Project Nucleus is Project Nucleus allows designers to experiment with "form-finding" in the conceptual design phase by simulating forces such as gravity and wind.
You can download the add-on for Revit Architecture or get Project Vasari which has the nucleus functionality built-in.
Something we have learned from the feedback we have gotten so far is that some people have gotten confused by the lack of a nucleus menu. In response to one of these inquires, Senior Manager for AEC Conceptual Design Products, Matt Jezyk, noted:
The Nucleus tab only appears while you are editing a loadable family (RFA file) as opposed to being in a project (RVT file). Here is how to do that:
Go to the big V button > New > Family
Select the Mass.rft template:
Now you will see the Nucleus tab on the Ribbon:
Revelation is alive in the lab.