Select the Aspect Ratio option from the Category list to check for tetrahedra with high aspect ratios.
The aspect ratio of a tetrahedral element refers to the relationship between the width and height of the element.
Aspect ratios can affect both the accuracy and time of analysis.
For more information refer to High aspect ratio (3D)
Dialog elements
When the Aspect Ratio text is selected from the Category section of the dialog, the following options appear.
- Issues
- The number of tetrahedra with an aspect ratio above the limit is listed. These tetrahedra will be highlighted in the Model pane.
- Aspect Ratio of Tetra
- The minimum, maximum and average aspect ratio is listed.
- Target Value
- The largest acceptable aspect ratio allowed before being flagged as an element with a high aspect ratio.
- 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.