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Problem Specification
1. Pre-analysis
[2. Geometry]
[3. Mesh]
4. Setup (Physics)
5. Solution
6. Results
7. Verification and Validation
Exercises

Step 4: Setup (Physics)

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Now it is time to prepare the connection definitions.  Normally, the program's definitions is able to read the geometry and automatically link it correctly with connections.  However, we have all the types of geometry: Shell (a 2-D plane that has a defined, but not meshed, thickness), a line body (a 1-D body with a defined, but not meshed, cross-section) and a Solid (a normal, meshed, 3D material), and the program does not automatically know how to connect between those things.  Is it a rotating joint, a solid joint, maybe translational?

We will have four types of connections we need to define: 1. Rigid joint to surface. 2. Solid surface to Shell Surfaces. 3. Solid edges to shell surfaces and 4. Rigid Joint to Solid surface.

1. Rigid Joint to Surface.

First, we need to create a Joint Connection:   Right click on Connections and select Insert>Joint.

Now, use the Vertex tool to select the point where the line bodies intersect, "above" the flexure mount and apply it as the "Mobile" Geometry selection.  Then select the face of the flexure mount near the vertex (using the surface select tool) and then apply it as the Reference Geometry selection.

Do this for the remaining flexure mounts, and the center submount.  There should be a total of 9 Joints created from this.

2. Solid Surface to Shell Surface

Hide the Bodies so only the shell model of the subframe closest to the Flexure mount is showing.

Insert a new Manual Contact Region.  Right Click on Connections, Insert>Manual Contact Region.

For this contact, you will want to select the four faces of the shell geometry (Face Sheet Surface_100mm holes) and apply it as the contact bodies (Red).  Then select the flexure mount surface near it and apply it as the target body (blue).  You should be able to select it through the shell model.

Repeat for the remaining seven flexure mount and center subframe connections.

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