期刊
PHYSICAL REVIEW E
卷 103, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.103.012202
关键词
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资金
- JSPS KAKENHI [JP19J00365, JP20K14370, JP20H02712]
- Cooperative Research Program of Network Joint Research Center for Materials and Devices: Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials [20201023, 20204004]
- JSPS [JPJSBP120204602]
- PAN [JPJSBP120204602]
The study investigated the bifurcation structure on the self-propelled motion of a camphor rotor at a water surface. The asymmetric angular velocities in clockwise and counterclockwise directions imply an imperfect bifurcation. Numerical simulation results were used to analyze the conditions for the occurrence of this imperfect bifurcation.
We investigated the bifurcation structure on the self-propelled motion of a camphor rotor at a water surface. The center of the camphor rotor was fixed by the axis, and it showed rotational motion around it. Due to the chiral asymmetry of its shape, the absolute values of the angular velocities in clockwise and counterclockwise directions were different. This asymmetry in the angular velocities implies an imperfect bifurcation. From the numerical simulation results, we discuss the condition for the occurrence of the imperfect bifurcation.
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