Conference, Publications Extension of Kelvin’s Minimum Energy Theorem to Flows with Open Regions March 14, 2015March 6, 2018 | by Tony Saad http://tonysaad.net/docs/conference/Saad-and-Majdalani-2010-Extension-of-Kelvins-Minimum-Energy-Theorem-to-Flows-with-Open-Regions.pdf