Coarsen a 2D Mesh
Coarsen 2D components to the given element size.
- 
                From the Elements ribbon, click the Coarsen > 2D tool. 
                

Figure 1. - Click Components on the Target selector on the guide bar.
 - Select components.
 - Optional: Click Anchors on the guide bar and select anchor nodes.
 - Optional: 
                On the guide bar, click 
 to define coarsen
                    options.
             - 
                Click Coarsen on the guide bar.
                The mesh is coarsened.