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  1. Deformations as the First Result of an FEM Calculation

    Internal Forces Diagram/Surface Stresses - Smoothing Options

    The deformations of the FE nodes are always the first result of an FE calculation. Based on these deformations and the stiffness of the elements, it is possible to calculate strains, internal forces, and stresses.

  2. Determination of Story Drift According to ASCE 7-16 Under Seismic Loads

    The story drift of a building provides valuable information about its structural behavior under seismic loads.
  3. Consideration of P-Delta Effects (Second-Order Analysis) in the Response Spectrum Analysis According to ASCE 7-16

    RFEM offers the option to perform a response spectrum analysis according to ASCE 7-16. This standard describes the determination of seismic loads for the US-American market. It might happen that the so-called P-Delta effect has to be considered due to the stiffness of the entire structure to be able to calculate the internal forces and carry out the design.
  4. Internal Force My and Influence Line for My for x = 1.25 m

    Basics to Determine and Evaluate Influence Lines

    Influence lines have become less important nowadays due to the fast computer systems. However, it might be an advantage to use influence lines in the phase of preliminary design, but also in the actual creation of the structural designs. With the RF-INFLUENCE add-on module, it is possible to generate and evaluate influence lines and influence surfaces easily due to a fixed internal force. This technical article describes with a simple example the basics to determine and evaluate influence lines.
  5. Figure 01 - Template Explorer

    Using Templates in VCmaster

    By using an interface, it is possible to export the RFEM/RSTAB printout report to VCmaster and continue editing there. VCmaster is a word processing program for engineers.

  6. Figure 01 - Export to VCmaster

    Export to VCmaster

    Printout reports created in RFEM and RSTAB can be transferred to VCmaster using a direct interface and further processed there. VCmaster (formerly BauText) is a word processing program for engineers. Calculations, drawings, photos and documents from various sources can be easily compiled, managed and used again with VCmaster.

  7. DXF Export of Results on Surfaces

    Until the program version of RFEM 5.06.1103, it was only possible to export the results on surfaces in the form of isolines into a DXF file. As of the program version 5.06.3039, it is now also possible to export the results in the Isobands display option.

  8. Result Interpretation of Smooth Ranges of Result Diagrams

    When evaluating results in smooth state, it is possible to display the average and sum values. This option is also available for parts of a line, a section, and so on. By importing the graphic into the printout report, you can document these values in the structural analysis.

  9. Projection of Average Region Using Vector

    Projection of Average Region Using Vector

    For average regions, it is possible to use a vector as projection. Thus, it is possible to define average regions for curved surfaces as well.

  10. 1 - Effective Area

    Using Result Beam in RFEM

    Since the release of RFEM 5, the ‘Result Beam’ member type has been available. The result beam is a virtual member that does not have any stiffness nor require any support. It can be used in various situations in order to integrate the results from members, surfaces, and solids, and to display them as member internal forces.

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