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Summary of steps in the above video:

1. Open up Model in the Project Schematic
2. Expand Geometry and click on one of the Surface Bodies
3. The yellow highlights Thickness which must be filled in
4. Enter an arbitrarily small number: 0.01 in as thickness does not matter in our analysis

We now show you how to insert commands to the surface bodies so that the stiffness of the gauges are ignored.

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Summary of steps in the above video:

1. Right click the first Surface Body > Insert > Commands
2. Type et,matid,181 (this surface body should be matched with type 181 of the element catalog
3. Then type keyopt,matid,1,2 (specific command for element 181, have a stiffness of 0)
4. Copy paste the code to the two other surface bodies
   
   

For the surface bodies to be fixed to the crank, much like a strain gauge would be perfectly glued on the crank, we need to specify the contacts between these two bodies as being bonded. Here, we show you how to perform this step using automatic connections.

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Summary of steps in the above video:

1. Right click Connections > Insert> Connection Group
2. Right click Connection Group > Create Automatic Connections

(Optional) If automatic connections do not work, then one must define the contacts manually. The following video will show you how to do this.

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Summary of steps in the above video:

1. Click Mesh in the tree > Update
2. Zoom in on surface bodies (strain gauges)
3. Right click on Mesh > Sizing
4. Select Edges on tool bars > hold down Ctrl and select all strain gauge edges
5. In the Details Window, under Type > Number of Divisions
6. Behavior > Hard
7. Update Mesh

Go to Step 4: Physics Setup

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