“We are excited about the new release of React Structures, being the first structural analysis solution to include an out of the box integration with Autodesk Dynamo. Dynamo will help engineers better drive the structural analysis process and even exchange the model information with Revit in a much more customized, reliable way.”
Connect Revit with React Structures using Dynamo
In this video a Dynamo script reads the analytical model from Revit linear elements, it converts their representation to analytical bars, then it reads family types to get proper sections and assigns them to React Structures bar elements.
more: http://react.autodesk.com/blog/2015/11/19/why-dynamo-react-structures/