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Boundary conditions > Solver sets > Load sets

Bolt Load Set

Use a Bolt Load Set to organize the bolt preloads for use in a Simcenter 3D Multiphysics analysis.

The only type of load that you can add to a Bolt Load Set is a Bolt Pre-Load.

If you enable bolt sequencing, the bolt preloads in any given load set are applied simultaneously. For more information, see Controlling the order of bolt preloads

Corresponding Nastran Syntax

The Bolt Load Set command corresponds to the BOLTLD bulk data entry.

The Label field in the Bolt Load Set dialog box assigns the SID for the BOLTLD and BOLTFRC bulk data entries.

The Number of Increments field in the Bolt Load Set dialog box corresponds to the NINCi field in the BOLTSEQ bulk data entry.

Where do I find it?

Application Pre/Post
Prerequisite A Simulation file as the work part and displayed part Simcenter Nastran or Simcenter 3D Multiphysics as the specified solverStructural or Coupled as the specified analysis typeSOL 401 Multi-Step Nonlinear (Simcenter Nastran) or Multi-Step Nonlinear (Multiphysics) as the specified solutionPreload as the specified step type
Simulation Navigator Right-click Solver SetsNewBolt Load Set
How do I

Create a load set

Add a load to a load set

Learn more

Load sets

Load Set (General)

Acoustic Load Set

Acoustic Source Load Set (Legacy)

Frequency Excitation Set

Transient Excitation Set

Quick links

Command reference

Pre/Post video examples

Bulk Entry Descriptions

Simcenter 3D tutorials

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Bolt Load Set, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1175379 · retrieved 2026-07-17