Tutorial B1: Set Up the Analysis

1. The square back face of the bracket is fixed. Use the View Cube to orient the part so that you have a clear view of the back face. Right-click on Constraints under Subcase 1 and select New.
   

   All the entities that you will be creating will also appear in Model Entity list. This list will expand as the modeling progresses. The Model Entity list provides a means of easily applying entities to other subcases as well.

2. When the Constraint dialog appears, select the back face.
   
3. Type Fixed Back Face for the Name of the constraint.
   Note: In the Display Options section of the Constraint dialog, you can adjust the size, number, and color of the constraint symbols that appear in the part display.
4. Be sure that Subcase 1 is selected in the Subcases list, and then click OK. This will automatically add the constraint to Subcase 1.

   

5. Right-click on Loads under Subcase 1 and choose New. In this subcase, the load is a 100 KN force applied to the first bolt hole of the bracket in the positive x-direction.
   
6. Enter Axial Loading in the Name field.
7. Select the interior surface of the first bolt hole farthest from the back face and type in 100E3 for Fx.
   Note: In the Display Options section of the Load dialog, you can adjust the size, number, and color of the load symbols that appear in the part display.
8. Be sure that Subcase 1 below the Subcases list is selected.

   

9. Then click OK.

   You can also drag-and-drop different entities in the tree view. For example, the Axial Loading load and the Fixed Back Face constraint can be dropped on top of the Subcase 1 name. The model should look as shown below.

   

   You can hide the loads and constraints. Click on Autodesk Nastran menu tab on the top of the CAD interface, and then choose Default Settings under the System panel on the ribbon. Then click Display Options and uncheck the Loads and Constraints checkboxes. They can also be hidden by right-clicking on the Loads or Constraints within the Subcases section in the tree and checking Hide All.

   

10. In the tree view, right-click on Analysis 1 and select Edit.
11. Type Linear Static Analysis for Name, type Axial Loading for Title, and select Linear Static for the analysis Type.
12. Ensure that Displacement is checked under Nodal Output Control and Stress is checked under Elemental Output Sets, then click OK.

    

    Later in this tutorial, another subcase will be added to the model with a vertical load. Save the model at this point.