In addition to our technical support (e.g. via chat), you’ll find resources on our website that may help you with your design using Dlubal Software.
Frequently Asked Questions (FAQ)
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Basically, the handling of the interface is very simple. After successful installation, the Dlubal toolbar in Rhino is available to the user. This includes two icons (Export and Import).With "Import", you can import data from RFEM into Rhino. The entire RFEM model is always imported. There is no update. The data is added to the existing structure.Click "Export" to export data from Rhino to RFEM. Normally, the entire structure is exported. If you only want to export parts of the structure, select them before you start the export. For the export to take place, RFEM must be started and a file created. Please note that the export overwrites all existing data of the opened file. Therefore, it is recommended to open an empty file.
Please make sure that Rhino is already installed. Then, perform the RFEM 5 installation. For this, you need at least version 5.21.02. The plug-ins are automatically stored in one of the following directories and installed during the installation.
C: \ Program Files \ Common Files \ McNeel \ Rhinoceros \ 6.0 \ Plug-ins \
C: \ Users \ # USER # \ AppData \ Roaming \ McNeel \ Rhinoceros \ 6.0 \ Plug-ins \
After completing the installation, Rhino and Grasshopper can be started. In both programs, you should now find the dlubal-specific toolbars. The Dlubal Toolbar for Rhino can be attached to the other toolbars retroactively (see video).
If Rhino has been installed according to RFEM, the interface is not available. In this case, it is recommended to reinstall RFEM.
AnswerAfter opening the PDF file, the security setting for 3D content from Adobe is active. They have to be activated (see Figure 01). After familiarizing yourself with the document, just click into the model area (see Figure 02).
AnswerIn this case, the Calculation Method and the type of the 2D position are important.When using the analytical method (RF-CONCRETE Deflect), it is possible to perform a calculation in 2D positions. When using the nonlinear method (RF-CONCRETE NL), the calculation for 2D XY (uZ/φX/φY) is not possible. In the nonlinear calculation, shrinkage is represented internally as strain load, which is not possible in this type of 2D position due to the limited degrees of freedom.Convert 2D to 3D PositionIn the general data, it is possible to simply convert a 2D position into a 3D position. For the supports, all degrees of freedom not contained in the 2D position are fixed when converting to a 3D position (see the video).
You can load files from AutoCAD Plant 3D into RFEM using the CAD/BIM model. STEP (* .stp, * .step), IGES (* .igs, * .iges), or * ifc are available, and the model is loaded as a base to create a pipe in RF-PIPING Design.
AnswerBy default, DIN A4 is preset as print format in portrait orientation. To change these settings, click the 'Page Size and Orientation of 3D PDF' button available in the graphic printout settings (see Figure 1).
AnswerThe RF-DYNAM Pro - Nonlinear Time History Analysis add-on module is only available for 3D models. So you have to change over to "3D" in the model's general data.
Answer3d objects in the format "3ds" can be easily loaded in the program via Insert → visual objects in the existing model (see image). In the mask "new visual object" the scale, the insertion point and the rotation angle can be adjusted.
With RF-MAT NL, we offer the use of various nonlinear material models. If members, surfaces, and/or solids are combined in RFEM, the nonlinear material models must be assigned individually for members (1D) and surfaces and solids (2D/3D).
Members as 1D elements can not be assigned a nonlinear material model (2D/3D).
AnswerIf you can not freely select all directions of the nodal support, you should check whether you have selected the 3D model type in the general data. In a 2D surface, certain directions of the support are blocked.
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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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