The final results of the designs of members and sets of members in the RF‑/STEEL EC3 add-on module can be displayed graphically in the work window of RFEM and RSTAB. By selecting the corresponding design case in the load case menu, the results contained there are displayed.
KB 000508 | Graphical Display of Results from RF-/STEEL EC3
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![Graphical Display of Results from RF-STEEL EC3 - Ultimate Limit State Design](/en/webimage/010520/2960614/1_Ultimate_limit_state.png?mw=512&hash=f939ab770ec0b147e37247b96b8086c9c245c66a)
The final results of the designs of members and sets of members in the RF‑/STEEL EC3 add-on module can be displayed graphically in the work window of RFEM and RSTAB. By selecting the corresponding design case in the load case menu, the results contained in it are displayed.
![Smallest Magnification Factor for Flexural Buckling in Frame Plane](/en/webimage/010280/2993348/1_mode_shape_in_plane_buckling.png?mw=512&hash=3ae4b5e831c1025605c328fda1a888e0a3d36055)
In EN 1993-1-1, the General Method was introduced as a design format for stability analyses that can be applied to planar systems with arbitrary boundary conditions and variable structural height. The design checks can be performed for loading in the main load-bearing plane and simultaneous compression. The stability cases of lateral-torsional buckling and flexural buckling are analyzed from the main supporting plane; that is, about the weak component axis. Therefore, the issue often arises as to how to design, in this context, flexural buckling in the main load-bearing plane.
![Switch Option in Design Details](/en/webimage/010344/2992651/1_Activate_Automatic_Switch_to_General_Method.png?mw=512&hash=4deb9611952f056ff42e89ada3274387f42d24e1)
For the stability design of members and sets of members with a uniform cross-section, you can use the equivalent member method according to EN 1993-1-1, 6.3.1 to 6.3.3. However, as soon as a tapered cross-section is available, this method can no longer be used, or only used to a limited extent. The RF-/STEEL EC3 add-on module can automatically recognize these cases and switch to the general method.
![Warping Restraint via End Plate](/en/webimage/010484/2978100/1_warping_restraint_from_end_plate.png?mw=512&hash=b43e17cbb11faa3b51820d5bc88f6c5f2d58db81)
In the case of open cross-sections, the torsional load is removed mainly via secondary torsion, since the St. Venant torsional stiffness is low compared to the warping stiffness. Therefore, warping stiffeners in the cross-section are particularly interesting for the lateral-torsional buckling analysis, as they can significantly reduce the rotation. For this, end plates or welded stiffeners and sections are suitable.
![Add-on "Steel Joints for RFEM 6" | Component Library](/en/webimage/043097/3898884/steel_joints_components.png?mw=512&hash=e4f835906155863fc7019d5043b22e553dc766f9)
- Numerous component types, such as base and end plates, web angles, fin plates, gusset plates, stiffeners, tapers, or ribs for easy input of typical connection situations
- Universally applicable basic components (such as plates, welds, bolts, auxiliary planes) for modeling complex connection situations
- Graphical display of the connection geometry with dynamic updating during the input
- Wide range of cross-section shapes: I-sections, U-sections, angles, T-sections, hollow sections, built-up cross-sections and thin-walled sections
- Library in the Dlubal Center with a large number of program-side template connections, including user-defined templates
- Automatic adaptation of the connection geometry based on the relative arrangement of the components to each other – even in case of subsequent editing of the structural components
![Feature 002820 | Limit Plastic Strain for Welds](/en/webimage/050344/3881226/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
![Component "Base Plate"](/en/webimage/050345/3936120/50345.png?mw=512&hash=3bd641cb1a2445804b338855e4debfc40c6563e9)
The "Base Plate" component allows you to design base plate connections with cast-in anchors. In this case, plates, welds, anchorages, and steel-concrete interaction are analyzed.
![Feature 002807 | 3D Display of FSM Results](/en/webimage/049281/3861162/2024-05-01_10-32-55.png?mw=512&hash=2377d291bc20ac3d78d617b50c131614e99ac6f7)
In the "Edit Section" dialog box, you can display the buckling shapes of the Finite Strip Method (FSM) as a 3D graphic.
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