GMS:GMG Package
From XMS Wiki
| MODFLOW | |
|---|---|
| Pre-processing | |
| MODFLOW Commands | |
| Building a MODFLOW Model | |
| Map to MODFLOW | |
| Calibration | |
| Packages Supported in GMS | |
| Saving a MODFLOW Simulation | |
| Importing MODFLOW Files | |
| Unsupported MODFLOW Features | |
| Run MODFLOW | |
| Post-processing | |
| MODFLOW Display Options | |
| MODFLOW Post-Processing Viewing Options | |
| Reading a MODFLOW Simulation | |
| Tutorials | |
| Packages | |
| Flow: | BCF6, HUF, LPF, UPW |
| Solvers: | SMS |
| Other: | UZF1 |
The GMG package is one of the solver packages for MODFLOW supported by GMS. The GMG solver is an iterative solver based on a multi-grid approach.
Parameters include:
- Inner convergence residual (RCLOSE)
- Maximum inner iterations (IITER)
- Outer convergence residual (HCLOSE)
- Maximum outer iterations (MAXITER) – Also referred to as MXITER.
- Damping parameter (DAMP)
- Damping option (IADAMP)
- Maximum damping (DUP)
- Minimum damping (DLOW)
- Maximum head change (CHGLIMIT)
- Output flag (IOUTGMG)
- Maximum head output (IUNITMHC)
- Multi-grid preconditioner smoothing (ISM)
- Multi-grid preconditioner coarsening (ISC)
- Relocation parameter (RELAX)
For more info on the GMG solver look at the following document:
MODFLOW-2000, THE U.S. GEOLOGICAL SURVEY MODULAR GROUND-WATER MODEL -- GMG LINEAR EQUATION SOLVER PACKAGE DOCUMENTATION
By: J. D. Wilson, NRC Post-Doc, and R. L. Naff, U.S. Geological Survey [1]
| GMS – Groundwater Modeling System | ||
|---|---|---|
| Modules: | 2D Grid • 2D Mesh • 2D Scatter Point • 3D Grid • 3D Mesh • 3D Scatter Point • Boreholes • GIS • Map • Solid • TINs • UGrids |  |
| Models: | FEFLOW • FEMWATER • HydroGeoSphere • MODAEM • MODFLOW • MODPATH • mod-PATH3DU • MT3DMS • MT3D-USGS • PEST • PHT3D • RT3D • SEAM3D • SEAWAT • SEEP2D • T-PROGS • ZONEBUDGET | |
| Aquaveo | ||
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