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SUMMARY:Optimal transport and control of active drops - Suraj Shankar\, Ha
 rvard
DTSTART:20210608T120000Z
DTEND:20210608T130000Z
UID:TALK159538@talks.cam.ac.uk
CONTACT:Camille Scalliet
DESCRIPTION:Zoom link: https://maths-cam-ac-uk.zoom.us/j/94018037756\n\nTr
 ansportation of materials is a common yet important task in a variety of f
 ields including physics\, biology\, and economics\, and\na great deal is k
 nown about optimal and efficient strategies to perform it. But can we craf
 t similar optimal protocols to transport autonomously moving matter such a
 s self-propelled active drops or migrating cells? I will present an optima
 l control framework to transport a drop of an active suspension with a min
 imal expenditure of mechanical work\, achieved by dynamically varying the 
 spatial profile of its internal active stress. By combining numerical solu
 tions and analytical insight\, I will discuss the geometric nature of cont
 rollability and highlight characteristic precision\, power and efficiency 
 trade-offs that govern the optimal policies\, suggesting general strategie
 s for optimal transportation in a wide variety of synthetic and biological
  active systems.
LOCATION:via zoom\, meeting ID 940-1803-7756
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