Bolt Pre-Load dialog box (ANSYS)

Type
Type	Controls the type of bolt pre-load to create.Force on 1D elements: Applies a concentrated load (force) to the bolt.Adjustment on 1D elements: Applies a tightening adjustment to change the length of the bolt.
Destination Folder
Load Container	Specifies the folder in the Simulation Navigator in which the boundary condition will be stored. The list includes the root container and existing folders that you created using the New Folder command. Examples of a root container include Load Container, Constraint Container, and Simulation Object Container.
Folder Manager	Displays a hierarchical listing of existing folders. To create a new folder, right-click any level of the hierarchy and choose New Folder.
Model Objects
Group Reference	Lets you apply the bolt pre-load to a group.For more information, see Group Reference options.
Select Object	Lets you select the geometry or FE entities on which to apply the pre-load. ExcludedLets you remove individual entities from within the selected object.
Stacked Smart Selector Methods	Opens the Smart Selector Methods dialog box where you can specify a progression of smart selection filters.For more information, see Smart Selector Methods dialog box.
Magnitude
Force (Force on 1D elements type)Adjustment (Adjustment on 1D elements type)	Specifies the magnitude of the force to apply to the bolt or the length adjustment for the bolt. For more information, see Additional magnitude options.
Initial Action Key
KINIT	Controls how the software applies the load.LOCK: Lets the software apply the specified pre-load in the current load step and then “lock” the load value in the next load step. Locking the load value effectively changes a force type load to a displacement type load. This allows you to apply operating loads to the bolt in the next load step while maintaining the specified pre-load.SLID: Lets the software apply the specified pre-load in the current load step and then not maintain the specified pre-load in the next load step. This allows you to then apply another pre-load in a subsequent load step or to ignore the initial pre-load altogether.TINY: Appears when Type is set to Force on 1D elements.Lets the software apply a very small pre-tension load (equal to 0.1% of the specified Force) to the bolt. This small load prevents convergence problems in the solver if you do not apply the pre-load in the first load step in the analysis.For more information, see SLOAD in the ANSYS Command Reference manual.
Card Name	Displays the name of the solver card for the load.

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Define a bolt pre-load (ANSYS)

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Bolt pre-loads with ANSYS

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Bolt Pre-Load dialog box (ANSYS), Simcenter 3D 2021.1 Series

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