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5.5.2 Generated Combinations
When switching to the Load Combinations dialog tab or to Table 2.5, RFEM automatically creates the combinations. As the load cases are not superimposed manually, the General tab looks different (see Figure 5.31, for user-defined combinations).
Load combinations generated from action combinations are consecutively numbered.
You can filter the generated combinations according to specific criteria using the selection field in the bottom of the Existing Load Combinations dialog section.
RFEM assigns short descriptions that express combination rules and are based on the safety factors and load case numbers. You can change these descriptions, if necessary.
Click the dialog button to jump back into the Action Combinations dialog tab (see Chapter 5.4) where the action combination that the current load combination was created with is selected.
This check box controls the result determination for the load combination(s) selected in the Existing Load Combinations dialog section.
The columns show the load cases including the corresponding partial safety factors and combination coefficients. It is not possible to modify the factors of generated combinations.
If a load case is assumed to be Leading in the combination, it is marked accordingly in the dialog box.
To check and, if necessary, adjust the partial safety factors and combination coefficients, use the [Details] dialog button. The Coefficients dialog box is divided into several tabs (see Figure 12.27 and Figure 5.24).
The generated load combinations cannot be edited, only deleted or excluded from the calculation with the To Solve check box.
You can add a user-defined combination with the [New] button in the bottom left corner of the Existing Load Combinations dialog section. To enable the manual definition, the General dialog tab's look is adjusted.
The previous Chapter 5.5.1 describes in detail how load combinations can be created manually.