The Surface Trim node (the SurfaceTrim sheet in the StructAssemblyConnections.xls workbook) defines the surface trims that you can place using the Trim Member command.
Fitted assembly connections are used to connect one beam to another beam or to connect a beam to a column.
Name
Specifies the name of the surface trim. This is the name that appears in the interface when you are defining trims.
Definition
Specifies the surface trim definition macro.
Offset
Specifies the offset between the member end and the surface being trimmed to. This value is only used when the surface being trimmer to is planar.
Squared End
Specifies whether the end of the member is squared or skewed when the two members are not perpendicular. Set this option to 0 if you want the member end to look like end A in the figure. Set this option to 1 if you want the member end to look like end B in the figure.
Flange Angle
Specifies the angle between the normal to the cutting surface and the member axis in the horizontal plane with respect to the member (the flange plane).
Web Angle
Specifies the angle between the normal to the cutting surface and the member axis in the vertical plane with respect to the member (the web plane).
Trim End
Specifies which member end is being trimmed. Enter 1 for the start. Enter 2 for the end.