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A truss structure consists of three rods - one steel and two copper joined by a rigid member. The structure is loaded by a concentrated force and by a temperature difference. While neglecting self‑weight, determine the total deflection of the structure.
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4 star | 0 | |
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2 star | 0 | |
1 star | 0 |
Verification Example 000076 | 4
Number of Nodes | 24 |
Number of Lines | 40 |
Number of Members | 10 |
Number of Surfaces | 18 |
Number of Solids | 3 |
Number of Load Cases | 1 |
Total Weight | 0.001 tons |
Dimensions (Metric) | 1.010 x 0.010 x 0.500 m |
Dimensions (Imperial) | 3.31 x 0.03 x 1.64 feet |
Program Version | 5.10.01 |
You can download this structural model to use it for training purposes or for your projects. However, we do not assume any guarantee or liability for the accuracy or completeness of the model.
![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.
![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.
![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.
![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. 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.
![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)
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.
![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
![Cross-Laminated Timber (CLT) Building](/en/webimage/015352/2975934/Imagen_proyecto_Oscar_Siguenza.png?mw=600&hash=9bfd9fc7330a91fcf88a5f06fbaa3906d81b0f02)
The Multilayer Surfaces add-on allows you to define multilayer surface structures. The calculation can be carried out with or without the shear coupling.
![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.
![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.
![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.
![Aluminum Structure, Deformation](/en/webimage/027624/3214367/aluminium_structure_deformation.png?mw=600&hash=bc9532b28210b80797c7987f1928febda0d14f84)
The Aluminum Design add-on performs the ultimate and serviceability limit state design checks of aluminum members according to various standards.
![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.
![Rendering Reinforcement Bars](/en/webimage/026252/3191272/Screenshot_12-02-2021_11.35.32.png?mw=600&hash=c62976a22dff0b44f119fd2ed8b705774ffb437c)
Concrete Design add-on allows for various design checks of members and columns according to international standards.
![Aluminum Structure, Deformation](/en/webimage/027624/3214367/aluminium_structure_deformation.png?mw=600&hash=bc9532b28210b80797c7987f1928febda0d14f84)
The Aluminum Design add-on performs the ultimate and serviceability limit state design checks of aluminum members according to various standards.