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Geometry idealization > Creating midsurfaces before meshing

Modify the face pairs in an existing midsurface

When you create a midsurface with the Midsurface by Face Pairs command, the software stores the information about each face pair as a separate node in the part's history tree. To modify a face pair, select the appropriate pair from the Part Navigator. You can then use the options in the Midsurface by Face Pairs dialog box to:

  • Add or remove faces from side 1 or side 2 of the pair.

  • Click Reverse Face Pair to swap the side 1 and side 2 designations.

  • Select a replacement mid-sheet to use instead of the paired faces.

  • Modify the mid-sheet creation or trimming method for the pair.

Deleting a pair of faces

To delete face pairs or midsurface features, right-click the appropriate pair from the Part Navigator and select Delete.

How do I

Create a midsurface by face pairs

Define a midsurface with the Offset method

Define a midsurface with the User Defined method

Insert a replacement mid-sheet into a face pair

Learn more

Creating midsurfaces before meshing

Selecting appropriate parts for midsurfacing

Creating a midsurface by pairing faces

Understanding face pair creation

Working with the Face Pair list

Understanding midsurface creation and trimming methods

Controlling midsurface display

Creating a midsurface with the Offset method

Creating user-defined midsurfaces

Quick links

Command reference

Pre/Post video examples

Bulk Entry Descriptions

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Modify the face pairs in an existing midsurface, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id1004434 · retrieved 2026-07-17