Physical versus Analytical Models – Best Practices

As explained previously the conversion of a physical model to an analytical model comes with some common issues, no matter the packages you use.

Specifically focusing on the Revit to SUMO workflow, using Prodesk, there are a few things we can do to minimize the amount of post-processing required. The first step is to have simplicity in mind. Ensuring that your Revit model is as simple as possible, will streamline the process. Simplification entails removing details in the Revit model that aren’t analytically relevant, and not modelling complex geometry such as connections. The reason for this is that SUMO will not be able to pull in those connection details.

Avoid stairs, model an inclined slab to represent the throat of the staircase. The inclined slab will be imported into SUMO as an inclined plane shell. You can model balustrades, but model them as individual components, rather as a complete Family.

Model having centerlines in mind. This will cause elements to intersect in Revit, which you will need to address when importing the SUMO regardless. This eliminates a lot of post-processing when exporting from Revit to SUMO.

Lastly, consider the mapping process. You will need to map Families from Revit to SUMO. Ensure that all of the elements used in Revit have an equivalent profile in the SUMO database before starting the export process. Using stable Families is also incredibly useful. I prefer using the South African Content Pack Families, accessible from the Autodesk Products Page.

The above alone should provide sufficient time saving if implemented correctly.

Check out future blogs for more information on the above, which is becoming more and more common in the industry.

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