Academic literature on the topic 'Purcell swimmer'

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Journal articles on the topic "Purcell swimmer"

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Alouges, F., A. DeSimone, L. Giraldi, and M. Zoppello. "Purcell magneto-elastic swimmer controlled by an external magnetic field." IFAC-PapersOnLine 50, no. 1 (2017): 4120–25. http://dx.doi.org/10.1016/j.ifacol.2017.08.798.

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Nuevo-Gallardo, Cristina, José Emilio Traver, Inés Tejado, and Blas M. Vinagre. "Purcell’s Three-Link Swimmer: Assessment of Geometry and Gaits for Optimal Displacement and Efficiency." Mathematics 9, no. 10 (2021): 1088. http://dx.doi.org/10.3390/math9101088.

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This paper studies the displacement and efficiency of a Purcell’s three-link microswimmer in low Reynolds number regime, capable of moving by the implementation of a motion primitive or gait. An optimization is accomplished attending to the geometry of the swimmer and the motion primitives, considering the shape of the gait and its amplitude. The objective is to find the geometry of the swimmer, amplitude and shape of the gaits which make optimal the displacement and efficiency, in both an individual way and combined (the last case will be referred to as multiobjective optimization). Three tra
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Kumar, M. Siva, and P. Philominathan. "Purcell’s swimmer revisited." International Journal of Automation and Computing 9, no. 3 (2012): 325–30. http://dx.doi.org/10.1007/s11633-012-0651-3.

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Kumar, M. Siva, and P. Philominathan. "Robo-Linked Purcell's Swimmer." International Journal of Fluid Mechanics Research 38, no. 6 (2011): 565–71. http://dx.doi.org/10.1615/interjfluidmechres.v38.i6.90.

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Wiezel, O., and Y. Or. "Optimization and small-amplitude analysis of Purcell's three-link microswimmer model." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2192 (2016): 20160425. http://dx.doi.org/10.1098/rspa.2016.0425.

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This work studies the motion of Purcell's three-link microswimmer in viscous flow, by using perturbation expansion of its dynamics under small-amplitude strokes. Explicit leading-order expressions and next-order correction terms for the displacement of the swimmer are obtained for the cases of a square or circular gait in the plane of joint angles. The correction terms demonstrate the reversal in movement direction for large stroke amplitudes, which has previously only been shown numerically. In addition, asymptotic expressions for Lighthill's energetic efficiency are obtained for both gaits.
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Moreau, Clement. "Local Controllability of a Magnetized Purcell’s Swimmer." IEEE Control Systems Letters 3, no. 3 (2019): 637–42. http://dx.doi.org/10.1109/lcsys.2019.2915004.

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Leshansky, A. M., and O. Kenneth. "Surface tank treading: Propulsion of Purcell’s toroidal swimmer." Physics of Fluids 20, no. 6 (2008): 063104. http://dx.doi.org/10.1063/1.2939069.

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Kadam, Sudin, and Ravi N. Banavar. "Geometric Controllability of The Purcell’s Swimmer and its Symmetrized Cousin." IFAC-PapersOnLine 49, no. 18 (2016): 988–93. http://dx.doi.org/10.1016/j.ifacol.2016.10.296.

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Avron, J. E., and O. Raz. "A geometric theory of swimming: Purcell's swimmer and its symmetrized cousin." New Journal of Physics 10, no. 6 (2008): 063016. http://dx.doi.org/10.1088/1367-2630/10/6/063016.

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BECKER, L. E., S. A. KOEHLER, and H. A. STONE. "On self-propulsion of micro-machines at low Reynolds number: Purcells three-link swimmer." Journal of Fluid Mechanics 490 (September 10, 2003): 15–35. http://dx.doi.org/10.1017/s0022112003005184.

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Dissertations / Theses on the topic "Purcell swimmer"

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Rouot, Jérémy. "Méthodes géométriques et numériques en contrôle optimal et applications au transfert orbital à poussée faible et à la nage à faible nombre de Reynolds." Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4103/document.

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Dans la première partie, on propose une étude sur le problème de nage à faible nombre de Reynolds à partir d'unnageur modélisant la nage des copépodes et du nageur historique de Purcell.En minimisant l’énergie dissipée par les forces de trainée sur le fluide, laquelle est reliée au concept d’efficacitéd’une nage, on utilise les outils géométriques et numériques du contrôle optimal. Le principe du maximum estutilisé pour calculer les contrôles optimaux périodiques satisfaisant une condition de transversalité fine reliée à laminimisation de l’énergie mécanique pour un déplacement fixé où à la ma
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Hammett, Victoria N. (Victoria Nicole). "Optimizing the stroke of Purcell's rotator, a low Reynolds number swimmer." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74440.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 24).<br>Purcell's rotator is a theoretical low Reynolds number swimmer that can act as a model of more complex natural microorganisms, such as E.coli. Because of the low Reynolds number environment, the swimmer has approximately no inertia and it's motion is dominated by viscous forces. The version of Purcell's rotator examined in this paper is two dimensional and has three rigid links which rotate about the center of t
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Book chapters on the topic "Purcell swimmer"

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"10 The Purcell three-link swimmer: some geometric and numerical aspects related to periodic optimal controls." In Variational Methods. De Gruyter, 2016. http://dx.doi.org/10.1515/9783110430394-010.

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Conference papers on the topic "Purcell swimmer"

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Kadam, Sudin, Kedar Joshi, Naman Gupta, Pulkit Katdare, and Ravi Banavar. "Trajectory tracking using motion primitives for the purcell's swimmer." In 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2017. http://dx.doi.org/10.1109/iros.2017.8206159.

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Scherr, Thomas F., Chunliang Wu, W. Todd Monroe, and Krishnaswamy Nandakumar. "Numerical Simulation of Cell Motility at Low Reynolds Number." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80280.

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As length scales decrease to microns, the mechanism for swimming becomes unfortunately counter-intuitive. In the macro-world, where human intuition has developed, we swim by accelerating the liquid around us. For microorganisms, which swim at Reynolds numbers much less than unity, Stokes law does not permit accelerations. As such, the fluid movement is governed entirely by the local boundaries of the microorganism and the fluid viscosity dampens velocity fluctuations rapidly as distance away from the swimmer increases. A well known byproduct of this, Purcell’s “Scallop Theorem”, forbids recipr
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Wiezel, Oren, and Yizhar Or. "Using optimal control to obtain maximum displacement gait for Purcell's three-link swimmer." In 2016 IEEE 55th Conference on Decision and Control (CDC). IEEE, 2016. http://dx.doi.org/10.1109/cdc.2016.7798947.

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