ModelMuse Version 4: A Graphical User Interface for MODFLOW 6

Scientific Investigations Report 2019-5036
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Abstract

ModelMuse, a graphical user interface for groundwater-modeling software, was modified to support MODFLOW 6. ModelMuse works with two types of spatial discretization in MODFLOW 6: structured grids (DIS) and discretization by vertices (DISV). Quadtree refinement is used to generate a DISV model from a structured-grid model. The locations and weights for ghost nodes used to improve DISV model accuracy are computed automatically by ModelMuse using a new algorithm. ModelMuse does not support other types of DISV grids and unstructured grids. ModelMuse supports options in MODFLOW 6 that designate individual cells as confined or convertible and remove inactive cells associated with discontinuous layers, thereby reducing the computational burden. ModelMuse can specify fully three-dimensional (3D), spatially variable anisotropy in hydraulic conductivity. Although MODFLOW 6 does not support the parameters supported by MODFLOW–2005, ModelMuse provides backward compatibility by allowing ModelMuse parameters to specify scale-factor variables in MODFLOW 6 time-series files within packages that support time-series files. ModelMuse can automatically convert the data for many of the packages from other MODFLOW models to the new data for these packages in MODFLOW 6. Some packages, such as the Streamflow-Routing (SFR) package, changed significantly enough that only a partial conversion is possible. Head and flow observations in older models are also converted to observation locations in the MODFLOW 6 Observation utility. ModelMuse accommodates the ability of MODFLOW 6 to store specific discharge components by allowing the user to visualize the components of a specific discharge on the model grid. ModelMuse supports the versions of MODPATH and ZONEBUDGET compatible with MODFLOW 6.

Suggested Citation

Winston, R.B., 2019, ModelMuse version 4—A graphical user interface for MODFLOW 6: U.S. Geological Survey Scientific Investigations Report 2019–5036, 10 p., https://doi.org/10.3133/sir20195036.

ISSN: 2328-0328 (online)

Table of Contents

  • Acknowledgements
  • Abstract
  • Introduction
  • Working with Discretization by Vertices Grids
  • Specification of Data With Objects
  • Ghost-Node Correction Package
  • XT3D Option
  • Convertible Cells in MODFLOW 6
  • Simulating Discontinuous Layers
  • Model Features
  • Specific Discharge
  • Postprocessors
  • Summary
  • References Cited

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title ModelMuse Version 4: A graphical user interface for MODFLOW 6
Series title Scientific Investigations Report
Series number 2019-5036
DOI 10.3133/sir20195036
Year Published 2019
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) WMA - Integrated Modeling and Prediction Division
Description v, 10 p.
Online Only (Y/N) Y
Additional Online Files (Y/N) N