FAQ 004165 | How is it possible to consider the real cross-section geometry of member elements in RWIND Simulation?

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4 November 2019

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Andreas Niemeier

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Question

How is it possible to consider the real cross-section geometry of member elements in RWIND Simulation?

Answer

The "Simulate and Generate Wind Loads" interface application allows you to exchange member, surface, and solid elements in RFEM, and member elements in RSTAB.

To avoid too fine mesh and thus too long calculation time, the program simulates all members with a rectangular cross-section by default. In this case, the size of the rectangular cross-section is selected in such a way that it barely includes the real cross-section geometry.

Figure 02 - Pressure Distribution Around Simplified (Optimized) Cross-Section Geometry

By deactivating the "Export optimized member topology" option, you can avoid this additional optimization of the model and allow consideration of the real cross-section geometry within the existing cross-section settings.

Figure 01 - Pressure Distribution Around Real Cross-Section Geometry

Figure 03 - Settings Menu

If the exact display of the cross-section geometry requires more than 1,000,000 elements, the interface automatically switches to the simplified rectangular cross-section display.

Keywords

Dlubal FAQ Cross-section shape Wind tunnel Topology Member cross-section Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Updated 19 November 2020

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