Comments on GMS

1997 Richard B. Winston

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Date sent: Tue, 08 Jul 1997 17:03:38 -0400
To: groundwater@ias.champlain.edu
From: info@scisoftware.com (Scientific Software Group - Information)
Subject: Re: Groundwater modeling environments
Send reply to: info@scisoftware.com (Scientific Software Group - Information)

Chris,

I am surprised that you neglected to mention the popular GMS - Groundwater Modeling System. We also sell Visual MODFLOW, PMWIN, Groundwater Vistas, Argus Numerical Environments, and ModIME, and although all sell well, GMS also sells very well and should certainly be listed as one of the most versatile, powerful, and widely used packages today. GMS is a comprehensive software which provides tools for every phase of a groundwater simulation including site characterization, model development, postprocessing, calibration and visualization. It is the only system that supports TINS, solids, borehole data, 2D and 3D geostatistics, and both finite-element and finite-difference models in 2D and 3D. It has a conceptual model approach for building models using GIS objects and excellent postprocessing tools including animation of transient results. Scientific Software Group has the lowest prices of GMS on the market today and technical support is provided direct from the developer, BYU, which we feel is the best support offered. If you want further information on GMS, please contact me at info@scisoftware.com or visit our web site at http://www.scisoftware.com.

Susan Hardy

At 01:41 PM 7/8/97 -0400, you wrote:

I'm curious to hear what people are using to construct their groundwater flow and transport models. I am currently using Arc/info and fortran codes that I write to build input data sets. This can be fairly time consuming but now that I've established a general procedure, its not too bad. The bonus is that this type of environment is extremely robust and flexible. I can import existing models into real world coordinates and build new models with calibrated data. I can build well packages, river, etc.

While this approach is very flexible, its still not ideal. For example, I need several different software packages to view my results. I typically use surfer to make contours, excel to make graphs, and fortran codes in between to manipulate data. This rather involved process has led me to the world of todays pre and post groundwater model processors. When I first received my copy of a popular processor, I was very happy. From the literature, it seemed that I could do just about anything I wanted. Soon after getting started I realized that I could not. For example, I could not import an existing model because of a vcont problem and I couldn't make a groundwater grid with a list of dx and dy spacing. These problems combined with the fact that the software ran in a dos shell with an "almost windows" look really frustrated me.

Since then I have been investigating other model pre and post processors. I was wondering what types of experiences others have had with pre and post processors. Which is the best and most robust and which ones should be avoided. To the best of my knowledge the three top (or should I say widely used) modeling environments are:

ArgusOne
Visual Modflow
Groundwater Vistas

Any comments on these or other environments??

-Chris Langevin
Graduate Student
Geology Dept.
Unversity of South Florida

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1997, Richard B. Winston,
rwinsto@lsuvm.sncc.lsu.edu
Dept. of Geology and Geophysics
Louisiana State University
Baton Rouge, La 70803
U.S.A.
504-388-2337
Fax 504-388-2302
http://aapg.geol.lsu.edu:8081/rbwinsto.htm
ftp://aapg.geol.lsu.edu/pub/winston