Aquaveo & Water Resources Engineering News

MODFLOW SWI2 package support in GMS 10.1

By mkennard on March 7, 2016

GMS 10.1 includes support for the MODFLOW SWI2 package. "The SWI2 Package allows three-dimensional vertically integrated variable-density groundwater flow and seawater intrusion in coastal multiaquifer systems to be simulated using MODFLOW-2005" (USGS) A tutorial and sample files are available with GMS 10.1. Below is an animation created in GMS of the movement of a freshwater \ saltwater boundary due to changes in head and well pumping rates.

SWI package animation
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GMS SWI2 Package

GMS Sprint February 2016

By mkennard on March 7, 2016
Some of the more notable things completed by the GMS team during the month:
  • Fixed several bugs
  • Deletion of UGrid cells implemented
  • Warn and skip segment if breakline crosses a mesh boundary
  • Merge / Split graphics tool
  • Plot windows now appear outside main frame
  • Interpolate UGrid to UGrid tool
  • Interpolate UGrid to coverage tool
  • xmsng: Progress on Polygon to patch mesh
  • xmsng: Merge triangles to a quadrilateral
  • xmsng: Split a quadrilateral into triangles
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GMS sprint

GMS Sprint January 2016

By mkennard on February 1, 2016

Some of the more notable things completed by the GMS team during the month:

  • Fixed several bugs
  • Updated the help file with 10.1
  • Raster tutorial updated
  • Print Layout (Beta) documented on wiki
  • Updated to MODFLOW-USG 1.3
  • Export UGrid to shapefile without MODFLOW data
  • Refactor of interpolation classes
  • Increased warning levels to 4 for all remaining configurations
  • Investigated VTK contour label solution
  • Deleting of UGrid points
  • Cleaned up display of quadratic UGrid cells
  • Progress on processing tool to interpolate UGrids to UGrids
  • Progress on GUI/library separation with the tree
  • xmsng: Scalar paving
  • xmsng: Edge swap on UGrids
  • xmsng: Created document to document code
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GMS sprint

GMS Sprint December 2015

By mkennard on January 13, 2016

Some of the more notable things completed by the GMS team during the month:

  • Fixed a few bugs
  • Added to wiki for MODFLOW CLN package
  • Started adding lidar example to Rasters tutorial
  • Enhancements to UGrid interpolation
  • xmsng: Finished grid quality metrics
  • xmsng: Finished support for refine points in mesh
  • xmsng: Finished relaxing of mesh points
  • xmsng: Added conversion of linear to quadratic elements
  • xmsng: Added decimaton of an existing UGrid mesh
  • xmsng: Converged on a point in polygon approach, with tests
  • Much code refactoring
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GMS sprint

GMS Sprint November 2015

By mkennard on January 13, 2016

Some of the more notable things completed by the GMS team during the month:

  • Fixed several bugs
  • Added conceptual model support for MODFLOW CLN package
  • Wrote a tutorial for MODFLOW CLN package
  • Implemented VTK to CAD
  • xmsng: Added callbacks during meshing for status
  • xmsng: Added relaxing of mesh nodes
  • xmsng: Added meshing multiple polygons and stitching into one mesh
  • xmsng: Added breaklines in meshing
  • xmsng: Added interpolation to meshed polys
  • xmsng: Started adding support for refine points in meshing
  • xmsng: Started on unstructured grid quality metrics
  • xmsng: Started on support for scalar paving
  • Much code refactoring
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GMS sprint

GMS Sprint October 2015

By mkennard on November 19, 2015

Some of the more notable things completed by the GMS team during the month:

  • Fixed several bugs
  • Combo boxes in table dialog no longer require three clicks
  • UGrid now included in Convert to CAD
  • USACE project work
  • Much code refactoring
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GMS sprint

GMS Sprint September 2015

By mkennard on October 29, 2015

Some of the more notable things completed by the GMS team during the month:

  • Fixed several bugs
  • More work on isosurface volumes
  • Name file manager preserves original file names
  • PCG7 support
  • Added ability to invert tables to show them like properties
  • Final mod-PATH3DU work
  • Print layout work
  • Work on a mesher for USACE
  • Much code refactoring
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GMS sprint

GMS 10.1 Beta posted

By mkennard on October 29, 2015

GMS 10.1 Beta has been posted on the downloads page. Some of the new features include:

  • GNC (Ghost Node Correction) Package for MODFLOW-USG
  • SWI (Seawater Intrusion) Package for MODFLOW-USG
  • CLN (Connected Linear Network) Process for MODFLOW-USG
  • Import of MODFLOW-USG models created outside GMS
  • Observations for MODFLOW-USG
  • Pilot points for MODFLOW-USG
  • Name file / unit number manager and improved support for unsupported packages
  • A Cell Summary text file as part of the MODFLOW solution
  • mod-PATH3DU particle tracking
  • UGrid refinement
  • UGrid isosurfaces
  • UGrid interpolation
  • UGrid vector display
  • Several new options for exporting files: VTK, Shapefiles, TOUGH2, GSF...
  • 6 new tutorials
  • ...and many more new features and user requests
See the full list of What's New in GMS 10.1.

GMS and TOUGH2

By mkennard on October 1, 2015

The image below comes from a poster presentation created by a GMS user, Andrea Borgia, who has been using GMS for pre- and post-processing of TOUGH2 models. Although GMS doesn't have an interface to the TOUGH2 model, Andrea has developed a workflow to make it work. In GMS 10.1 it will be possible to export UGrids to TOUGH2 MESH input files. Thanks Andrea!

GMS TOUGH2 poster

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