FAQ 004285 EN-US


René Flori Data Management RFEM

When analyzing in RF-STABILITY, I get the message 'The Stiffness Matrix is Singular!' The structure is unstable in the FE mesh node XY. How to find this FE mesh node?


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


Find FE mesh node Number

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RFEM Main Program
RFEM 5.xx

Main Program

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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