Applying pretension to bolted and screwed connections allows a more complete understanding of the behavior of a structure.

Altair Inspire with OptiStruct does not support frequency response with pretension. Altair Inspire with SimSolid does not support sequential loading with pretension.

Pretension Properties

Following is a list of pretension properties and the types of objects to which they apply (indicated in parentheses).

  • Press F3 to open the Property Editor.
  • Use Enable (fasteners)
    1. Select the checkbox to allow entry of a pretension force for fasteners.
  • Use Force (fasteners)
    1. Enter a magnitude for the pretension force.