Formula 2
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Using the Timber Design add-on, timber column design is possible according to the 2018 NDS standard ASD method. Accurately calculating timber member compressive capacity and adjustment factors is important for safety considerations and design. The following article will verify the maximum critical buckling strength calculated by the Timber Design add-on using step-by-step analytical equations as per the NDS 2018 standard including the compressive adjustment factors, adjusted compressive design value, and final design ratio.
Rolled sections, the most common cross‑section type in RFEM and RSTAB, can also have user‑defined parameters. To do this, select the cross‑section to be modified in the cross‑section library and click the [Parametric Input...] button.
In this article, the adequacy of a 2x4 dimension lumber subject to combined biaxial bending and axial compression is verified using the RF-/TIMBER AWC add-on module. The beam-column properties and loading are based on example E1.8 of AWC Structural Wood Design Examples 2015/2018.
The add-on modules for designing structural member components according to national, European, and international standards also show design results in addition to numerical output in tables graphically, as diagrams displayed on the framework.
This section offers useful information about general structural analysis and design as well as Dlubal Software programs.
Infotainment
RFEM and RSTAB models can be saved as 3D glTF models (*.glb and *.glTF formats). View the models in 3D in detail with a 3D viewer from Google or Babylon. Take your VR glasses, such as Oculus, to "walk" through the structure.
You can integrate the 3D glTF models into your own websites using JavaScript according to these instructions (as on the Dlubal website Models to Download).
With the Camera Fly Mode view option, you can fly through your RFEM and RSTAB structure. Control the direction and speed of the flight with your keyboard. Additionally, you can save the flight through your structure as a video.
- 3D incompressible wind flow analysis with OpenFOAM® software package
- Direct model import from RFEM or RSTAB including neighboring and terrain models (3DS, IFC, STEP files)
- Model design via STL or VTP files independent of RFEM or RSTAB
- Simple model changes using Drag and Drop and graphical adjustment assistance
- Automatic corrections of the model topology with shrink wrap networks
- Option to add objects from the environment (buildings, terrain ...)
- Wind load determined over the height of the building, depending on standard-specific parameters (velocity, turbulence intensity)
- K-epsilon and K-omega turbulence models
- Automatic mesh generation adjusted to the selected depth of detail
- Parallel calculation with optimal utilization of the capacity of multicore computers
- Results in just minutes for low-resolution simulations (up to 1 million cells)
- Results within a few hours for simulations with medium/high resolution (1‑10 million cells)
- Graphical display of results on the Clipper/Slicer planes (scalar and vector fields)
- Graphical display of streamlines
- Streamline animation (optional video creation)
- Definition of point and line probes
- Display of aerodynamic pressure coefficients
- Graphical display of turbulence properties in the wind field
- Optional meshing using the boundary layer option for the area near the model surface
- Consideration of rough model surfaces possible
- Optional use of a seond-order numerical Order
- Multilingual user interface (for example, German, English, Spanish, French)
- Documentation possible in the RFEM and RSTAB printout report
Where can I find my customer number in RFEM or RSTAB?
How can I exchange data between RFEM 5 / RSTAB 8 and Tekla Structures 2023?
I get a warning that a file created with RFEM, RSTAB, or RSECTION contains a virus or a Trojan horse. What should I do?
My Surface Book is recognized as a "Hyper V" virtual machine, so my local license does not work. What can I do?
RFEM and RSTAB crash at the moment of starting the program. I work with a 3D mouse. Where is the problem?
How can I show or hide the printout report navigator?
