A finite-element model for simulation of two-dimensional steady-state ground-water flow in confined aquifers
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Abstract
A computer program based on the Galerkin finite-element method was developed to simulate two-dimensional steady-state ground-water flow in either isotropic or anisotropic confined aquifers. The program may also be used for unconfined aquifers of constant saturated thickness. Constant head, constant flux, and head-dependent flux boundary conditions can be specified in order to approximate a variety of natural conditions, such as a river or lake boundary, and pumping well. The computer program was developed for the preliminary simulation of ground-water flow in the Edwards-Trinity Regional aquifer system as part of the Regional Aquifer-Systems Analysis Program. Results of the program compare well to analytical solutions and simulations .from published finite-difference models. A concise discussion of the Galerkin method is presented along with a description of the program. Provided in the Supplemental Data section are a listing of the computer program, definitions of selected program variables, and several examples of data input and output used in verifying the accuracy of the program.
Suggested Citation
Kuniansky, E., 1990, A finite-element model for simulation of two-dimensional steady-state ground-water flow in confined aquifers: U.S. Geological Survey Open-File Report 90-187, iv, 77 p., https://doi.org/10.3133/ofr90187.
ISSN: 2331-1258 (online)
ISSN: 0196-1497 (print)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | A finite-element model for simulation of two-dimensional steady-state ground-water flow in confined aquifers |
| Series title | Open-File Report |
| Series number | 90-187 |
| DOI | 10.3133/ofr90187 |
| Year Published | 1990 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Austin, TX |
| Contributing office(s) | Texas Water Science Center |
| Description | iv, 77 p. |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |