After you mesh a FEM model, Mechanica treats the model as though it has two separate objects to display—a geometry model and a mesh model. The geometry model includes the geometry itself as well as the properties and entities associated with the geometry. The mesh model includes the mesh as well as any attributes of the mesh.

The following Simulation Display options control how Mechanica displays the geometry and mesh models:

• Mesh and Model check box on the Mesh tab.

• No Mesh option from the Mesh Display Mode drop-down menu

You can use the Mesh And Model check box on the Mesh tab of the Simulation Display dialog box to display both the geometry and mesh models while you are working with functionality in which only the mesh model is active. This prevents portions of your model from disappearing from the screen if you remove a mesh. Here are the situations in which only the mesh model is active:

• Immediately after you create a mesh

• When you are refining a mesh using Mesh>Improve

• When you are reviewing a mesh using Mesh>Review

• When you are deleting a mesh using Mesh>Erase

• When you are performing mesh operations using Mesh>Operation

• When you are running an analysis

• When you are viewing results

You use the No Mesh option to turn off the mesh line display. Regardless of how you set the Mesh and Model check box, you can only use the No Mesh option when both the geometry and mesh models are active in the overall model—for example, when you add properties, loads, constraints, and so forth. You cannot use the No Mesh option if only the mesh model is active.

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