This multi-material tower structure includes mainly timber and steel elements. Only the foundation and attached rigid columns were constructed as reinforced concrete.
CP 001189 | Lookout Tower in Schömberg
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![FE Model of Steel Connection](/en/webimage/052000/4028239/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
![Steel Connections Modeled in Steel Joints Add-on](/en/webimage/051920/4022201/EN-DE-1.png?mw=512&hash=93381a43ac2b4cf28461d64455ce2feeb2889924)
![KB 001884 | AISC Chapter F Lateral Torsional Buckling Versus Eigenvalue Calculation Methods Compared in RFEM 6](/en/webimage/051669/3996729/2024-07-24_15-34-55.png?mw=512&hash=8e8765705188abd3585dcebe00ae04ca6e38b005)
![KB 001885 | Assessment of Story Drift Under Seismic Loads According to ASCE 7-22 and Building Model](/en/webimage/051645/3995306/im1.png?mw=512&hash=b8237709c4f30213fac51d86d32a42bddde72f03)
![Feature 002828 | Fire Design of Slabs and Walls According to Simplified Table Method](/en/webimage/050837/3925042/50837.png?mw=512&hash=b06639a36ab8b62ab6d08e08552a5ec274469a37)
In the Concrete Design add-on for RFEM 6, you can perform the fire design of reinforced concrete slabs and walls according to the simplified table method (EN 1992‑1‑2, Section 5.4.2 and Tables 5.8 and 5.9).
![Feature 002826 | Punching Shear Reinforcement](/en/webimage/050658/3936123/50658.png?mw=512&hash=ae20d4ca78cdf203a2c2d3ccbb7daa0f324da77a)
In the Concrete Design add-on, you have the option to define an existing vertically oriented punching shear reinforcement. This is then taken into account in the punching shear design.
![Feature 002824 | OSB Material for USA and Canada](/en/webimage/050460/3955503/2024-06-28_10-42-39.png?mw=512&hash=5ec86ff7955d8c9a50e53301df3f21fceda009a5)
In RFEM, the oriented strand board (OSB) material is available for the USA and Canada. The material parameters are taken from the "Panel Design Specification manual".
![Feature 002820 | Limit Plastic Strain for Welds](/en/webimage/050344/3881226/1.png?mw=512&hash=9d7f6c198b6d4ae6ee8f2fa8bca75f85579e14c9)
In the ultimate configuration of the steel joint design, you have the option to modify the limit plastic strain for welds.
![Hall with Arched Roof](/en/webimage/024178/3132516/3D-MKP-program.jpg?mw=600&hash=4ba1e9be9b96304bbeba7ba3f7b7f474bf65fa8d)
The new generation of 3D FEA software is used for the structural analysis of members, surfaces, and solids.
![Rendering Reinforcement Bars](/en/webimage/026252/3191272/Screenshot_12-02-2021_11.35.32.png?mw=600&hash=c62976a22dff0b44f119fd2ed8b705774ffb437c)
The Concrete Design add-on allows for various design checks according to international standards. You can design members, surfaces, and columns, as well as perform punching and deformation analyses.
![RF-STAGES](/en/webimage/002757/3082156/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
The Construction Stages Analysis (CSA) add-on allows for considering the construction process of structures (member, surface, and solid structures) in RFEM.
![Building with Soil](/en/webimage/025988/3177933/MicrosoftTeams-image.png?mw=600&hash=40b8ec3c4c0870727fd1655e7a912df3cfbb3643)
In RFEM, the Geotechnical Analysis add-on uses properties from soil samples to determine the soil body to be analyzed. The accurate determination of soil conditions significantly affects the quality of the structural analysis of buildings.
![Modal Analysis](/en/webimage/024209/3132498/Modanalyse.jpg?mw=600&hash=31edec790fad5e5a664778ca2c0cb943d108ed74)
The Modal Analysis add-on allows for the calculation of eigenvalues, natural frequencies, and natural periods for member, surface, and solid models.
![Response Spectrum Analysis](/en/webimage/024210/3132499/Analýza-spektra-odozvy.jpg?mw=600&hash=25f401a9ba2d26c573b7b52e4a39d26c763d159e)
The Response Spectrum Analysis add-on performs seismic analysis using multi-modal response spectrum analysis. The spectra required for this can be created in compliance with the standards or can be user-defined. The equivalent static forces are generated from them. The add-on includes an extensive library of accelerograms from seismic zones that can be used to generate the response spectra.
