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Structural Analysis Wiki
Technical Terms Used in Dlubal Software
The Dlubal Structural Analysis Wiki explains technical terms used in structural analysis and design. The terms are given in alphabetical order and are usually used in Dlubal Software.
By assigning a cross-section and the related material, the member gets a stiffness. Members are always connected by the nodes only.
Members do not have any lateral expansion. Thus, they are an idealization of real structural components.
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| Updated | 11/23/2021 |
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Knowledge Base Articles
The calculation of complex structures by means of finite element analysis software is generally performed on the entire model. However, the construction of such structures is a process carried out in multiple stages where the final state of the building is achieved by combining the separate structural parts. To avoid errors in the calculation of overall models, the influence of the construction process must be considered. In RFEM 6, this is possible by using the Construction Stages Analysis (CSA) add-on.
This technical article presents some basics for using the Torsional Warping add-on (7 DOF). It is fully integrated into the main program and allows you to consider the cross-section warping when calculating member elements. In combination with the Stability Analysis and Steel Design add-ons, it is possible to perform the lateral-torsional buckling design with internal forces according to the second-order analysis, taking into account imperfections.
One of the innovations in RFEM 6 is the approach to designing steel connections. In contrast to RFEM 5, where the design of steel joints is based on an analytical solution, the Steel Joints add-on in RFEM 6 offers an FE solution for steel connections.
Building Model is one of the special solution add-ons in RFEM 6. It is an advantageous tool for modeling with which building stories can be created and manipulated easily. Building Model can be activated at the beginning of the modelling process and afterwards.
Rolled sections, the most common cross‑section type in RFEM and RSTAB, can also have user‑defined parameters.
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3D Halle in RSTAB | Steel structure
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RFEM structural model for download
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RF-MAT | RFEM model for download
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Product Features Articles
Compared to the RF-/TIMBER Pro add-on module (RFEM 5/RSTAB 8), the following new features have been added to the Timber Design add-on for RFEM 6/RSTAB 9:
Compared to the RF-/STEEL EC3 add-on module (RFEM 5/RSTAB 8), the following new features have been added to the Steel Design add-on for RFEM 6 / RSTAB 9:
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RFEM 5
RFEM 5
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
Price of First License
3,540.00 USD
RSTAB 8
RSTAB 8
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
Price of First License
2,550.00 USD
