Initially, the term “physical” may seem abstract, but it refers to models used for construction detailing. These models, typically created in software like Revit among others, incorporate “real-life” data, positioning building elements precisely as they would appear in the constructed building.

In contrast, analytical models serve a different purpose. They are designed for analysis and used in the design phase. Elements in an analytical model are typically modeled based on shear-centers or centerlines, emphasizing cohesion.

An industry-wide challenge arises when transitioning between physical and analytical models. Due to their differing conventions, elements in the analytical model space may not be connected when transferred from a physical model. Conversely, when moving from an analytical to a physical model, elements may intersect. This issue is unavoidable unless the modeling approach in the physical space is adjusted.

This challenge persists across various software combinations such as Revit and Robot, Revit and SUMO, Advance Steel and SUMO, or the Tekla packages.

However, there are best practices that can mitigate these challenges, particularly in the Revit to SUMO workflow. For more detailed information on this topic see our Best Practices blog.

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