![Pushover Analysis](/en/webimage/040934/3522430/Pushover.jpg?mw=600&hash=0d11e4b481f69d8c7b57adc4ef79babe28d3ccff)
Using the Pushover Analysis add-on, you can analyze the seismic actions on a particular building, and thus assess whether the building can withstand an earthquake.
![Building](/en/webimage/013456/2721224/RSA_ASCE_7_-_DRIFT.png?mw=600&hash=fce99cb6921023c04bfa368230c776eb6230c1ff)
The Building Model add-on for RFEM allows you to define and manipulate a building using stories. The stories can be adjusted in many ways afterwards. The information about stories and the entire model (center of gravity) is displayed in tables and graphics.
![Masonry Design](/en/webimage/024215/3835385/masonry.png?mw=600&hash=2b05b54472bfe37a190fd403aafb47376dbea379)
The Masonry Design add-on for RFEM allows you to design masonry using the finite element method. It was developed as part of the research project titled DDMaS – Digitizing the Design of Masonry Structures. The material model represents the nonlinear behavior of the brick-mortar combination in the form of macro-modeling.
![Add-on "Steel Design"](/en/webimage/024214/3132529/Posouzení-ocelových-konstrukci.jpg?mw=600&hash=3142dfd6f4da9f0422ef6788d2468f04597e63cd)
The Steel Design add-on performs the ultimate and serviceability limit state design checks of steel members according to various standards.
![Steel Joints for RFEM 6](/en/webimage/047670/3727877/graphic_output_(2).png?mw=600&hash=49b6a289915d28aa461360f7308b092631b1446e)
The Steel Joints add-on for RFEM allows you to analyze steel connections using an FE model. The FE model is generated automatically in the background and can be controlled via the simple and familiar input of components.
![Rod Warping Torsion](/en/webimage/027616/3214264/torsion_img.png?mw=600&hash=39500841d35afcf843b991434ebf18654bcefc48)
The Torsional Warping (7 DOF) add-on allows you to consider cross-section warping as an additional degree of freedom.
![Nonlinear Material Behavior](/en/webimage/024205/3132478/Nelineární-chování-materiálu.jpg?mw=600&hash=ecc32be2353326f887b75603e46a7e519d0ae45a)
The Nonlinear Material Behavior add-on allows you to consider material nonlinearities in RFEM for example, isotropic plastic, orthotropic plastic, isotropic damage).
![Structure Stability](/en/webimage/024206/3132485/Stabilita-konstrukce.jpg?mw=600&hash=5e6ba87ebde4ad9c39f972455c2ee11c0e5c0ced)
The Structure Stability add-on performs stability analysis of structures. It determines critical load factors and the corresponding stability modes.
![Time-Dependent Analysis (TDA) | Add-on for New RFEM 6](/en/webimage/026000/3214121/TDA.png?mw=600&hash=609e2bf9c68abaf317158621e01061babf8e077c)
The Time-Dependent Analysis (TDA) add-on allows you to consider the time-dependent material behavior of members and surfaces. The long-term effects, such as creep, shrinkage, and aging, can influence the distribution of internal forces, depending on the structure.
![Form-Finding](/en/webimage/024208/3405219/024208-en-us.png?mw=600&hash=c6d585498f08e9bb9745762d06f9564b025adb7b)
The Form-Finding add-on finds the optimal shape of members subjected to axial forces and tension-loaded surface models. The shape is determined by the equilibrium between the member axial force or the membrane stress and the existing boundary conditions.
![Belt Connection, Stress](/en/webimage/027623/3214361/spannung_analyse.png?mw=600&hash=95091fff01758b42b3cd78f25c4d6227cd411052)
The Stress-Strain Analysis add-on performs general stress analysis by calculating the existing stresses and comparing them with the limit stresses.
![Structural Frame and Truss Analysis Software](/en/webimage/024211/3132506/Program-pro-prutové-konstrukce.jpg?mw=600&hash=c4de97c22127c6d00cdbe3329b8af0d3e9274482)
The modern 3D structural analysis and design program is suitable for the structural and dynamic analysis of beam structures as well as the design of concrete, steel, timber, and other materials.
![Add-on "Steel Design"](/en/webimage/024214/3132529/Posouzení-ocelových-konstrukci.jpg?mw=600&hash=3142dfd6f4da9f0422ef6788d2468f04597e63cd)
The Steel Design add-on performs the ultimate and serviceability limit state design checks of steel members according to various standards.
![Structure Stability](/en/webimage/024206/3132485/Stabilita-konstrukce.jpg?mw=600&hash=5e6ba87ebde4ad9c39f972455c2ee11c0e5c0ced)
The Structure Stability add-on performs the stability analysis of structures. It determines critical load factors and the corresponding stability modes.
