WinTran
Category Contaminant transport (2D FEM)
Publisher  Environmental Simulations, Inc. 
Platform Win95/98, WinNT
Status Commercial
Description WinTran couples the steady-state groundwater flow model from WinFlow with a Finite Element Groundwater Contaminant Transport Model. The model is constructed automatically by the software but displays numerical criteria (Peclet and Courant numbers) to allow the user to avoid numerical or mass balance problems. Contaminant mass may be injected or extracted using any of the analytic elements, including wells, ponds, and linesinks. In addition, constant concentration elements have been added. WinTran displays both head and concentration contours and concentration may be plotted versus time at selected monitoring locations. The transport model includes the effects of dispersion, linear sorption (retardation), and first-order decay. Simulates steady-state flow and transient transport in confined and unconfined aquifers; Displays mass balance error during simulation; Contours concentration at user-specified time steps during simulation; Velocities computed either analytically or using finite-element flow model; Maps may be printed using any Windows device driver; All other features are the same as WinFlow (except transient flow model). A free demonstration version is available.
Cost US Dollars 550, US Dollars 200 upgrade from WinFlow
Data formats supported None stated
Supplier in Italy  ESI Italia srl 
Supplier in United Kingdom  ESI Ltd 
Supplier in United States of America  Environmental Simulations, Inc. 
Supplier in United States of America  International Ground Water Modeling Center 
Supplier in United States of America  Rockware Inc. 
Supplier in United States of America  Scientific Software Group 

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