To optimize node distribution in the mesh

Smooth Nodes moves nodes as required to generate a smoother mesh.

1. Click (Mesh tab > Mesh Edit panel > Smooth Nodes).
2. Select the node(s) which need to be smoothed, by either entering the node number(s) into the Select drop-down list or selecting the nodes on the model.
3. Select Preserve feature edges if you do not want to move nodes on feature edges.
4. Click Apply.

The node(s) move(s), to create a smoother element line.