![Belt Connection, Stress](/en/webimage/027623/3214361/spannung_analyse.png?mw=600&hash=95091fff01758b42b3cd78f25c4d6227cd411052)
The Stress-Strain Analysis add-on performs a general stress analysis by calculating the existing stresses and comparing them to the limit stresses.
![Rod Warping Torsion](/en/webimage/027616/3214264/torsion_img.png?mw=600&hash=39500841d35afcf843b991434ebf18654bcefc48)
The Torsional Warping (7 DOF) add-on allows for considering cross-section warping as an additional degree of freedom when calculating members.
![Modal Analysis](/en/webimage/024209/3132498/Modanalyse.jpg?mw=600&hash=31edec790fad5e5a664778ca2c0cb943d108ed74)
The Modal Analysis add-on allows for the calculation of eigenvalues, natural frequencies, and natural periods for member, surface, and solid models.
![Pushover Analysis](/en/webimage/040934/3522430/Pushover.jpg?mw=600&hash=0d11e4b481f69d8c7b57adc4ef79babe28d3ccff)
Earthquakes may have a significant impact on the deformation behavior of buildings. A pushover analysis allows you to analyze the deformation behavior of buildings and compare them with seismic actions. Using the Pushover Analysis add-on, you can analyze the seismic actions on a particular building, and thus assess whether the building can withstand the earthquake.
![Timber Structure](/en/webimage/024213/3270516/timber_hall.png?mw=600&hash=2dba577941d4f6a3255fbe014e7c4db1b374f333)
The Timber Design add-on performs the ultimate, serviceability, and fire resistance limit state design checks of timber members according to various standards.
![Timber Structure](/en/webimage/024213/3270516/timber_hall.png?mw=600&hash=2dba577941d4f6a3255fbe014e7c4db1b374f333)
The Timber Design add-on performs the ultimate, serviceability, and fire resistance limit state design checks of timber members according to various standards.
![RX-TIMBER Glued Laminated Beam](/en/webimage/002768/3082161/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Timber design of single-span and wide-span glulam beams according to Eurocode 5 or DIN 1052
![RX-TIMBER DLT](/en/webimage/002769/508604/rx-timber-continuous-beam.jpg?mw=600&hash=8e4ca3e324222eca9ca8849458e9238b7bb209bd)
Timber design of simple, continuous, and Gerber beams with or without cantilever according to Eurocode 5 or DIN 1052
![RX-TIMBER Column](/en/webimage/002770/3082268/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Timber design of rectangular and circular columns according to Eurocode 5 or DIN 1052
![RX-TIMBER Purlin](/en/webimage/002771/3082281/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Timber design of coupled purlins and continuous beams according to Eurocode 5 or DIN 1052
![RX-TIMBER Frame](/en/webimage/002772/3082243/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Timber design of three-hinged frames with finger joint connections according to Eurocode 5 or DIN 1052
![RX-TIMBER Brace](/en/webimage/002773/3082476/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Timber design of stiffening truss bracing according to Eurocode 5 or DIN 1052
![RX-TIMBER Roof](/en/webimage/002774/3082467/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Timber design of flat, monopitch, and duopitch roofs according to Eurocode 5
![3D Model of the Vocational School in RFEM (© Eggers Tragwerksplanung GmbH)](/en/webimage/023239/3214286/stahlbeton_modell.png?mw=600&hash=3d473fadc6569419b17f1d00dd699f80a234b6a1)
The two-part Optimization & Costs / CO2 Emission Estimation add-on finds suitable parameters for parameterized models and blocks via the artificial intelligence (AI) technique of particle swarm optimization (PSO) for compliance with common optimization criteria. Furthermore, this add-on estimates the model costs or CO2 emissions by specifying unit costs or emissions per material definition for the structural model.
![3D Model of the Vocational School in RFEM (© Eggers Tragwerksplanung GmbH)](/en/webimage/023239/3214286/stahlbeton_modell.png?mw=600&hash=3d473fadc6569419b17f1d00dd699f80a234b6a1)
The two-part Optimization & Costs / CO2 Emission Estimation add-on finds suitable parameters for parameterized models and blocks via the artificial intelligence (AI) technique of particle swarm optimization (PSO) for compliance with common optimization criteria. Furthermore, this add-on estimates the model costs or CO2 emissions by specifying unit costs or emissions per material definition for the structural model.
