Structural engineering FEA software RFEM is the basis of a modular software system. RFEM is used to define structures, materials, and loads for planar and spatial structural systems consisting of plates, walls, shells and members. The program also allows you to create combined structures as well as model solid and contact elements.
Structural frame analysis and design software RSTAB contains a similar range of functions as RFEM, with special attention to frame and beam structures. Therefore, it is very easy to use and for many years it has been the best choice for structural analyses.
RF-/DYNAM Pro - Natural Vibrations performs the analysis of natural frequencies and mode shapes.
RF-/DYNAM Pro - Forced Vibrations performs the analysis of forced vibrations including the multi-modal response spectrum method and time history analysis.
RF-/DYNAM Pro - Nonlinear Time History is an extension of the add‑on modules RF‑/DYNAM Pro - Natural Vibrations and RF‑DYNAM Pro - Forced Vibrations (linear time history analysis).
A timber apartment complex with appealing architecture has been built in the Italian town of Brescia. Four housing complexes include a total of 72 housing units.
For the Lombard Institute for Residential Buildings (ALER), this has been the first project carried out in wood.
The multigenerational house with a view at Lake Constance was built as an environmentally friendly wooden structure and designed as a passive house.
Since the region is located in earthquake zone 2, it was also necessary to perform the dynamic analysis.
The monastery "Little Flower" was built in 2015, situated in beautiful scenery of green meadows, mountains and crystal-clear lakes.
The little monastery includes 18 bedrooms, a chapel, a dining room, a kitchen, and a conference room.
The railway station forecourt at Piazza Garibaldi has six hectares in size and includes parks, gardens and fountains.
Between 2005 and 2013, it was restructured along with the metro station of the same name.
Butadiene storage tanks of the French company ARLANXEO Emulsion Rubber France, one of the biggest producers of synthetic rubber NBR in the world, had to be recalculated to comply with the seismic requirements of Eurocode 8.
A hotel with extraordinary architecture was opened in Davos, Switzerland, in December 2013. The building has the shape of a ‘Golden Egg’ and is situated on a mountainside.
The hotel is elliptic in shape with all corners rounded out. It was constructed with reinforced concrete and its external dimensions are about 105 m x 40 m.
A very extraordinary structure has been built in Chile: the "temple of light", one of eight Bahá’í temples worldwide.
The unique building resembles a nine‑petalled blossom of a lotus flower.
One of the world's highest timber structures is a look‑out tower on the Pyramidenkogel, a mountain in Carinthia, Austria.
The spiral-shaped tower with a height of 100 m provides a breathtaking view over the Alps-Adriatic region.
![1 - Reduction of building on cantilever structure. The individual mass points represent storeys. Displacement due to compression normal forces shown in (a) is converted to (b) overturning moments or lateral loads [2].](/-/media/Images/website/pages/support-and-learning/support/knowledge-base/001394/01-en-png.png)
For the ultimate limit state design, EN 1998‑1 [1], Section 2.2.2 and 4.4.2.2, require the calculation considering the second‑order theory (P‑Δ effect). This effect need not be taken into account only if the interstorey drift sensitivity coefficient θ is less than 0.1.
In RF-/DYNAM Pro - Equivalent Loads, a signed result option in accordance to the dominant eigenmode is available since version X.06.3039. For the modal combination of results corresponding to the single eigenvalues a quadratic combination rule has to be used, in RFEM and RSTAB the SRSS and the CQC rule are available. It is only allowed to combine results not loads directly. The reason are the mode shapes which are arbitrarly scaled and signed.
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Contact us or find various suggested solutions and useful tips on our FAQ page.
RF-DYNAM Pro - Natural Vibration: Natural vibration as graphical result display in RFEM
RF-DYNAM Pro - Forced Vibrations: Time course diagram for periodic vibration
RF-DYNAM Pro - Equivalent Loads: Equivalent loads from mode shapes
Seismograph
Lookout tower on Pyramidenkogel, Austria | © vitrag.eu
Timber apartment complex in Brescia, Italy | © www.rubner.com
Tower building
Main Program
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
Main Program
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
Add-on Module
Dynamic analysis of natural frequencies and mode shapes of member, surface, and solid models
Add-on Module
Dynamic and seismic analysis including time history analysis and multi-modal response spectrum analysis
Add-on Module
Nonlinear dynamic analysis to external excitations
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