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We present two-dimensional simulations of chemotactic self-propelled bacteria swimming in
a viscous fluid. Self-propulsion is modelled by a couple of forces of same intensity and
opposite direction applied on the rigid bacterial body and on an associated region in the
fluid representing the flagellar bundle. The method for solving the fluid flow and the
motion of the bacteria is based on a variational formulation written on the whole domain,
strongly...
We prescrit a method to simulate the motion of self-propelled rigid particles in a
twodimensional Stokesian fluid, taking into account chemotactic behaviour. Self-propulsion
is modelled as a point force associated to each particle, placed at a certain distance
from its gravity centre. The method for solving the fluid flow and the motion of the
bacteria is based on a variational formulation on the whole domain, including fluid and
particles: rigid...
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