FAQ 004285 | When performing an analysis in RF‑STABILITY, I get the message "The stiffness matrix is singular! The structure is unstable. Instability found in FE mesh node XY." How can I find this FE mesh node?

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First Steps with RFEM

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13 December 2019

001097

René Flori

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Question

When performing an analysis in RF‑STABILITY, I get the message "The stiffness matrix is singular! The structure is unstable. Instability found in FE mesh node XY." How can I find this FE mesh node?

Answer

In RFEM, it is possible to search for FE mesh nodes by using the menu "Edit"→ "Find via Number." An existing FE mesh is required, of course.

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Dlubal FAQ Find FE mesh node Number Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Views 335x
  • Updated 19 November 2020

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