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FAQ 003583 EN-US

09/12/2019

Gerhard Rehm Results RFEM

An apparently insufficiently supported member does not lead to instability of the entire system. What is the reason for this?

Answer

The cause may be the definition of member eccentricities. For a better overview, the origin lines are automatically hidden for eccentric members. In some cases, it may appear that a member end is not sufficiently supported (see Figure 01, left). However, the meshed line acts in the background. This can be clearly shown by hiding the members in the Display navigator (see Figure 01, right).

In Figure 01, the line at the common node has not been geometrically separated. For this reason, no graphical connection line that represents the eccentricity results in this case. However, because of the setting shown in Figure 02, the node is still networked with the vertical member.

To visualize the graphical connection line, it is recommended to divide the member or line at this node (see Figure 03)

Keywords

Eccentricity Unstable Support

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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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