Papers - OKUMURA Ko

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  1. ‐身近な現象の物理‐　切り紙に潜む物理

    日本物理学会誌, , 2017.05, 磯部翠、奥村剛, Survey, Research paper (scientific journal), Capital Author

  2. Meandering instability of air flow in a granular bed: self-similarity and fluid-solid duality

    Sci. Rep. 6, 38457 (2016), , 2016.12, Yuki Yoshimura, Yui Yagisawa, and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  3. 印象派物理学による「切り紙」構造の高い伸張性の解明(Material Report -R & D- )

    機能材料 2016年11月号　, , 2016.11, 奥村剛, Survey, Research paper (scientific journal), Single Author

  4. Scaling crossover in thin-film drag dynamics of fluid drops in the Hele-Shaw cell

    Sci. Rep. 6, 31395 (2016), , 2016.08, Misato Yahashi, Natsuki Kimoto, and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  5.  Initial rigid response and softening transition of highly stretchable kirigami sheet materials

     Sci. Rep. 6, 24758 (2016)., , 2016.04, Midori Isobe and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  6. Scaling crossover in crack-tip stresses and a robust scaling law for fracture strength

    J. Phys. Soc. Jpn. 84, 114602 (2015), , 2015.12, Narumi Takahashi and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  7. Simple views on different problems in physics: from drag friction to tough biological materials

    Phil. Mag. 96, 828-841 (2016), , 2015.12, Ko Okumura, Original, Research paper (scientific journal), Single Author

  8. 現代物理のキーワード「滴の融合：表面張力が駆動する流体動力学の一例として」

    日本物理学会誌、69 (2014) 678-679, , 2014.11, 奥村剛, Survey, Research paper (scientific journal), Single Author

  9. Capillary rise on legs of a small animal and on artificially textured surfaces mimicking them

    PlosOne 9 (2014) e96813, , 2014.05, Marie TANI, Daisuke ISHII, Shuto ITO, Takahiko HARIYAMA, Masatsugu SHIMOMURA, and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  10. High-velocity drag friction in granular media near the jamming point

    Phys. Rev. Lett. 112 (2014) 148001, , 2014.04, Yuka TAKEHARA and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  11. Fracture of soft foam solids: interplay of visco- and plasto-elasticity

    ACS Macro Lett. 3 (2014), 419-422, , 2014.03, Yuki Kashima and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  12. Simple Network Model for Reinforcement of Materials with Voids

    J. Phys. Soc. Jpn. 83, 035001:1-2, (2014), , 2014.02, Mayuko MURANO and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  13. Simple Model for the Toughness of a Helical Structure Inspired by the Exoskeleton of Lobsters

    J. Phys. Soc. Jpn. 82 (2013) 124802 (6 pages), , 2013.11, Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  14. Realistic numerical analysis of a bioinspired layered composite with a crack: robust scaling laws and crack arrest

    Adv. Eng. Mater., 15, 522-528 (2013), , 2013.05, Yukari HAMAMOTO and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  15. Scaling relation in fracture of the materials with elastoplastic response inaccessible by scaling laws.

    J. Phys. Soc. Jpn. (in press, 2012), , 2012.08, Naomi SONE, Marie MORI, and Ko OKUMURA,, Original, Research paper (scientific journal), Capital Author

  16. Imbibition of surfaces decorated with pillars of submillimeter scales,

    2012.08, Noriko OBARA and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  17. Coalescence dynamics of a quasi-two dimensional viscous Drop.

    2012.08, Maria YOKOTA and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  18. 印象派物理学で描き出す身近に潜むシンプルな物理：しずく、あわ、真珠、クモの巣を題材として

    物性研究, , 2012.02, 奥村剛, Survey, Research paper (scientific journal), Single Author

  19. High-velocity drag friction in dense granular media.

    Bull. Am. Phys. Soc. 56 (2011) 29., , 2011.10, Yuka Takehara and Ko Okumura, Original, Research paper (scientific journal), Coauthor

  20. Dimensional crossover in the viscous dynamics of coalescence of liquid drops confined in between two plates.

    Bull. Am. Phys. Soc. 56 (2011) 394., , 2011.10, Maria Yokota and Ko Okumura, Original, Research paper (scientific journal), Coauthor

  21. 表面・界面の印象派物理学：スーパー理系女子たちが開きつつある新しい物理学の地平

    応用物理学会　有機分子・バイオエレクトロニクス分科会　会誌, , 2011.08, 奥村剛, Survey, Research paper (scientific journal), Single Author

  22. Viscous drag friction acting on a fluid drop confined in between two plates

    2011.05, Ayako ERI and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  23. Dimensional crossover in the coalescence dynamics of viscous drops confined in between two plates

    Proc. Nat. Acad. Sci.(USA), doi:10.1073/pnas.1017112108., , 2011.04, Maria YOKOTA and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  24. High velocity drag friction in dense granular media

    EPL (Europhys. Lett.), 92, 44003 (2010)., , 2010.11, Yuka TAKEHARA, Sachika FUJIMOTO and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  25. Bursting of a thin film in a confined geometry: Rimless and constant-velocity dewetting

    Phys. Rev. E Rapid Communication, 82, 030601 (2010)., , 2010.09, Ayako ERI and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  26. 固体表面テクスチャによるぬれの制御

    トライボロジスト、55 (2010) 242-247 (2010年4月号）, , 2010.04, 奥村剛, Original, Research paper (scientific journal), Single Author

  27. 天然物質の強靭性：硬・柔の組み合わせの妙: 真珠層とクモの巣を例として

    日本物理学会誌、66 (2010) 97-105 (2010年2月号）, , 2010.02, 奥村剛, Original, Research paper (scientific journal), Single Author

  28. A simple model for the mechanics of spider webs

    2010.01, Original, Research paper (scientific journal), Capital Author

  29. On the origin of contact angle hysteresis,

    Bull. Am. Phys. Soc. 54 (2009) 222., , 2009.10, Yumiko Yoshitake and Ko Okumura, Original, Research paper (scientific journal), Coauthor

  30. On a moving liquid film and its instability on textured surfaces

    2009.10, Original, Research paper (scientific journal), Capital Author

  31. Dynamics of bubbles and drops in a Hele-Shaw cell.

    Bull. Am. Phys. Soc. 54 (2009) 115., , 2009.10, Ko Okumura , Ayako Eri, and Maria Yokota, Original, Research paper (scientific journal), Capital Author

  32. Stress and displacement around a crack in layered network systems mimicking nacre

    2009.06, Original, Research paper (scientific journal), Capital Author

  33. Crack-tip stress concentration and structure size in nonlinear structured materials

    J. Phys. Soc. Jpn. 78 (2009) 034402-1--5, , 2009.03, Yuko AOYANAGI and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

  34. Analytical solution to a fracture problem in a tough layered structure

    2008.08, Yukari Hamamoto and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  35. Wetting transitions on textured hydrophilic surfaces Eur. Phys. J. E 25 (2008) 415-424.

    2008.04, C. Ishino and K. Okumura, Original, Research paper (scientific journal), Capital Author

  36. Nematic transitions inside a film on substrates with stripe patterns of graded homeotropic anchoring, Chem. Phys. Lett. (accepted in Jan., 2008).

    2008.02, Nao Sato and Ko Okumura, Original, Research paper (scientific journal), Capital Author

  37. Lifetime of a two-dimensional air bubble, Phys. Rev. E Rapid Communications 76 (2007) 060601 (2008).

    2008.01, Ayako ERI and Ko OKUMURA, Original, Research paper (scientific journal), Capital Author

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