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<iframe width="600" height="338" src="//www.youtube.com/embed/UxJtAwVM8Lo?rel=0" frameborder="0" allowfullscreen></iframe>

Summary of steps in the above video:

1. To double check on mid-side nodes:
   1. Zoom in to top left corner of rectangle by holding down the right mouse button and drawing a box over the area to which you want to zoom into.
   2. In the toolbar menu, click on Select Type (Geometry/Mesh) > Select Mesh.
   3. In the toolbar menu, click on Select Mode > Select Box Select.
   4. Draw a box over a few elements in the mesh by holding down the right mouse button.
2. To get rid of midside nodes:
   1. Highlight Mesh in the Project Tree.
   2. In Details of ‘Mesh’, expand Advanced. Element Midside Nodes > Dropped.
   3. Click Update.
   4. Repeat steps 1a-d to check that midside nodes have been dropped. 
3. Save Project. 

Go to Step 4: Physics Setup

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