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For Pretension stress enter a value or expression for σp, the pretension stress in the bolt. The pretension force is computed through multiplication by the actual area of each selected bolt.
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This section is present only in models created in versions prior to 5.3, in which the new Bolt Pretension study type was introduced. The purpose is to maintain backward compatibility for older models.
Select Solve in bolt pretension study only check box to make the bolt pretension degrees of freedom behave as in a version 5.3 model, that is being solved for only in a study step of the Bolt Pretension type. By default, the check box is cleared, and then the bolt pretension degrees of freedom are solved for in any type of study step, unless you explicitly suppress that.
The settings of the Solve in bolt pretension study only check box only affects new study sequences being generated. Existing study sequences will keep the current state for the bolt pretension degrees of freedom.
Once you select the Solve in bolt pretension study only check box, the Solver Suggestion section will be hidden. Thus, it is not possible to clear the check box again. The degrees of freedom created under this Bolt Pretension node from now on assumes the version 5.3 behavior.
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