GMS:MF6 GNC Package

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The Ghost Node Correction (GNC) Package dialog

The Ghost Node Connection (GNC) Package dialog is accessed by double-clicking on the GNC package under a MODFLOW 6 simulation in the Project Explorer. It contains the following sections and options:

    • Comments – Turn on to make the Comments section visible.
    • Options – Turn on to make the Options section visible.
    • GNCData – Turn on to make the GNCData section visible. This section is on by default.
  • Comments section – Enter general alphanumeric comments. Comments entered here get written at the top of the file, preceded by a '#' symbol.
  • Options section – Temporal options and settings:
    • Print input to listing file (PRINT_INPUT) – If turned on, indicates that the list of GNC information will be written to the listing file after it is read.
    • Print flows to listing file (PRINT_FLOWS) – If turned on, indicates that a list of GNC flow rates will be printed to the listing file.
    • Apply ghost node correction explicitly (EXPLICIT) – Indicates that the ghost node correction is applied and the correction terms are added to the right-hand side of the matrix.
  • GNCData – Area where data specific to GNC and the Ghost Nodes can be reviewed.
Note: The GNC Package is currently not fully supported in GMS.

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