During the plausibility check, I get an error message saying that one or more polyline segments overlap each other. How can I solve this?


The polyline displayed in Figure 01 has been created in the order of Nodes 1 → 2 → 3 → 4 → 5. This is also visible in Column B "Node No." of Table "1.2 Lines." Thus, the line segments between Nodes 3, 4 and Nodes 4, 5 are overlapping, so that the error message shown in Figure 02 appears.

The order of the nodes must be changed in the way that no line segments overlap each other. In this example, it would be the order of Nodes 1 → 2 → 3 → 5 → 4, as shown in Figure 03.

You can also use the "Explode Polyline" function to decompose the polyline (Figure 04). Thus, two lines are created between Node 5 and Node 4. Then, you can delete the line. For this, it is also possible to use the "Regenerate Model" function in the "Tools" menu.

Both procedures are shown in the video.


Polyline segment Overlapping Error No. 227 Polyline


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RFEM Main Program
RFEM 5.xx

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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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