In RFEM, I would like to apply a load on a circular ring modeled as a member with the load generator. However, the curved member is not taken into account. Why?

Answer

The [Generate Loads → From Area Load on Members via Plane...] function requires to generate the defined plane from a continuous line. If the curved member is generated from arcs, the plane as a polygon cannot find the outline of the arc, because it is only an approximation. In short, curved members cannot be loaded by using the load generator in RFEM.

In this case, it is recommended to create the curved member by using several straight member segments. Thus, the continuous line can be run cleanly. In order to quickly create the corner nodes of the polygon chain, it is recommended to prepare them in Excel, for example, depending on the number of member segments. In this case, the numbering of nodes is important. The procedure is shown in the video.

Keywords

Curved member Arc Load generator

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RFEM Main Program
RFEM 5.xx

Main Program

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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3,540.00 USD