Phast4Windows: A 3D graphical user interface for the reactive-transport simulator PHAST

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Phast4Windows is a Windows® program for developing and running groundwater-flow and reactive-transport models with the PHAST simulator. This graphical user interface allows definition of grid-independent spatial distributions of model properties—the porous media properties, the initial head and chemistry conditions, boundary conditions, and locations of wells, rivers, drains, and accounting zones—and other parameters necessary for a simulation. Spatial data can be defined without reference to a grid by drawing, by point-by-point definitions, or by importing files, including ArcInfo® shape and raster files. All definitions can be inspected, edited, deleted, moved, copied, and switched from hidden to visible through the data tree of the interface. Model features are visualized in the main panel of the interface, so that it is possible to zoom, pan, and rotate features in three dimensions (3D). PHAST simulates single phase, constant density, saturated groundwater flow under confined or unconfined conditions. Reactions among multiple solutes include mineral equilibria, cation exchange, surface complexation, solid solutions, and general kinetic reactions. The interface can be used to develop and run simple or complex models, and is ideal for use in the classroom, for analysis of laboratory column experiments, and for development of field-scale simulations of geochemical processes and contaminant transport.

Publication type Article
Publication Subtype Journal Article
Title Phast4Windows: A 3D graphical user interface for the reactive-transport simulator PHAST
Series title Groundwater
DOI 10.1111/j.1745-6584.2012.00993.x
Volume 51
Issue 4
Year Published 2013
Language English
Publisher The Groundwater Association
Contributing office(s) National Research Program - Central Branch
Description 6 p.
First page 623
Last page 628
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