![Aluminum Cross-Section Stress](/en/webimage/026846/3200342/Screenshot_12-14-2021_15.00.31.png?mw=600&hash=f477200c5e8ab7aaba871a485988803487cfedfb)
The stand-alone program RSECTION determines the section properties for any thin-walled and massive cross-sections.
![RFEM](/en/webimage/002629/3184031/Screenshot_11-29-2021_12.28.26.png?mw=600&hash=07d1ab48f88a291ea9ac4148b6c6e714582ef1ef)
Structural engineering software for a finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids, and contact elements
![RF-STEEL Plasticity](/en/webimage/002647/3077990/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Plastic design of cross-sections according to the Partial Internal Forces Method (PIFM) and Simplex Method
![RF-STEEL Fatigue Members](/en/webimage/002673/3077920/Fatigue_Design.jpg?mw=600&hash=5402cdb8bf365189c2216b668d9f4b29b5bdab66)
Fatigue design of members and sets of members according to EN 1993-1-9
![RF-TOWER Structure](/en/webimage/002702/3078691/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Generation of geometrically complex 3D tower structures, such as lattice towers and radio masts
![RF-TOWER Attachments](/en/webimage/002704/3078725/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Generation of the equipment for lattice towers of mobile operators
![RF-TOWER Loading](/en/webimage/002706/3078960/Generation-of-Wind-Ice-and-Variable-Loads-for-Lattice-Towers_1200x800.jpg?mw=600&hash=daa765fefae611d528a1534574c662cf91867101)
Generation of the wind, ice, and variable loads for lattice towers
![RF-TOWER Effective Lengths](/en/webimage/002708/3075395/file_1200x900_3as.jpg?mw=600&hash=a8fe36f60b09a5abf6613395b2cf3135c0f31bf3)
Determination of effective lengths for lattice towers
![RF-TOWER Design](/en/webimage/002710/3075388/4244.png?mw=600&hash=b5fafd656cd208edfe8943cd8e552e62014fb1f3)
Design of triangular and quadrilateral lattice towers according to the European standards
![RF-JOINTS Steel - Tower](/en/webimage/002721/3077917/Design-of-Nominally-Pinned-Joints-According-to-EC-3-for-Lattice-Tower-Members_1200x800.jpg?mw=600&hash=f7df6df8af539d68d8274699533aa5797b01451f)
Design of nominally pinned bolted connections of members used in lattice towers according to Eurocode 3
![RSTAB](/en/webimage/002630/3077921/file.jpg?mw=600&hash=7f4c93fc61734ce1a113c55d25c411a8a1a39679)
Structural engineering software for design of frame, beam, and truss structures, as well as for linear and nonlinear calculations of internal forces, deformations, and support reactions
![STEEL Fatigue Members](/en/webimage/002674/3077912/Fatigue_Design.jpg?mw=600&hash=5402cdb8bf365189c2216b668d9f4b29b5bdab66)
Fatigue design of members and sets of members according to EN 1993-1-9
![STEEL Plasticity](/en/webimage/002648/3077991/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Plastic design of cross-sections according the Partial Internal Forces Method (PIFM) and Simplex Method
![MAST Structure](/en/webimage/002703/3078692/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Generation of geometrically complex 3D tower structures, such as lattice towers and radio masts
![MAST Attachments](/en/webimage/002705/3078723/11.jpg?mw=600&hash=79fb21290ae260b640bf97c46febf15e90d012de)
Generation of equipment for lattice towers of mobile operators
![TOWER Loading](/en/webimage/002707/3078959/Generation-of-Wind-Ice-and-Variable-Loads-for-Lattice-Towers_1200x800.jpg?mw=600&hash=daa765fefae611d528a1534574c662cf91867101)
Generation of wind, ice, and variable loads for lattice towers
![TOWER Effective Lengths](/en/webimage/002709/3075391/file_1200x900_3as.jpg?mw=600&hash=a8fe36f60b09a5abf6613395b2cf3135c0f31bf3)
Determination of effective lengths for lattice towers
![TOWER Design](/en/webimage/002711/3075384/4244.png?mw=600&hash=b5fafd656cd208edfe8943cd8e552e62014fb1f3)
Design of triangular and quadrilateral lattice towers according to the European standards
![JOINTS Steel Mast](/en/webimage/002722/3077916/Design-of-Nominally-Pinned-Joints-According-to-EC-3-for-Lattice-Tower-Members_1200x800.jpg?mw=600&hash=f7df6df8af539d68d8274699533aa5797b01451f)
Design of nominally pinned bolted connections of members used in lattice towers according to Eurocode 3