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| #[[GMS:Defining Layer Elevations|Define layer elevations]] | | #[[GMS:Defining Layer Elevations|Define layer elevations]] |
| #Assign material properties | | #Assign material properties |
| #Run MODFLOW | | #[[GMS:Run MODFLOW|Run MODFLOW]] |
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| | ==The MODFLOW Simulation== |
| | When a new MODLOW simulation has been initiated, it will appear under the 3D Grid or 3D Ugrid in the Project Explorer. Also in the Project Explorer, MODFLOW packages that are included in the simulation will be listed under the simulation. |
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| | Right-clicking on the simulation icon will produce a menu. Selecting the '''Properties''' command will bring up a ''Properties'' dialog. This dialog will show details about the simulation such as which version of MODFLOW is being used, where the simulation is being saved, if the simulation is steady state or transient, the number of stress periods, and run options. The dialog also contains a ''Notes'' tab where comments and other notes can be saved. |
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| [[Category:MODFLOW]] | | [[Category:MODFLOW]] |
| MODFLOW |
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| Pre-processing |
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MODFLOW Commands |
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Building a MODFLOW Model |
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Map to MODFLOW |
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Calibration |
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Packages Supported in GMS |
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Saving a MODFLOW Simulation |
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Importing MODFLOW Files |
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Unsupported MODFLOW Features |
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Run MODFLOW |
| Post-processing |
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MODFLOW Display Options |
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MODFLOW Post-Processing Viewing Options |
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Reading a MODFLOW Simulation |
| Tutorials |
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| Packages |
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| Flow: |
BCF6, HUF, LPF, UPW |
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| Solvers: |
DE4, GMG, NWT, PCG,
PCGN, LMG, SIP, SOR,
SMS |
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| Other: |
BAS6, BFH, CHD1, CLN,
DRN1, DRT1, EVT1, ETS1,
GAGE, GHB1, GNC, HFB1,
HUF, LAK3, MNW1, MNW2,
OUT1, RCH1, RIV1, SFR2,
STR1, SUB1, SWI2, WEL1,
UZF1 |
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Two basic approaches are provided in GMS for constructing a MODFLOW model: the model can be completely defined using the tools in the 3D Grid module, or the model can be defined with the aid of the feature objects in the Map module. Also, scatter points and solids can be used to define layer elevation, and boreholes can be used with TPROGS to create material sets for the 3D grid.
Basic Steps in Building a MODFLOW Model
The basic steps in building a MODFLOW model include:
- Build a 3D grid defining the extents of the model. Two approaches are available:
- Initialize MODFLOW
- Assign boundary conditions and model stresses, including sources and sinks
- Define layer elevations
- Assign material properties
- Run MODFLOW
The MODFLOW Simulation
When a new MODLOW simulation has been initiated, it will appear under the 3D Grid or 3D Ugrid in the Project Explorer. Also in the Project Explorer, MODFLOW packages that are included in the simulation will be listed under the simulation.
Right-clicking on the simulation icon will produce a menu. Selecting the Properties command will bring up a Properties dialog. This dialog will show details about the simulation such as which version of MODFLOW is being used, where the simulation is being saved, if the simulation is steady state or transient, the number of stress periods, and run options. The dialog also contains a Notes tab where comments and other notes can be saved.
