You could have downloaded WPhast 2.2.0 from our software library for free. The most popular versions among WPhast users are 2.2 and 0.5. The software relates to Education Tools. Our built-in antivirus checked this download and rated it as 100% safe. WPhast.exe is the most frequent filename for this program's installer. This free program is a product of U.S. Geological Survey.
From the developer:
PHAST is a 3-dimensional, reactive-transport simulator that is available for Windows and Linux. PHAST simulates constant-density saturated flow, multicomponent transport, and a wide range of equilibrium and kinetic chemical reactions.A Computer Program for Simulating Groundwater Flow, Solute Transport, and Multicomponent Geochemical Reactions.
You may want to check out more software, such as GenealogyJ, Maxima and Minima or DAC Express, which might be similar to WPhast.