FAQ 003508 EN

26 August 2019

Sonja von Bloh Modeling | Loading RFEM

What is the way for loading only a partial area of a rotation-symmetric structural component?


A free variable load allows you to apply a load on surfaces whereby it can vary in height and perimeter.

Figure 1 shows a round container that is only loaded by more than half of the perimeter in the direction of the surface normal. To define a load variable over its perimeter, select the option 'Variable' in 'Along Perimeter'. Use the corresponding button to enter the factors for the load including the angles at which they occur. Furthermore, the rotation axis has to be defined. The factor kα creates a reference to the load value p of the initial dialog box.

Alternatively, it is possible to split the surface into corresponding surface components. Subsequently, a surface load can be applied to the relevant surface components.

The container in Figure 1 has been modeled with two partial surfaces in Figure 2. Thus, it is possible to apply a surface load to the container half to be loaded.


Free variable load Cylinder load Container load


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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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