Autodesk Analytical Modeling 2019 Dynamo Package

The Autodesk Analytical Modeling 2019 Dynamo package helps structural engineers better control and automate the creation of analytical models in Revit.
Create a complete and consistent analytical model with parameterization, definition of logical assumptions, priorities, and customizable scripting. Customizable logic helps you create different rules-based analytical models for diverse types of buildings and multiple analytical model variants for similar building structures, and allows you to use similar patterns across projects.
Learn more: https://blogs.autodesk.com/revit/2019/04/08/autodesk-analytical-modeling-2019-dynamo-package/

source