The selection of nodes and members is described in Chapter 2.2.
In the Parameters section, you can check the boundary conditions of the connected structural components. If there is an Invalid cross-section, you should adjust the cross-section series to match the joint type and alignment set in Window 1.1.
The Angle and Priority columns provide information about the connected members.
The angles are based on the geometric conditions of the RFEM/RSTAB model. If you select the Set manually definition type in Window 1.2, you can enter user-defined angles of the connected members.
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The priority of the struts controls the assignment for the input windows Diagonal 1,1 connection, Diagonal 1,2 connection, etc. The digit before the comma indicates struts of plane 1 ("1. Alignment") or plane 2 ("2. Alignment" - only for 3D connections). The digit after the comma numbers the members within the respective plane. The order is not relevant for the design.
Example: Priority 1,2 means "plane 1, strut 2". You can define the bolt parameters of this strut in the Diagonal 1,2 connection window.
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When you click on a row of the table, the selected member is highlighted in the graphic.