My structure is unstable. How can I identify the location of the instability?


After the calculation is aborted due to the instability, there will be shown a window with "Calculation Errors and Messages". For each displayed message, you can see a yellow arrow on the screen which will guide you to the location of the instability.  
In most cases, the error message contains also a FE mesh node number. 
FE mesh nodes can be found also by using the menu "Edit" → "Find via Number". 


FE mesh node Unstable Find

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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

Price of First License
3,540.00 USD