ABCFEM
Category Contaminant transport (2D FEM)
Publisher  Adrian Brown Consultants Inc 
Platform DOS
Status Commercial
Description ABCFEM is a 2D finite element, flow and transport model. The flow problem is solved using a modified Gauss-Seidel iterative finite element approach and the transport problem is solved using a Random Walk approach. The program can be used for the solution of flow problems or it can be used to analyse flow and solute transport together in a single domain. Steady state or transient groundwater flow systems can be analysed including pumping or injection wells. Boundary conditions handled by the program include fixed flow, fixed head, forced inflow, infiltration and swamping. For unconfined systems a moving phreatic surface can be simulated allowing for mixtures of confined and unconfined nodes (as long as confined nodes remain fully saturated). The ability for the phreatic surface to move creates the possibility for groundwater to emerge at the ground surface forming a spring or stream. Heads can also be constrained below ground surface. This makes it possible to model stream/ground water interactions and gaining/losing streams. Inclined plane analysis for horizontal systems, vertical section analyses based on head differences and radial analyses. Menu driven, and may also be run in batch mode. Interactive graphical interface built in, which allows data input, mesh generation, data editing, data and results output and display. Files are in or can be converted to spreadsheet format, for additional pre- and post-processing manipulation. Supports a variety of printers and plotters and can create output files compatible with contouring packages and DXF formats for further analyses and presentation. The documentation consists of installation instructions, theory, input instructions, and example problems.
Cost US Dollars 275
Data formats supported Drawings  :  DXF 
Supplier in United States of America  Adrian Brown Consultants Inc 
Supplier in United States of America  International Ground Water Modeling Center 

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