Working Group 3b: Damping Rings Summary Jie GAO (IHEP), Susanna GUIDUCCI (INFN), Andy WOLSKI (LBNL) 2nd ILC Workshop, Snowmass Plenary Summary Session.
Non-linear (Effective) Modeling of Accelerators
Working Group 3b: Damping Rings Summary
R. Bruce on behalf of collimation team, FLUKA team
