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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 Concrete Structures Steel Structures Timber Structures Structural Analysis & Design

Is there a possibility to influence the distribution of loads? We would like to influence the stiffnesses of the walls, but we did not find a possibility for this.

Answer

The easiest way to manipulate the stiffness is to use a new material where the shear modulus and the shear modulus are manually reduced and assigned only to the corresponding walls. Alternatively, you can use line hinges with translational springs at the connection to the floor.

Otherwise, there is the option to use a scaling factor for E and G. However, a new material would have to be created for this as well. However, it is a bit prone to errors because this stiffness reduction has to be assigned to the desired LCs and LCs. It is thus not automatically applied to all LCs and COs, but only to those assigned - unless the button "Settings ... for all LCs "" is activated.

Keywords

Reduce stiffness Modify stiffness

Reference

[1]   Manual RFEM. (2018). Dlubal Software: Tiefenbach.

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