Select the Large angle option from the Category list to check for tetrahedra with extreme angles between faces.
Dialog elements
Flat tetrahedra will have an angle between one surface and an adjacent surface very close to 180 degrees
These flat tetrahedra can affect both the accuracy and time of analysis.
For more information refer to Tetrahedron with extreme interfacial angles
Dialog elements
When the Large Angle text is selected from the Category section of the dialog, the following options appear.
- Issues
- The number of tetrahedra with an included angle above the limit is listed. These tetrahedra will be highlighted in the Model pane.
- Large Included Angles of Tetras
- The maximum included angle and the maximum aspect ratio within the part is listed.
- Target Value
- The largest acceptable included value is listed.
- Number over target value
- The number of tetra that will need to be addressed.
- Isolate in Layer
- Click the Isolate in Layer button and the defective tetra will be placed onto a diagnostic layer. This enables an easier location and repair of the mesh.
Tip: Use this option if you want to view how the mesh has been altered as a result of the repair, as only defective elements are shown in the model pane and, once repaired, will disappear from the view.
- Repair
- The Repair button will attempt to rectify all the defects found, update the Issues value, and refresh the model pane view after removing any repaired elements.
- Repair Checked
- Selected categories will be repaired where possible.
Note: Inverted Tetra and Collapsed Faces cannot be repaired automatically.
- Settings
- Opens the Settings for 3D Mesh Repair dialog. From within this dialog the scanned defect limits can be adjusted.
- Close
- Closes the dialog without making any further repairs.