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Assembly FEM > Associative workflow

Replace component FEMs

  1. In the Simulation Navigator, right-click the component FEM node and choose Replace Component.Note: You may see a message to inform you that if you want to maintain group relationships, they are maintained using the group name, and only for loaded FEM files. For more information, see step 3 below.Click OK to dismiss the message.You may see a message stating that the displayed part is not a part file, and the software cannot maintain associative relationships. If you replace a component FEM that is mapped to a CAD component, the associative link is deleted and the CAD component status reverts to Ignored.To continue to replace the component FEM, click OK.

  2. In the Replace Component dialog box, select the replacement FEM component from the Loaded Parts list, or click Open to browse for a FEM file.For more information about the Replace Component dialog box, see Replace Component.

  3. If you have a 1D connection that connects the component FEMs, and that connection references a group of points, polygon edges, or polygon faces, you can select the Maintain Relationships check box to maintain the group references in the connection after the component is replaced. The name of the group in the replacement component FEM must be the same as the name of the group in the original component FEM (the references are maintained using the name of the group). Expand the Settings group (it may be hidden at the bottom of the dialog box).Select the Maintain Relationships check box.

  4. Click OK.The replacement component FEM replaces the original component FEM as a child node of the assembly FEM in the Simulation Navigator. The replacement component FEM appears in the graphics window and inherits the assembly orientation from the original component FEM.If the original component FEM is mapped to a CAD component, the mapping is deleted and the CAD components status reverts to Ignored.Any FEM connections that depend on the removed component are deleted, unless they were defined on groups and you selected the Maintain Relationships option as described in step 3.Before replacing componentAfter replacing component Assembly FEM Assembly FEM Loaded CAD assembly Loaded CAD assemblyCAD component 1 (Mapped) CAD component 1 (Mapped) CAD component 2 (Mapped) CAD component 2 (Mapped) CAD component 3 (Mapped) CAD component (Ignored) Component FEM 1 Component FEM 1 Component FEM 2 Component FEM 2 Component to replace Replacement component 1D Collectors 1D Collectors RBE3 Collector RBE3 Collector connection_recipe_1_mesh Connection Collectors connection_recipe_2_mesh Connections Connection Collectors Connections connection_recipe_1 connection_recipe_2

  5. If the replacement component FEM does not share the same orientation with respect to its work coordinate system as the original component, you may need to move the component FEM.

  6. Resolve label conflicts following any change to the assembly FEM structure or its component FEMs.

How do I

Map assembly components to existing FEM files automatically

Map an assembly component to an existing FEM file

Map an assembly component to a new FEM file

Position a component or subassembly FEM using coordinate systems within an assembly FEM

Manage component FEM loading

Ignore CAD component mapping

Remove component FEMs

Override component FEM properties

Learn more

Associative workflow

Mapping CAD components to FEMs

Positioning component and subassembly FEMs within an assembly FEM

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Replace component FEMs, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id623266 · retrieved 2026-07-17