Design Modeler – Symmetry

Source: sharcnet

The Symmetry feature is a tool used to define a symmetry model. The feature takes either all the bodies or selected bodies of the model as input and accepts up to three symmetry planes. You can choose either full or partial models to work with. If a full model is used, the selected symmetry planes will slice off the model and only a portion of the model will be retained. The valid body types for this feature are surface and solid.

During the model transfer from ANSYS DesignModeler to the Mechanical application, the faces and edges coincident to the symmetry planes are grouped into a named selection if the Enclosure and Symmetry Processing option is enabled on the Project Schematic. Additionally, each symmetry plane chosen in the Symmetry feature will be transferred to the Mechanical application as a coordinate system. This will happen regardless of the Import Coordinate Systems setting in the Project Schematic.

It is recommended that you do not change the symmetry plane selection after a model has been transferred to the Mechanical application. The Mechanical application will not delete the previous symmetry planes during updating. A similar note applies when using the Named Selection feature.

The following properties allow you to control the behavior of the feature:

  • Number of Planes: This property defines how many symmetry planes are used in the feature.
  • Symmetry Plane1: First symmetry plane selection.
  • Symmetry Plane2: Second symmetry plane selection.
  • Symmetry Plane3: Third symmetry plane selection.


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