User:Jcreer/MODFLOW 6: Difference between revisions

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To create a MODFLOW simulation:
To create a MODFLOW simulation:
# Right-click on an empty space in the Project Explorer, or right-click on "Project" in the Project Explorer, and select ''New Simulation'' | '''MODFLOW 6'''.
# Right-click on an empty space in the Project Explorer, or right-click on "Project" in the Project Explorer, and select ''New Simulation'' | '''MODFLOW 6'''.
#
# In the ''New MODFLOW 6 Simulation'' dialog, select the UGrid for the simulation to use and select any optional packages needed for the simulation.
 
When the simulation has been initially created, the select UGrid will be linked to the simulation and the simulation packages will appear in the Project Explorer.


==Exporting MODFLOW 6 Files==
==Exporting MODFLOW 6 Files==

Revision as of 23:37, 29 January 2020

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:

DE4, GMG, NWT, PCG,

PCGN, LMG, SIP, SOR,

SMS
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

Starting in GMS 10.5, GMS can create a basic MDOFLOW 6 project. Building a MODFLOW 6 project in GMS makes use of a simulation workflow. The new simulation workflow builds the MODFLOW 6 using a different procedure than previously used in GMS. This process allows for multiple MODFLOW 6 simulations to be contained in the same project file.

Building a MODFLOW 6 Simulation

Before building a MODFLOW 6 simulation, a 3D UGrid of the project area is required. While the project can contain multiple UGrids, only one UGrid can be attached to each MODFLOW 6 simulation.

To create a MODFLOW simulation:

  1. Right-click on an empty space in the Project Explorer, or right-click on "Project" in the Project Explorer, and select New Simulation | MODFLOW 6.
  2. In the New MODFLOW 6 Simulation dialog, select the UGrid for the simulation to use and select any optional packages needed for the simulation.

When the simulation has been initially created, the select UGrid will be linked to the simulation and the simulation packages will appear in the Project Explorer.

Exporting MODFLOW 6 Files

Starting in GMS 10.4, GMS can export MODFLOW files for use with MODFLOW 6. This version of MODFLOW contains a new object-oriented program and underlying framework for supporting multiple types of models within the same simulation.

The process for doing this is similar to that of saving native text files. In the MODFLOW Global/Basic Package dialog, there is an option to Save MODFLOW 6 copy. When this option is selected, MODFLOW 6 files will be generated when running MODFLOW from GMS.

Unsupported Features

The MODFLOW 6 export option does not function with projects that are incompatible with MODFLOW 6. Projects with unsupported features or parameters will not be successfully exported.

Not all MODFLOW packages are supported in MODFLOW 6. The following table shows the correlation between MODFLOW 6 packages and packages from previous versions of MODFLOW.

MODFLOW 6 supported packages Equivalent Mf2k5/USG package
CHD, DRN, GHB, RIV, WEL CHD, DRN, GHB, RIV, WEL
DIS, DISV, DISU, TDIS DIS, DISU
EVT, RCH EVT, ETS, RCH
GNC GNC
IC BAS
LAK LAK
MAW MNW2
NPF, STO BCF, HUF, LPF, UPW
SFR SFR
UZF UZF
MVR, GWF, OBS Not supported
Not Supported DRT, GAGE, MNW1, MNWI, STR, SUB, SWI, OBS, HOB, CHOB, RVOB, STOB, DROB

MODFLOW 6 Files

The files generated for MDOFLOW6 will appear similar to those created for other versions of MODFLOW. The *.mfn.log file will contain notes about the export and mention any items that could not be exported for MODFLOW 6.

For more details, see the MODFLOW 6 Input and Output document

External Link