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Wind Simulation & Wind Load Generation

With the stand-alone program RWIND Simulation, wind flows around simple or complex structures can be simulated by means of a digital wind tunnel.

The generated wind loads acting on these objects can be imported to RFEM or RSTAB.

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  1. Figure 01 - Structural System and Loading

    Comparing Critical Load Factors for Lateral-Torsional Buckling According to Different Methods and Modules

    The critical factor for lateral-torsional buckling or the critical buckling moment of a single-span beam will be compared according to different stability analysis methods.
  2. Load Case 1

    Warping Torsion Analysis According to AISC Design Guide 9

    The design of a torsional loaded beam according to AISC Design Guide 9 will be shown based on a verification example. The design will be performed with the RF-STEEL AISC add-on module and the RF-STEEL Warping Torsion module extension with 7 degrees of freedom.
  3. Defining 'Limit Values for Stability Analysis'

    Limit Values for Stability Analysis in RF-/STEEL EC3

    As of the program version X.11, the filter options of small compression forces or moments for stability analysis in RF-/STEEL EC3 have been revised. The revision of these filter options in the 'Stability' tab of the 'Details' dialog box allows you to work in the module transparently since they are now independent of the design.

  4. Structural System

    Design of Tapered Column According to EN 1993-1-1

    The following structure is covered as Example IV.10 in [1] ‘Comment on Eurocode 3’. For a support with linearly varying cross‑section, the sufficient ultimate limit state design (cross‑section check and stability analysis) is to be performed. Due to the unequal structural component, it is necessary to perform the stability analysis (from the main support direction) using the method according to Section 6.3.4, or alternatively, according to the second‑order analysis.

  5. 1 - Bending Moment Distribution on Entire Structure and Extracted Structure

    Load Determination in RF-/STEEL Warping Torsion

    This article explains how to determine loads on the basis of the internal force situations defined in the RF-/STEEL Warping Torsion extension of the RF-/STEEL EC3 add-on module. Since this new program allows you to also analyze extracted chain-like beam structures in addition to entire chain-like beam structures, it is necessary to determine the loads of the partial structure separately. For this, a special transformation function has been developed, which determines new loads of all partial structures (depending on the internal forces calculated in RFEM/RSTAB) according to each load situation for geometrically nonlinear warping torsion analysis with seven degrees of freedom.

  6. Stability Analysis of Channel Sections

    Stability Analysis of Channel Sections

    The module extension RF‑/STEEL Warping Torsion of the RF‑/STEEL EC3 add‑on module allows you to design members with asymmetric cross‑sections. The new option is fully integrated in the design module and can be activated for sets of members.

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Knowledge Base

In addition to our technical support (e.g. via chat), you’ll find resources on our website that may help you with your design using Dlubal Software.

First Steps

First steps

We provide hints and tips to help you get started with the main programs RFEM and RSTAB.

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