Some CAD-modeling done for helping to understand the Florida International University ("FIU") pedestrian bridge collapse 2018-03-15.
The modeling is done in FreeCAD (see https://www.freecadweb.org/ for information and downloads).
3D-view of the bridge: 
| Output-Type | The actual bridge design | Actual design changed by 5 degrees | Actual design, changed to 46,5 deg. | "Standard" warren truss bridge design |
|---|---|---|---|---|
| abs. displacement |  |
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| max. principal stress |  |
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| max. shear stress |  |
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| Von Mises stress |  |
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Please contact [email protected] if you have any issues / questions.
This project is a layman's work, calculations and data are known to be not exact in any way. More information is to be found in the License.