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26 November 2020
004838
I have defined a wind profile for RWIND Simulation up to a height of 100 m. Is the wind profile dependent on the size of the wind tunnel?
Answer
In the wind profile, you always define the height ranges from z. B. 0 - 5 m, then 5 m - 10 m, etc. If your wind profile ends at 100 m, it is not cut off, but the value for 100 m is also applied for greater heights. If your wind tunnel is smaller than the stored profile, only the wind speeds up to this height are considered.
You can check this visually by displaying the velocity vectors and deactivating the display on a reduced area.
For a wind tunnel with a height of 50 m, you get the following result:
Image 01 - Wind tunnel height 50 m
For a wind tunnel with a height of 150 m, you get the following result:
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Wind Simulation Using RWIND Simulation and Transferring Wind Forces to RFEM or RSTAB
Computer technology has a firm grip on digital structural analysis and design. With each new development, the involved planners are able to push the limits of what is feasible upwards.
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RF-FORM-FINDING | Results
The results of the form‑finding process are a new shape and corresponding inner forces. Usual results such as deformations, forces, stresses, and others can be displayed in the RF‑FORM‑FINDING case.
This prestressed shape is available as the initial state for all other load cases and combinations in the structural analysis.
For more ease when defining load cases, the NURBS transformation can be used (Calculation Parameters / Form‑Finding). This feature moves the original surfaces and cables into the position after form‑finding.
By using the grid points of surfaces or the definition nodes of NURBS surfaces, free loads can be situated on selected parts of the structure.
Frequently Asked Questions (FAQ)
- How can I import an IFC model into the RWIND Simulation environment?
- I would like to use the export of visual objects to RWIND Simulation. How do I scale my visual object for the import?
- Where are the RWIND Simulation projects created by RFEM/RSTAB saved?
- Where can I define a wind velocity diagram according to a specific wind standard for the numerical wind tunnel analysis in RWIND Simulation?
- What is the optimal wind tunnel size in RWIND Simulation?
- Is there the ability to apply the adjusted wind tunnel dimensions in RWIND Simulation for all wind load cases instead of making the revision manually for each load case?
- On the dlubal.com website, I found the option to display the results along a line, or the option to enter the points manually. Where can I find this result view?
- How can I delete the RWIND Simulation results in an RFEM or RSTAB model?
- Which Dlubal Software programs are required to calculate membrane and tensile structures?
- Is it possible to display the RWIND Simulation results in ParaView?
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Stand-Alone Program
Stand-alone program for numerical simulations of wind flow around buildings or any other objects. The generated wind loads acting on these objects can be imported into RFEM / RSTAB programs for static and dynamic analysis.
2,690.00 USD