FAQ 000674 ZH

计算 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?

回答

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 主程序 RFEM
RFEM 5.xx

主程序

结构设计与有限元­分析软件(FEA)可以用于建立平面与空间结构模型,适用于由杆件、面、板、墙、折板、膜、壳、实体以及接触单元等的建模与分析计算。

RSTAB 主程序
RSTAB 8.xx

主程序

空间结构设计与分析软件,主要用于框架、梁与桁架等空间结构的建模与计算。可以输出内力、变形与制作反力的线性与非线性的计算结果。