If you have made all the entries in the Load Cases and Combinations dialog box, you can start the calculation directly there. The selected load case is calculated with the button; With the button the calculation of all load cases and combinations starts.
You can also start the calculation of the current load case with the button in the toolbar (see picture # extbookmark manual|image025752|Calculate load case #). Clicking the button starts the calculation of all load cases and combinations (see chapter Start calculation des RFEM manual).
If the results of the modal analysis load case are not yet available, you can determine the mode shapes in the Selection of Shapes button with the button without opening the 'Load Cases and Combinations' dialog box leave.