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Reduce stiffness

Figure 01 - Reduce stiffness
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FAQ 002755 EN 1 April 2019

Markus Baumgärtel Modeling | Structure RFEM

Is there a way to influence the distribution of loads? We would like to influence the rigidity of the walls, but we have found no way to do so.

Answer

The easiest way to manipulate rigidity is to use a new material that manually reduces the modulus of elasticity and shear, and assigns it only to the appropriate walls. Alternatively, you can use such line joints with springs on the connection to the ceiling.

Otherwise it is still possible to use a scaling factor for E and G. But also for this one would have to create a new material. However, it is a bit prone to error as this stiffness reduction must be assigned to the desired LF's and LK's. It is not automatically applied to all LF's and LK's, but only to those assigned - unless the button "Settings ... for all LK's use "is pressed.

Keywords

Reduce stiffness Modify stiffness

Reference

[1]   Manual RFEM. (2016). Tiefenbach: Dlubal Software.

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