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Verde Mesh Verification Suite

Verde is a software tool for verifying the quality of finite element models. These quality measures are calculated by Verde:

  • A wide range of element metrics, including state of the art algebraic metrics.
  • Model topology.
  • Interface continutity.
  • Connectivity problems.

Verde provides a cross-platform graphical user interface and graphical and numeric output useful for evaluating the quality of a finite element model. It is designed to be a testbed for additional metrics research.

 

Other features include:

  • Mesh Editing
    • Read in one or multiple mesh files
    • Select desired blocks, sidesets, and nodesets for output.
    • Output selections to a new mesh file.
  • High-Quality Graphics
    • Color code element blocks.
    • Draw labels for nodes and elements.
    • Choose label font.
    • Draw individual nodes and elements.
    • Fit model to screen automatically with AutoFit option.
    • Perform model transformations quickly with Quick Transform option.
    • XYZ reference axis shows current spatial position of model.
    • Toggle between perspective and orthographic views.
    • Customize mouse buttons to control rotate, pan, and zoom acoording to user preferences.
    • Adjust size of points.

Other Benefits:

  • Output of quality information is organized into algebraic, traditional, and diagnositc areas.
  • Defaults file is now in standard journal file format (a converter is available for old-style
    defaults files)
  • Verde now remembers its layout, including window positions.
  • Improved detection of internal quads sharing three nodes.
  • Improved block activation/deactivation speed.

Areas of Research:

Demonstration pictures are available at: http://cubit.sandia.gov/verde/verde_images.html.

Program Contact: Ted D. Blacker


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Maintained by: Bernadette M. Watts
Modified on: May 6, 2008