Why do the equivalent stresses of RFEM and RF-STEEL differ from each other, although the same CO is considered?

Answer

It is possible to display or calculate the stresses in RFEM as well as in the add-on module by means of the following smoothing options:

  • Constant on elements
  • Not continuous
  • Continuous within surfaces
  • Continuous total
  • Continuously by groups or Continuous by groups

To compare the results, the same display type and calculation type must be selected in RFEM and RF-STEEL Surfaces.

In RFEM, it is possible to do this in the Project Navigator Show → Results → Surfaces → Distribution of Internal Forces/Stresses (Figure 02). In RF-STEEL Surfaces, this can be displayed or changed in the Details → 'Options' tab (Figure 03).

Keywords

Stress Equivalent stress Differences in result Smoothing type Distribution of internal forces Constant on elements Not continuous Continuous within surfaces Continuous total Continuously by group Continuous by groups

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RFEM Steel and Aluminum Structures
RF-STEEL 5.xx

Add-on Module

Stress analysis of steel surfaces and members

Price of First License
1,030.00 USD