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Duplicate Nodes dialog box

Nodes to Check
Nodes to Check Lets you controls which nodes the software check for duplicates:Selected: Lets you select a subset of nodes to check.Displayed: Lets you check all currently displayed nodes.
Select Objects Available when the selection type is Selected.Lets you select the nodes that the software checks for duplicates.
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.
Node LabelsNote: You cannot specify node labels in Design Simulation. Available when the selection type is Selected.Lets you add nodes to the selection.Use a space or comma to separate your entries.Use a colon or a dash to add a range of node labels.For example, enter 1:10 or 1-10 to add all the node labels from 1 to 10.Use colons to add an incremented range of node labels.For example, enter:1:9:2 to add node labels 1, 3, 5, 7, 9.1:10:2 to add node labels 1, 3, 5, 7, 9, 10.10:1:-2 to add node labels 10, 8, 6, 4, 2, 1.Press Enter or click Select to add your entries.To edit your selection, click Edit Node Selection .
Settings
Tolerance Sets the tolerance value within which two nodes are considered to be coincident. Too large a Tolerance value may interfere with the software's ability to display and merge duplicate nodes.
Ignore Nodes in Same Mesh Controls which nodes that the software evaluates for coincidence.If you select Ignore Nodes in Same Mesh check box, the software checks for coincident nodes only between different meshes.If you clear the Ignore Nodes in Same Mesh check box, the software checks for coincident nodes, regardless of whether they belong to the same mesh.
Ignore Nodes Connected to Tiny Edges Controls how the software handles nodes that are connected to elements which have an edge smaller than the specified coincident Tolerance.If you select the Ignore Nodes Connected to Tiny Edges check box, the software does not identify nodes that lie within the Tolerance as duplicates.If you clear the Ignore Nodes Connected to Tiny Edges check box, the software identifies nodes that lie within the Tolerance as duplicates.
Merge Settings
Merge Component FEM Nodes Available only when an assembly FEM is the work part.Merges coincident nodes between adjacent component FEMs in an assembly FEM.
Preference Determines which of two coincident nodes that the software retains when merging nodes:None does not consider node numbering when merging duplicate nodes.Retain High Node Label retains the node with highest node label.Retain Low Node Label retains the node with the lowest node label.Retain Selected retains the node that you select from the graphics window.Merge Selected merges the node that you select from the graphics window.
Display Settings
Show Duplicate Nodes Displays the duplicate nodes in the selected meshes or in the active assembly FEM. The duplicate nodes are displayed in yellow.
Show Node Labels Controls the display of the labels (IDs) of any duplicate nodes.
Retained Nodes Specifies the color to use for any nodes that remain after coincident nodes are merged.
Merged Nodes Specifies the color to use for node locations where two coincident nodes were merged successfully.
Unmergeable Nodes Specifies the color to use for coincident nodes that the software was unable to merge.
Merge Nodes Merges a parent node with any child nodes. When the software merges nodes, meshes may appear to move off their parent geometry. However, the meshes remain tied to the parent geometry.With an assembly FEM, this command merges parent nodes in the active assembly FEM with any child nodes in the active assembly FEM or in a component FEM.
How do I

Merge coincident nodes to connect component FEMs

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Merging component nodes with the Duplicate Nodes model check command

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Duplicate Nodes dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id630461 · retrieved 2026-07-17