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 Method of analysis

Figure 01 - Method of Analysis

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10 February 2020

FAQ 004331 EN

Markus Baumgärtel

General

RFEM

RSTAB

How can I set as quickly as possible that the load combinations generated by the program will be calculated according to the geometrically linear analysis, for example?

Answer

In the "Edit Load Cases and Combinations" dialog box, you can specify in the bottom right of the "Combination Expressions" tab which method of analysis should be used as the basis for the generated load combinations. By default, the linear calculation according to the geometrically linear analysis is preset for load cases and the nonlinear calculation according to the second-order analysis for load combinations.

Thus, you can quickly determine whether the load case or the load combination is calculated according to the geometrically linear, second-order, or large deformation analysis. The postcritical analysis option allows you to carry out the stability analysis according to the large deformation analysis with regard to the post-critical failure of the entire structure.

In case the model includes cable members, the calculation according to the large deformation analysis is preset in all cases.

Keywords

Method of calculation Calculation parameters Method of analysis Geometrically linear analysis Second-order analysis Large deformation analysis Post-critical failure

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