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      Thursday, November 23, 2017
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          November 23 12:00am
          Closed more »
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          November 23 12:00am
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          November 24 11:00am
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          November 25 12:00am
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          November 26 12:00am
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        Thursday, November 23, 2017

          About This Event

          Summary

          Title: Model for Complex Fluid-Structure Interaction in Sperm aand Ciliary Motility

          Speaker: Robert Dillon, Washington State University

          Abstract: The motility of sperm flagella and cilia are based on a common

          axonemal structure.  This structure is capable of generating a wide

          range of dynamical behavior modulated by signaling molecules as well

          as the properties of the fluid environment. We describe a

          fluid-mechanical model for the axoneme coupling the internal force

          generation of dynein molecular motors through the passive elastic

          axonemal structure with the external fluid mechanics. As shown in

          numerical simulations, the model's flagellar waveform depends strongly

          on viscosity as well as dynein strength. We show an extension of our

          original model for Newtonian fluids to complex viscoelastic fluids in

          order to model mucus transport by cilia in the respiratory tract as

          well as sperm motility in reproduction. These immersed boundary models

          for sperm and ciliary motility in complex fluids explore continuum

          approaches such as Oldroyd-B as well as Lagrangian moving mesh

          methods.

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          Contact Information

          Luoding Zhu
          lzhu@math.iupui.edu

          Event Site --- None ---
          Registration --- None ---

          Event Schedule

          There are no upcoming dates for this event.

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            November 23 12:00am
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            November 25 12:00am
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          Thursday, November 23, 2017