From FreeCAD Documentation
- To enable the function a mesh must be first provided FEM mesh from shape by Gmsh.
- Select the Mesh object in the Model Tree and press the FEM mesh refinement button.
- Select the Mesh object in the Model Tree and select the Mesh → FEM mesh refinement option from the menu.
- Edit the maximum element size for the region.
- Click the OK button.
- Close the task.
- Result: You now should see a new
FEMMeshRegion
object under the FEMMeshGMSH
object (see example #3 below) in your active analysis container.
- Double-click on the
FEMMeshGMSH
parent object in your Model Tree and press Apply to force a mesh recalculation.
- Close the task.