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Frequently Asked Questions (FAQ)
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AnswerIf the PLATE‑BUCKLING add-on module is not opened as a stand-alone version, but via RFEM or RSTAB, it is possible to import the panels (c/t parts of a member cross-section) and the respective load cases of the RFEM or RSTAB model to PLATE‑BUCKLING (see the figure).If there are no valid cross-sections of PLATE‑BUCKLING found in the model file of RFEM/RSTAB, the option for importing the buckling panels remains inactive.
AnswerTo display the isosurfaces of the results in monochrome, you have to edit the color scale. To do this, simply double-click the color scale or edit the color scale with the right mouse button (see Figure 01). The slider can then be pushed down so far that only one color remains. This can be changed by double-clicking the color. Then, the maximum value can be transferred manually to the penultimate input field (see Figure 02). If you want a colorless display, define a very small number for the penultimate value. It is also recommended to activate the ‘Outlines of Deformed Surfaces’ option (see Fig. 03).
AnswerWith the PLATE-BUCKLING add-on module, you can only calculate rectangular buckling panels.The panel is entered via 1.1 of the add-on module. Alternatively, the panel can also be created from an existing RFEM or RSTAB file by selecting the respective c/t-part.
In our programs, we use the fonts of the operating system.It is necessary to change the region in the Control Panel of the operating system. Then, restart the computer. The texts should then be displayed correctly.
The term "shear panel" indicates that the translational spring, which is created along the beam length by means of the shear panel type including the corresponding parameters, is smoothed, see Figure 1.
This is also the case for the shear panel type "Bracing", so that the mode shape always appears to be arbitrary at this location, see Figure 2.
In order to obtain accurate results, it is recommended to manually define a lateral support by means of a nodal support according to the general method (Figure 3) or to define the effective lengths according to the equivalent member method, including intermediate restraints, if necessary. Finally, a eigenvector with visible lateral restraint in the mid-span is created (Figure 4).
AnswerIf a user-defined panel has already been created, this color scale is displayed in the Display Properties tab of the 'Printout Report' tab in 'Results' -> 'Palette'. If you set it as the default, the graphics in the report are updated automatically.
The first of both reinforcements selected for display are displayed in red and blue by default. To change these and other colors, use the color scale within the panel, following the steps below:
- Double-click one of the reinforcements in the panel.
- The "Edit Isoline Value and Color Scales" dialog box opens: Double-click the color you want to change.
- The "Color" dialog box opens: Select a new color and click OK to confirm.
- Save it.
- The "Save Color Scale" dialog box appears: Enter the name of the new color scale and confirm it by clicking OK; the new color scale is now saved.
- Select the desired color scale and confirm it by clicking OK.
Figure 01 - Panel - Modifying Color Scale
The automatic transfer to all load cases or load combinations is unfortunately not possible. However, you can save the customized settings and import them in other load cases.To do this, it is necessary to open the dialog box for editing the isoband value and color scales and specify the user-defined settings. Then, click "Save..." to save these settings.This isoband value scale is now available in all load cases and combinations and can be selected.
AnswerThe options for shear panel and rotational restraint are available after activating the stability analysis in Details of the add-on module. The settings of effective lengths and intermediate supports will become available as well.
AnswerYes, you can define an area in the panel by clicking the button "options". Here you can define a customized area by moving the slider. In that case the areas with higher or lower stresses have no color.
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Wind Simulation & Wind Load Generation
With the stand-alone program RWIND Simulation, wind flows around simple or complex structures can be simulated by means of a digital wind tunnel.
The generated wind loads acting on these objects can be imported to RFEM or RSTAB.
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