VARSAT2D: Finite-element analysis of variably saturated two-dimensional flow. Information circular/1994
This information circular describes a computer program called VARSAT2D, a comprehensive unsaturated fluid flow simulator developed by the U.S. Bureau of Mines. VARSAT2D solves for either a vertical or horizontal, transient or steady-state solution in variably saturated, heterogeneous, anisotropic porous media using the Galerkin finite-element approach. Simplex triangular elements are used. Moisture retention characteristics are described by specifying either the Brooks and Corey, Brutsaert, or Van Genuchten power functions, with hysteresis described using the Maulem independent domain model. Boundary conditions may include any combination of time-varying seepage, pressure along solution domain boundaries and/or at internal node points, unit hydraulic gradient at the lower boundary, and a uniform source and/or sink. The program should be a welcome addition for mining and environmental hydrologists, researchers, and engineers interested in modeling unsaturated fluid flow.
- Research Organization:
- Bureau of Mines, Twin Cities, MN (United States). Twin Cities Research Center
- OSTI ID:
- 5070833
- Report Number(s):
- PB-94-152675/XAB; BUMINES-IC-9373
- Resource Relation:
- Other Information: Library of Congress catalog card No. 93-42567
- Country of Publication:
- United States
- Language:
- English
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