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- Kristina Pickl, Jan Götz, +4 authors Ulrich Rüde
- J. Comput. Science
- 2012

We simulate the self-propulsion of devices in a fluid in the regime of low Reynolds numbers. Each device consists of three bodies (spheres or capsules) connected with two damped harmonic springs. Sinusoidal driving forces compress the springs which are resolved within a rigid body physics engine. The latter is consistently coupled to a 3D lattice Boltzmann… (More)

- Jayant Pande, Ana-Sunčana Smith
- Soft matter
- 2015

In this analytical study we demonstrate the richness of behaviour exhibited by bead-spring micro-swimmers, both in terms of known yet not fully explained effects such as synchronisation, and hitherto undiscovered phenomena such as the existence of two transport regimes where the swimmer shape has fundamentally different effects on the velocity. For this… (More)

- N. Manoj, V. R. Srinivas, +497 authors Anjana Sen
- Journal of Biosciences
- 2008

Shape equations for phospholipid vesicles including a spherical actin cortex are derived<lb>in 2 and 3 spatial dimensions. They arise from the condition of stationarity of the membrane free<lb>energy at fixed area and volume'. Numerical solutions are presented in the 2 dimensional case, while, in<lb>the more involved context of 3 dimensional shapes, the… (More)

- Jayant Pande, Laura Merchant, Timm Krüger, Jens Harting, Ana-Sunčana Smith
- Soft matter
- 2017

In this work we consider the following question: given a mechanical microswimming mechanism, does increased deformability of the swimmer body hinder or promote the motility of the swimmer? To answer this we run immersed-boundary-lattice-Boltzmann simulations of a microswimmer composed of deformable beads connected with springs. We find that the same… (More)

- Kristina Pickl, Jayant Pande, Harald Köstler, Ulrich Rüde, Ana-Sunčana Smith
- Journal of physics. Condensed matter : an…
- 2017

Propulsion at low Reynolds numbers is often studied by defining artificial microswimmers which exhibit a particular stroke. The disadvantage of such an approach is that the stroke does not adjust to the environment, in particular the fluid flow, which can diminish the effect of hydrodynamic interactions. To overcome this limitation, we simulate a… (More)

- Kristina Pickl, Jayant Pande, Harald Köstler, Ana-Suncana Smith, Ulrich Rüde
- ArXiv
- 2016

Microswimmers, especially in theoretical treatments, are generally taken to be completely inertia-free, since inertial effects on their motion are typically small and assuming their absence simplifies the problem considerably. Yet in nature there is no discrete break between swimmers for which inertia is negligibly small and for which it is detectable. Here… (More)

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