GMS:MODFLOW Commands

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GMS Commands
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The MODFLOW menu becomes active once the MODFLOW model has been built in GMS. The menu has two submenus: Optional Packages and Advanced. The commands in the MODFLOW menu are listed below:

  • New Simulation...
    Creates a new MODFLOW simulation and brings up the Global Options/Basic Package dialog. If a simulation exists then the current one will be deleted and a new one will be made.
  • Delete Simulation...
    Deletes the current MODFLOW simulation.
  • Check Simulation...
    Brings up the Model Checker dialog. This generates a list of possible errors and warning messages in the top scrolling window.
  • Run MODFLOW...
    Initiates the MODFLOW executable. GMS will ask if you would like to save your work before running the executable.
  • Read Solution...
    Opens a window for the user to search for a previous MODFLOW solution.
  • Flow Budget...
    Shows the model's flow budget as one zone (default) or multiple user defined zones.
  • Global Options...
    Opens the MODFLOW Global/Basic Package dialog to set up a MODFLOW simulation.
  • BCF – Block Centered Flow...
    Opens the MODFLOW Block Centered Flow Package dialog. See BCF Package to learn more.
  • PCG2 – Pre. Conj.-Gradient Solver...
    Opens the MODFLOW PCG2 Package solver dialog for the selected solver. (May not be PCG2)
  • OC – Output Control...
    Opens an output dialog for the user to chose what comes out of a MODFLOW run.
  • Optional Packages >
    • CHD – Time-Variant Specified-Head...
    Starts the MODFLOW Time-Varient Specified-Head (CHD) Package dialog. See CHD Package to learn more.
    • Drain (DRN) Package...
    Opens the MODFLWO Drain Package dialog. See DRN Package for more information.
    Starts the MODFLOW GAGE Package dialog. See GAGE Package to learn more.
    Brings up the Multi-Node Well (MNW1) Package dialog. To learn more, see [[MNW1 Package.
    • MNW2 – Multi-Node Well...
    Brings up the Multi-Node Well (MNW2) Package dialog. This package is an updated version of the MNW1 Package. To learn more, see [[MNW2 Package.
    • RCH – Recharge...
    Starts the MODFLOW Recharge Package dialog. See RCH Package for more information.
    • RIV – River...
    Opens the MODFLOW River Package dialog. To learn more, see [[RIV Package.
    • PEST ASP...
    Opens the PEST-ASP Options dialog. See PEST ASP Package for more information.
    Opens the Well Package dialog. To learn more, see WEL Package.
  • Parameters...
    Brings up a Parameters dialog. Options available in this dialog will vary. To learn more, see Standard MODFLOW Parameters.
  • Obervations... ||
  • Parameter Estimation...
    Becomes available when Stochastic or Stochastic Inverse is selected as the Run Options in the MODFLOW Global/Basic Package dialog. To learn more, see Parameter Estimation Dialog.
  • Stochastic...
    Becomes available when Stochastic or Stochastic Inverse is selected as the Run Options in the MODFLOW Global/Basic Package dialog. The command brings up the Stochastic Options dialog. See Stochastic Options Dialog for more information.
  • Advanced >
    Creates native MODFLOW files from existing GMS MODFLOW-with-hdf5 files.
    • Display Options...
    Opens the Display Options dialog showing the MODFLOW tab.
    • Sources/Sinks...
    Launches the MODFLOW Source/Sinks dialog. For more information see, MODFLOW Source/Sink Dialog.
    • Toggle Barrier
    Creates a "no flow boundary" between two adjacent selected cells.
    • Cell Properties... ||
    • IFACE...
    Opens the MODPATH IFACE dialog.
    • ITOP...
    Brings up the MODPATH ITOP dialog.


Obsolete Commands

The following commands have been removed from the MODFLOW menu the most recent versions of GMS.

  • LPF Package...
    Opens the flow dialog to insert hydrologic parameters. (May not be LPF)
  • Convergence Options...
    See the PEST-ASP... command.

Related Topics