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NESC9722 FE3DGW.

FE3DGW, Ground Water Flow Model Using Finite Element Method

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1. NAME OR DESIGNATION OF PROGRAM:  FE3DGW.
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2. COMPUTERS
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Program name Package id Status Status date
FE3DGW NESC9722/01 Tested 16-MAR-1987

Machines used:

Package ID Orig. computer Test computer
NESC9722/01 DEC VAX 11/780 DEC VAX 11/780
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3. DESCRIPTION OF PROGRAM OR FUNCTION

FE3DGW (Finite Element 3-Dimensional Ground Water) analyzes flow through large, multilayered, ground-water systems. The code has the capability to model noncontinuous as well as continuous layers, time-dependent and constant sources/sinks, and transient as well as steady-state flow.
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4. METHOD OF SOLUTION:
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME:
NESC9722/01
NEA-DB executed the test cases included in this package on a VAX-11/780 computer. The following times were required (in CPU  seconds):
                 EXAMPLE1(ABC)      46 (total)
                 EXAMPLE2           20
                 EXAMPLE3           21
                 EXAMPLE4           20
                 EXAMPLE5           27
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7. UNUSUAL FEATURES OF THE PROGRAM

The code offers a wide choice of boundary conditions including prescribed heads, nodal injection or withdrawal, constant or spatially varying infiltration rates, and elemental source/sink. Initial conditions can be prescribed as vertically hydrostatic or variable hydraulic head. The heterogeneity in aquifer permeability can be described by geologic unit or explicitly for given elements. Three-dimensional elements are generated from user-defined well logs at each surface node. To facilitate interaction between disciplines, auxiliary programs are provided to plot the finite-element grid, well logs, contour maps of input and output parameters, and vertical cross sections and to determine ground-water pathlines and travel from a specified point.  FE3DGW does not account for density variation and calculates only the hydraulic heads. The program can be used to support site characterization, evaluate ground-water flow rates, and estimate travel path and time in regional and local ground-water systems.
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8. RELATED AND AUXILIARY PROGRAMS

FE3DGW uses the proprietary CalComp and DISSPLA graphics software to generate graphical output.
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9. STATUS
Package ID Status date Status
NESC9722/01 16-MAR-1987 Tested at NEADB
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10. REFERENCES:
NESC9722/01, included references:
- S.K. Gupta, C.R. Cole, F.W. Bond and A.m. Monti:
  Finite-Element Three-Dimensional Ground-Water (FE3DGW) Flow Model:
  Formulation, Computer, Source Listings, and User's Manual.
  BMI/ONWI-548  (October 1984)
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11. MACHINE REQUIREMENTS

500K bytes. nESC9722/01: For execution of the test cases in this package on a VAX-11/780 computer, the following peak working set sizes were required:
                         EXAMPLE1(ABC)    977
                         EXAMPLE2         948
                         EXAMPLE3         949
                         EXAMPLE4         958
                         EXAMPLE5         950
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NESC9722/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
NESC9722/01
The test cases were run on VAX-11/780 under VMS 4.4
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

          S.K. Gupta and C.R. Cole
          Office of Nuclear Waste Isolation
          Battelle Project Management Division
          505 King Avenue, Columbus, Ohio 43201
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16. MATERIAL AVAILABLE
NESC9722/01
File name File description Records
NESC9722_01.001 Information file 225
NESC9722_01.002 Version Description Header 10
NESC9722_01.003 Terminal Version Response File 10
NESC9722_01.004 Description of File Usage and Assignment 40
NESC9722_01.005 Commons to be Included in PROG1 and PROG3 10
NESC9722_01.006 Commons to be Included in PROG3 60
NESC9722_01.007 PROG1 Source 980
NESC9722_01.008 PROG2 Source 360
NESC9722_01.009 BAND Source 260
NESC9722_01.010 PROG3I Source 470
NESC9722_01.011 PROG3 Source 1780
NESC9722_01.012 WRITHZ Source 122
NESC9722_01.013 WTABLE Source 90
NESC9722_01.014 GENPR1 Source 1410
NESC9722_01.015 GENPLOT Source 1190
NESC9722_01.016 REGRID Source 114
NESC9722_01.017 GENGRIDFE Source 959
NESC9722_01.018 LIST Source 80
NESC9722_01.019 GETBC Source 1680
NESC9722_01.020 INTERPBC Source 1588
NESC9722_01.021 TRACE Source 50
NESC9722_01.022 PLOTEL3D Source 536
NESC9722_01.023 FEPLTI Source 263
NESC9722_01.024 FEPLT Source 1343
NESC9722_01.025 VSECTION Source 903
NESC9722_01.026 HPRINT Source 260
NESC9722_01.027 TVL3DI Source 384
NESC9722_01.028 TVL3D Source 2266
NESC9722_01.029 GRIDFE Source 770
NESC9722_01.030 GPLOT3D Source 170
NESC9722_01.031 3DPLT Source 570
NESC9722_01.032 ENDPLT, PLOTND, PLTOUT Interface Source 16
NESC9722_01.033 PROG1 Input File EXMIXBC 30
NESC9722_01.034 PROG1 Input File LINEAR 33
NESC9722_01.035 PROG1 Input File LINODALQ 34
NESC9722_01.036 PROG1 Input File SFLUX 29
NESC9722_01.037 PROG1 Input File WELL 67
NESC9722_01.038 PROG3I Input File HSTEDY 2
NESC9722_01.039 PROG3I Input File PTRANS 3
NESC9722_01.040 PROG3I Input File QSURFACE 10
NESC9722_01.041 PROG3I Input File TRANSIENT 3
NESC9722_01.042 PROG3I Input File TRANSVARS 4
NESC9722_01.043 Batch Stream for Example 1 38
NESC9722_01.044 Batch Stream and Output for Example 1 381
NESC9722_01.045 Batch Stream for Example 1 a 27
NESC9722_01.046 Batch Stream and Output for Example 1 a 257
NESC9722_01.047 Batch Stream for Example 1 b 23
NESC9722_01.048 Batch Stream and Output for Example 1 b 113
NESC9722_01.049 Batch Stream for Example 1 c 28
NESC9722_01.050 Batch Stream and Output for Example 1 c 368
NESC9722_01.051 Batch Stream for Example 2 38
NESC9722_01.052 Batch Stream and Output for Example 2 390
NESC9722_01.053 Batch Stream for Example 3 38
NESC9722_01.054 Batch Stream and Output for Example 3 390
NESC9722_01.055 Batch Stream for Example 4 38
NESC9722_01.056 Batch Stream and Output for Example 4 413
NESC9722_01.057 Batch Stream for Example 5 39
NESC9722_01.058 Batch Stream and Output for Example 5 661
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17. CATEGORIES
  • R. Environmental and Earth Sciences

Keywords: finite element method, fluid flow, ground water, hydrology, porosity, three-dimensional.