| Issue |
EPL
Volume 91, Number 2, July 2010
|
|
|---|---|---|
| Article Number | 20001 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/91/20001 | |
| Published online | 03 August 2010 | |
Dynamics of a deformable self-propelled domain
1
Department of Physics, Kyoto University - Kyoto, 606-8502, Japan
2
Department of Physics, The University of Tokyo - Tokyo, 113-0033, Japan
Received:
25
February
2010
Accepted:
5
July
2010
We investigate the dynamical coupling between the motion and the deformation of a single self-propelled domain based on two different model systems in two dimensions. One is represented by the set of ordinary differential equations for the center of gravity and two tensor variables characterizing deformations. The other is an active cell model which has an internal mechanism of motility and is represented by the partial differential equation for deformations. Numerical simulations show a rich variety of dynamics, some of which are common to the two model systems. Possible experimental realization of the predictions is discussed.
PACS: 05.45.-a – Nonlinear dynamics and chaos / 47.54.-r – Pattern selection; pattern formation
© EPLA, 2010
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