE HYDRAULIC OPTIMIZATION DEMONSTRATION PROJECT
  USEPA Hydraulic Optimization Project Final Reports



• TECHNICAL PAPER ON-LINE
  USEPA Hydraulic Optimization Project Presented at: 1st Annual Forum on Emerging Environmental Technologies for Optimization of Groundwater Extraction & Treatment Systems and Implementation of Natural Attenuation Remedies May 29, 1998 Cape Cod, Massachussetts

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