FAQ 004460 | I have a model with solids, the calculation reports a singularity. How do I fix this model?

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First Steps with RFEM

First steps

We provide hints and tips to help you get started with the basic program RFEM.

06/25/2020

001488

Robert Martinec

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Question

I have a model with solids, the calculation reports a singularity. How do I fix this model?

Answer

The solids are connected by using surface release with the "fixed if negative pz" nonlinearity. The force pz is derived on the basis of the orientation of the contact surfaces. If the orientation of both surfaces is the same and you want the compressive load to be transferred between the surfaces, it is necessary to use the "fixed if positive pz" nonlinearity.

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Dlubal FAQ Solids Surface release Nonlinearity Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Updated 07/09/2020

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