Caedium v4 Sneak Peek: Tensile Membrane Structure Analysis
In the next version of Caedium you will be able to perform a CFD simulation of a tensile membrane structure and then export surface pressure coefficient (Cp) data for structural analysis in ixForten 4000. This exciting development will allow ixForten 4000 users to perform non-linear stress analysis to better determine membrane displacement with more precise wind pressure loads than previously available, leading to more cost efficient structures and supports.
Model: courtesy of SobreSaliente Ltda, Cp data source: Caedium Professional
As an example of the new capability, Gerry D'Anza, ixForten 4000 developer, first exported the original membrane, courtesy of SobreSaliente Ltda, from ixForten 4000 using the Wavefront file format (.obj). Next Gerry imported the Wavefront geometry into Caedium, configured the flow volume and physics, and then ran the CFD simulation.
Next Gerry exported the Cp surface data and corresponding surface mesh from Caedium for import back into ixForten 4000.
As the final stage of the process, Gerry ran a non-linear structural analysis in ixForten 4000 using the Cp data as the boundary loads for the membrane. The results from the ixForten 4000 simulation are shown as displacement contours in the image at the top of this post.
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