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Getting started > Assemblies concepts in Pre/Post

FE model in context

Because Pre/Post uses the Assemblies architecture, you can set the work part independently of the displayed part just as in the Assemblies application. In Pre/Post, this capability is known as FE model in context.

  • When working with large or complex CAE models, FE modeling in context saves time and reduces resource consumption as compared to changing the displayed part each time.

  • When meshing components of an assembly FEM, FE modeling in context enables you to quickly compare the relative mesh topologies where components connect. You can then edit your meshes using mesh controls, manual editing, and so on, to ensure high-quality connections between component FEMs and improve your model.

When you change the work part in the context of the displayed part, the menus, ribbon bars, and shortcut menus change to reflect the commands available for that part.

An assembly FEM of a disk brake assembly. (1) The assembly FEM is both the displayed and the work part. (2) The disk is the work part. (3) The brake pad is the work part. (4) The caliper is the work part.

FE model in context helps support many workflows, including the following:

  • With an assembly FEM displayed, make a component FEM the work part to create or edit meshes, clean up or modify polygon geometry, or modify physical and material properties.

  • With an assembly FEM displayed, make a subassembly FEM the work part to resolve label conflicts or edit connection meshes.

  • With a Simulation displayed, make the component FEM the work part to modify meshes or polygon geometry in the context of applied loads and boundary conditions.

  • With a FEM displayed, make the idealized part the work part to create or modify geometry in the context of the mesh.

When the work part is different from the displayed part, the software indicates this in several ways:

  • The work part and displayed part are indicated in the main window title bar.

  • The work part is highlighted in blue in the Simulation Navigator, and indicated in the Status column. Non-work-part nodes in the Simulation Navigator are dimmed.

  • In the graphics window, non-work parts are displayed as translucent.

Where do I find it?

Application Pre/Post
Simulation Navigator Right-click a CAE model component node→Make Work Part, Make Displayed Part.
Simulation File View Right-click a loaded CAE model file→Make Work Part, Make Displayed Part.
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FE model in context, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid456313 · retrieved 2026-07-17