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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.
Reinforced concrete surface design for slabs, plates, and walls is possible in the RF-CONCRETE Surfaces module according to the ACI 318-19 or the CSA A23.3-19 standard. A common approach for slab design is the use of design strips for determining the average one-way internal forces over the width of the strip. This design strip method essentially takes a two-way slab element and applies a simpler one-way approach to determine the required reinforcement needed along the strip length.
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 article describes a function for this step.
Comparing the Stability Analysis of a Column Containing Internal Forces from Load Combinations with an Enveloping Result Combination
This example will show what you should consider when you perform column design for bending and compression with regard to the internal forces from load combinations and result combinations.
When evaluating results in smooth state, it is possible to display the average and sum values. This option is also available for parts of a line, a section, and so on. By importing the graphic into the printout report, you can document these values in the structural analysis.
A result combination (RC) combines results from the selected load cases (LC), load combinations (CO), and result combinations according to a preset combination syntax. Since a particular result may show an extreme value, depending on the combination at various locations of the structure, the RC displays the maximum and the minimum value for each result type.
The results window of the cross-section properties can be adjusted individually by using the [Filter] button in the table menu bar. In a dialog box, you can then activate or deactivate the individual cross-section parameters.
RF-/STEEL EC3 performs the classification, cross‑section designs, serviceability limit state designs and fire resistance designs of members. For each design, the program shows a result table with the relevant values and classification numbers including information regarding the respective standard clause. In order to easily identify the conjunction of various standards, there is a final design equation including all terms at the end of the table.
In RFEM and RSTAB, there is the feature ‘Info About Member’ available. It allows you to quickly read the member properties and results in a graphic. When you move the mouse over a member, the information about the member are displayed in the corresponding window.
In RFEM, you can display result values of surfaces (from RF‑CONCRETE Surfaces, for example), which can specify the required reinforcement of the designed surfaces in grid points. Generally, the result values are initially displayed for all surfaces designed.
RFEM provides the option to display up to three result values of the surface results in each group. Under “Groups” in the results navigator, there are four groups already preset.
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