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Dept of Mathematics, University of Cincinnati
Fri 22 Nov 2019, 3:00pm
Department Colloquium
ESB 1012
Microswimmers propelled by helical flagella: Modeling, Simulations & Analysis
ESB 1012
Fri 22 Nov 2019, 3:00pm-3:50pm

Abstract

 Swimming bacteria with helical flagella are self-propelled micro-swimmers in nature, and the swimming strategies of such bacteria vary depending on the number and the position of flagella on the cell body. In this talk, I will introduce two microorganisms, multi-flagellated E. coli and single-flagellated Vibrio A. The Kirchhoff rod theory is used to model the elastic helical flagella and the rod-shaped cell body is represented by a hollow ellipsoid that can translate and rotate as a neutrally buoyant rigid body interacting with a surrounding fluid. The hydrodynamic interaction between the fluid and the bacteria is described by the regularized version of Stokes flow. I will focus on how bacteria can swim and reorient swimming course for survival and how Mathematics can help to understand the swimming mechanism of such bacteria.

Keywords: Fluid-structure interaction, Bacterial flagellar propulsion, Polymorphic transformation, Buckling instability

Note for Attendees

Refreshments are served at 2:30pm in ESB 4133 PIMS lounge before the Colloquium.
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Thomas Hugh
UBC MATH
Fri 28 Feb 2020, 3:00pm
Department Colloquium
TBD
Graduate Research Award: TBD
TBD
Fri 28 Feb 2020, 3:00pm-3:50pm

Abstract


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Rebeca Cardim Falcao
UBC MATH
Fri 6 Mar 2020, 3:00pm
Department Colloquium
TBD
Graduate Research Award: TBD
TBD
Fri 6 Mar 2020, 3:00pm-3:50pm

Abstract


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Chen Wang
UBC MATH
Fri 13 Mar 2020, 3:00pm
Department Colloquium
TBD
Graduate Research Award: TBD
TBD
Fri 13 Mar 2020, 3:00pm-3:50pm

Abstract


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UBC MATH
Fri 20 Mar 2020, 3:00pm
Department Colloquium
TBD
Graduate Research Award: TBD
TBD
Fri 20 Mar 2020, 3:00pm-3:50pm

Abstract


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UBC MATH
Fri 27 Mar 2020, 3:00pm
Department Colloquium
TBD
Graduate Research Award: TBD
TBD
Fri 27 Mar 2020, 3:00pm-3:50pm

Abstract


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Max-Planck Institute for Evolutionary Biology
Fri 1 May 2020, 3:00pm
Department Colloquium
ESB 1012
(PIMS/UBC distinguished colloquium) TBA
ESB 1012
Fri 1 May 2020, 3:00pm-4:00pm

Abstract

 
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Ciprian Manolescu
Stanford University
Fri 9 Apr 2021, 3:00pm
Department Colloquium
ESB1012
PIMS-UBC Distinguished Colloquium
ESB1012
Fri 9 Apr 2021, 3:00pm-4:00pm

Abstract

 
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