We provide hints and tips to help you get started with the basic program RFEM.
KB 001633 | Snow Load on Elevated Solar Thermal and Photovoltaic Systems on Roofs up to 10° Inclination
Video
First Steps with RFEM
Description
In the existing standard, there were no regulations for the distribution of snow loads for elevated solar thermal and photovoltaic systems on roofs. It was only advised to distribute the loads. Only with the National Annex DIN EN 1991-1-3/NA: 2019-04, concrete rules have been taken for this.
Keywords
Dlubal Knowledge Base Snow load Solar thermal Photovoltaics Dlubal KB Knowledge Base Technical contribution to Dlubal Software
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![[PL] CP 001184 | "Terma Bania" Building Extension and Renovation in Białka Tatrzańska, Poland](/-/media/Images/netgenium/thumbnails/2/9/6/4/9/2964951/2964951.png?la=en-US&mw=348&mlid=9DC8AE61D3E74C76877B9709B1D6F554&hash=D3D3D7F44D69F6D1211C4824728CE6A8C8906E99)
![[DE] KB 001654 | Considering Adjacent Settlement for Separated Floor Slabs With RF-SOILIN](/-/media/Images/netgenium/thumbnails/2/9/6/7/2/2967258/2967258.png?la=en-US&mw=348&mlid=2A939E095B4A41BE8603D97FAE24A694&hash=E36133C189D320766B931525F3DD29F42B391B3D)
New
This technical article deals with the design of structural components and cross-sections of a welded truss girder in the ultimate limit state. Furthermore, the deformation analysis in the serviceability limit state is described.
![External Pressure Coefficients, Cp, for Domed Roofs with a Circular Base (according to Figure 27.3-2 [1])](/-/media/Images/website/img/000001-010000/009001-009100/009063.png?la=en-US&mlid=212BADE826004E5F93E6ECC01B32C63F&hash=2DA91CF2E074D7591913F902C7B4F5C959981326)
New
Increased Calculation Performance by Reducing the Nodal Degrees of Freedom
The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.
This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (e.g. trusses and membrane structures).
- Can I also use the wind load generator for open buildings?
- I would like to extend an existing structure with a false ceiling that is not connected to the existing columns. How can I model it?
- For line releases, I obtain the resultants in the horizontal direction, which I cannot understand.
- How can I display wind speeds at a certain height above the ground for a wind comfort analysis?
- When evaluating the support reactions of a plate supported by line supports, I noticed that the support reaction pz' does not correspond to the shear force and deviates significantly. What is the reason?
- How is it possible to consider the real cross-section geometry of member elements in RWIND Simulation?
- What does the 'Activate Weld Design' option mean in the detailed settings of RF-/STEEL EC3?
- How do I create a frame joint with taper in JOINTS Steel - Rigid?
- Why do I obtain different results for the same end plate joint in RF‑/JOINTS Steel - DSTV and RF‑/JOINTS Steel - Rigid?
- Can I also use RF‑SOILIN to calculate foundation bodies at different foundation heights in a model?
