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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. Wind field in vertical section

    Wind loads on a tall building

    This study compares the wind pressure on a tall building from the RWIND simulation calculation with the results of Dagnew et al., Have been published on the 11 th Americas Conference on Wind Engineering in June 2009. This article compares the windage results for the Commonwealth Advisory Aeronautical Council (CAARC) building according to different numerical methods with the experimental data based on wind tunnel tests.

  2. Calculation and use of laminated glass

    In the field of glass construction, there are various glasses and layer structures that are used for different purposes. In the classic case, these are: Float glass, tempered glass, and toughened safety glass.

  3. Input of factor for reduction fct, eff, As, min

    Assumptions for the effective tensile strength in connection with the determination of the minimum reinforcement according to DIN EN 1992-1-1 7.3.2

    When determining the minimum reinforcement for the serviceability limit state according to 7.3.2, the applied effective tensile strength fct, eff has a significant influence on the determined amount of reinforcement. The following section provides an overview for determining the effective tensile strength fct, eff and the input options in RF-CONCRETE.

  4. Calculation of timber panel walls

    This article shows the effect of the different stiffnesses of the timber panel walls on the floor plan.

  5. Selection of nodes along a line by means of the COM interface

    If you read out the results of a surface via the COM interface, you get a one-dimensional field with all results at the FE nodes or grid points. To get the results on the edge of a surface or along a line within the surfaces, you have to filter out the results in the area of the line. The following describes a function that can perform this task.

  6. Punching Shear Design in RF-PUNCH Pro Taking Into Account Enlarged Column Head

    In RF-PUNCH Pro, enlarged column heads can be arranged at point-supported punching shear points, thus increasing the shear force resistance of a reinforced concrete floor. In the following article, we will show the punching shear design with the optional application of an enlarged column head.

  7. Options for Considering Accidental Torsional Actions According to EN 1998-1

    In order to consider inaccuracies regarding the position of masses in a response spectrum analysis, the standard EN 1998-1 specifies rules which have to be applied in both the simplified and multi-modal response spectrum analysis. These rules describe the following general procedure: The story mass must be shifted by a certain eccentricity, which results in a torsional moment.

  8. Fire design by means of a parametric temperature-time curve according to DIN EN 1991-1-2

    With RF-/STEEL EC3, nominal temperature-time curves can be used in RFEM or RSTAB. The standard time-temperature curve (ETK), the external fire curve and the hydrocarbon fire curve are implemented. Moreover, the program provides the option to directly specify the final temperature of steel.

  9. Creation of a user-defined antenna support for RF-/TOWER attachments

    In the following, the creation of a user-defined antenna support for use in RF-/MAST extensions is described in detail.

  10. Streamline Diagram

    Wind Load on Rectangular, Rounded Structural Components

    The wind load of rectangularly rounded structural components is a complex matter. The equivalent forces from wind load depend on the strength of the circulating wind load and the component geometry.

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