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FAQ 004165 | How can the real cross-section geometry of bar elements be considered in the RWIND S...

Figure 01 - Distribution of Pressure Around Real Cross-Section Geometry

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

Figure 03 - Settings menu

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4 November 2019

FAQ 004165 EN

Process Manufacturing Plants

Scaffolding and Rack Structures

Offshore Structures

Silos and Storage Tanks

Buildings

Cranes and Craneways

Renewable Energy Structures

Conveyor Structures

Drilling Structures

Stairway Structures

How can the real cross-section geometry of bar elements be considered in the RWIND Simulation?

Answer

In RFEM, the interface application 'Simulate and Generate Wind Loads' makes it possible to exchange member, surface, and solid elements, and in RSTAB to exchange the bar elements.

To avoid generating a too fine mesh along with a corresponding long calculation time, the program simulates all members with a rectangular cross-section as standard. The size of the rectangular cross-section is selected in such a way that the real cross-section geometry is barely included.

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

By deactivating the option 'Export Optimized Member Topology', you can avoid this additional optimization of the model and allow consideration of the real cross-section geometry within existing cross-section settings.

Figure 01 - Distribution of Pressure Around Real Cross-Section Geometry

Figure 03 - Settings menu

If the exact representation of the cross-section geometry requires more than 1000000 elements, the interface automatically changes to the simplified rectangular section display of the cross-sections.