Applied Math Seminar I Colin Denniston, Modelling Moving Objects in a Complex FluidExport this event to calendar

Thursday, November 22, 2018 — 2:30 PM EST

MC 6460<--break-><--break->

Speaker

Colin Denniston | Department of Applied Mathematics & Physics and Astronomy, Western University 

Title

Modelling Moving Objects in a Complex Fluid

 Abstract

An object freely moving in a fluid (i.e. not a prescribed motion) is a difficult situation to model as it involves solving partial differential equations over a domain with a moving boundary. As the motion of the boundary is not prescribed, its motion must also be part of the solution.  The situation is even more difficult in a complex fluid where there are additional boundary conditions for the internal structure of the fluid at the objects boundary.  I will discuss methods of solving this problem and, in particular, focus on advances in the immersed boundary method for inertial flows and massive objects.  I will illustrate the results using work my group has done on colloids, polymers, and moving discs in liquid crystals.

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