FAQ 000842 EN

Calculation RF-STABILITY

Sometimes I obtain negative critical load factors in RF-STABILITY. How do I go about this?

Answer

If you obtain negative critical load factors in the module, increase the number of the eigenvalues (eigenvectors) to be determined. If there are not enough eigenvalues, it is not possible to hide the negative eigenvalues and thus show only positive, realistic results.

For these eigenvalues, no stability failure occurs due to tension forces and no conclusion can be made about the buckling behavior of the model.

Alternatively, you can use the ICG iteration to exclude negative critical buckling factor.

Contact us

Contact to Dlubal

Have you found your question?
If not, contact us or send us your question via the online form.

+49 9673 9203 0

info@dlubal.com

RFEM Other
RF-STABILITY 5.xx

Add-on Module

Stability analysis according to the eigenvalue method

Price of First License
1,030.00 USD