FAQ 000674 FR

Calcul RFEM RSTAB

For the results of a result combination, I noticed that for many extreme locations the output is zero, although a value is to be expected there. What is the reason for this?

Réponse

If you analyze several load cases or combinations in one result combination and define the load cases as "Variable," then zero is shown for the maximum or minimum value at locations with the same signs. When using the "Variable" ("eventual") superposition, it can also happen that no load case or no combination becomes effective. Zero is smaller than the smallest maximum value or greater than the greatest minimum value.

A solution would be to define the load cases or combinations contained in the result combination as "Permanent," for example:

RC1 = CO1/Permanent or CO2/Permanent or CO3/Permanent or CO4/Permanent

The load cases or combination are then compared as permanently acting. Thus, the obtained extreme values are unequal zero also for regions with the same signs.

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RFEM Logiciel principal
RFEM 5.xx

Programme de base

Logiciel de calcul de structures aux éléments finis (MEF) pour les structures 2D et 3D composées de plaques, voiles, coques, barres (poutres), solides et éléments d'assemblage

RSTAB Logiciel principal
RSTAB 8.xx

Programme de base

Logiciel de calcul de structures filaires composées de charpentes, poutres et treillis. Il permet le calcul linéaire et non linéaire des efforts internes, des déformations et des réactions d'appui