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2026-04-23

Creating Imperfection with Mode Shape from ULS

How can I apply the mode shape of a load combination from the ULS as an imperfection in RFEM 6?


Answer:

To create an imperfection based on a mode shape, the “Structure Stability” add-on is required.

After the governing mode shape has been determined in ULS using the “Structure Stability” add-on, it is necessary to copy the mode shape into the “Load Combinations.” Only then can the mode shape be applied as an imperfection using the following options:

“New Imperfection Case”
“Buckling Mode”

The procedure is described in the video.


Author

Till supports product development and contributes to technical development tasks as part of the team.



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