Sperm Navigation: from hydrodynamic interactions to parameter estimation
Schedule
Wednesday, March 3, 2021
15:00 UTC
Sarah Olson
Dr
Worcester Polytechnic Institute
Host: BioActive Fluids
Recording
Open recording
Event Information
Recording
Available
Host
BioActive Fluids
Duration
70 minutes
Abstract
Microorganisms can swim in a variety of environments, interacting with chemicals and other proteins in the fluid. In this talk, we will highlight recent computational methods and results for swimming efficiency and hydrodynamic interactions of swimmers in different fluid environments. Sperm are modeled via a centerline representation where forces are solved for using elastic rod theory. The method of regularized Stokeslets is used to solve the fluid-structure interaction where emergent swimming speeds can be compared to asymptotic analysis. In the case of fluids with extra proteins or cells that may act as friction, swimming speeds may be enhanced, and attraction may not occur. We will also highlight how parameter estimation techniques can be utilized to infer fluid and/or swimmer properties.
Topics
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