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  1. Figure 01 - Option "Save the results of all load increments"

    Iterative RFEM Calculation with Load Increments

    The calculation in RFEM is usually carried out in several calculation steps, the so-called iterations. It is then possible to consider particular characteristics of the model such as objects with nonlinear functions. In addition, by using the iterative calculation, nonlinear effects are taken into account which result from changes in deformation and internal forces in case of the second-order analysis or when considering large deformations (cable theory). In case of complex models, geometric linear calculations are usually not sufficient.

  2. Figure 01 - Model of Steel Shell Structure

    Plate Buckling Analysis of Steel Shell Structures Using MNA/LBA Concept

    Shell buckling is considered to be the most recent and least explored stability issue of structural engineering. This is less due to a lack of research activities, but rather due to the complexity of the theory. With the introduction and further development of the finite element method in structural engineering practice, some engineers no longer have to deal with the complicated theory of shell buckling. Evidence of the problems and errors to which this gives rise is very well summarized in [1].

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First Steps

First steps

We provide hints and tips to help you get started with the main programs RFEM and RSTAB.

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