FAQ 000519 ES

Cálculo RFEM RSTAB

If I limit the number of iterations to "1" in the calculation parameters, what is the effect on the internal forces?

Respuesta

Of course, the calculation is faster, BUT: The results are only correct if just one iteration is necessary. This works, for example, for load cases using linear static analysis. Object with nonlinear properties (tension and compression members) may not fail.

Load combinations according to second-order analysis, however, require an iterative calculation. The results for only one iteration are therefore not correct.

The number of possible iterations should always be sufficiently high. The number may also be much higher than the actually needed number of iterations, because the program will perform as many iterations as required.

Results table 4.0 shows how many iterations were run.

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RFEM Programa principal
RFEM 5.xx

Programa principal

Software de ingeniería estructural de análisis por elementos finitos (AEF) para sistemas estructurales planos o espaciales compuestos de barras, placas, muros, láminas, sólidos y elementos de contacto

RSTAB Programa principal
RSTAB 8.xx

Programa principal

El software de ingeniería estructural para el análisis y dimensionado de estructuras de barras, pórticos y entramados realizando cálculos lineales y no lineales de los esfuerzos internos, deformaciones y reacciones en los apoyos