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  Simulations of Odd Microswimmers

Kobayashi, A., Yasuda, K., Lin, L.-S., Sou, I., Hosaka, Y., & Komura, S. (2023). Simulations of Odd Microswimmers. Journal of the Physical Society of Japan, 92(3): 034803. doi:10.7566/JPSJ.92.034803.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-C7D1-7 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-C7D5-3
Genre: Journal Article

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jpsj.92.034803.pdf (Publisher version), 558KB
 
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 Creators:
Kobayashi, Akira, Author
Yasuda, Kento, Author
Lin, Li-Shing, Author
Sou, Isamu, Author
Hosaka, Yuto1, Author                 
Komura, Shigeyuki, Author
Affiliations:
1Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2570692              

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 Abstract: We perform numerical simulations of odd microswimmers consisting of three spheres and two odd springs. To describe the hydrodynamic interaction, both the Oseen-type and the Rotne–Prager–Yamakawa (RPY)-type mobilities are used. For the Oseen-type mobility, the simulation results quantitatively reproduce the asymptotic expression of the average velocity. For the RPY-type mobility, on the other hand, the average velocity is smaller than that of the Oseen-type mobility and the deviation is more pronounced for larger spheres. We also perform simulations of microswimmers having different sphere sizes and show that the average velocity becomes smaller than that of the equal size case. The size of the middle sphere plays an important role in determining the average velocity.

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Language(s): eng - English
 Dates: 2023-02-21
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.7566/JPSJ.92.034803
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Project name : We thank K. Ishimoto for useful discussions. K.Y. acknowledges the support by a Grant-in-Aid for JSPS Fellows (No. 21J00096) from the Japan Society for the Promotion of Science (JSPS). S.K. acknowledges the support by the National Natural Science Foundation of China (Nos. 12274098 and 12250710127) and the startup grant of Wenzhou Institute, University of Chinese Academy of Sciences (No. WIUCASQD2021041).
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Title: Journal of the Physical Society of Japan
Source Genre: Journal
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Publ. Info: Tokyo : The Society
Pages: - Volume / Issue: 92 (3) Sequence Number: 034803 Start / End Page: - Identifier: ISSN: 0031-9015
CoNE: https://pure.mpg.de/cone/journals/resource/954925433407