This title appears in the Scientific Report :
2016
Please use the identifier:
http://hdl.handle.net/2128/12672 in citations.
Please use the identifier: http://dx.doi.org/10.1039/C6SM01094F in citations.
Dynamics of self-propelled filaments pushing a load
Dynamics of self-propelled filaments pushing a load
Worm-like filaments, which are propelled by a tangential homogeneous force along their contour, are studied as they push loads of different shapes and sizes. The resulting dynamics is investigated using Langevin dynamics simulations. The effects of size and shape of the load, propulsion strength, an...
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Personal Name(s): | Isele-Holder, Rolf (Corresponding author) |
---|---|
Jäger, Julia / Saggiorato, Guglielmo / Elgeti, Jens / Gompper, Gerhard | |
Contributing Institute: |
Theorie der Weichen Materie und Biophysik; ICS-2 |
Published in: | Soft matter, 12 (2016) 41, S. 8495 - 8505 |
Imprint: |
London
Royal Soc. of Chemistry
2016
|
DOI: |
10.1039/C6SM01094F |
PubMed ID: |
27759125 |
Document Type: |
Journal Article |
Research Program: |
Physical Basis of Diseases |
Link: |
OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1039/C6SM01094F in citations.
Worm-like filaments, which are propelled by a tangential homogeneous force along their contour, are studied as they push loads of different shapes and sizes. The resulting dynamics is investigated using Langevin dynamics simulations. The effects of size and shape of the load, propulsion strength, and thermal noise are systematically explored. The propulsive force and hydrodynamic friction of the load cause a compression in the filament that results in a buckling instability and versatile motion. Distinct regimes of elongated filaments, curved filaments, beating filaments, and filaments with alternating beating and circular motion are identified, and a phase diagram depending on the propulsion strength and the size of the load is constructed. Characteristic features of the different phases, such as beating frequencies and rotational velocities, are demonstrated to have a power-law dependence on the propulsive force. |