12 September 2019

FAQ 003580 EN

Sonja von Bloh

Modeling | Structure


During the plausibility check, I receive an error message about the overlapping of one or more polyline segments. How can I fix it?


The polyline displayed in Figure 1 was created in the order of Nodes 1 → 2 → 3 → 4 → 5. This is also visible in column B 'Node No.' Table '1.2 Lines'. Thus, the line segments between nodes 3, 4 and nodes 4, 5 are overlapping so that the error message in Figure 2 is displayed.

The order of the nodes must be changed so that no line segments could overlap. In this example, we want to specify the order of Nodes 1 → 2 → 3 → 5 → 4, as shown in Figure 3.

You can also use the 'Explode Polyline' function to decompose the polyline (Figure 4). Then, two lines are created between nodes 5 and 4. Then, delete a line. You can also use the 'Regenerate Model' function in the 'Tools' menu.

Both approaches are demonstrated in the video.


Polyline segment Overlapping Error No. 227 Polyline


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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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