Characterise the nanoparticle carrying capsule as a Stokeslet (forced particle) or a force dipole
(force free particle). The fluid dynamic response of these two singularities is very different.
2.
The existing algorithm allows us to only investigate spherical capsules. Therefore, we need to
develop a numerical algorithm to simulate the motion of cylindrical capsules.
3.
Simulate the trajectory of both spherical and cylindrical capsules in a microchanne l. The initial
condition can be of different types, the ones corresponding to the steady state trajectories
observed in case of a single swimmer. Carry the same situations but with the presence of a
spherical obstacle. Characterise these trajectories and l ook for instances, particularly when the
trajectory is reversed or substantially altered.
4.
Carry out similar computers simulations where another capsule is present along with the
swimmer understudy. Then, study the hydrodynamic collision behaviour of these two swimmers.
In this case the configuration space is large as it involves the three dimensional positions and
orientations of two swimmers.
5.
Identify scenarios channel dimensions, swimmer strength and obstacle characteristics when
the presence of obsta cles or swimmers can reverse the motion of a squirmer.
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