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Home›Data center›Researcher database›Okamoto Hisashi

教授

Okamoto Hisashi

岡本 久

Gakushuin University · Graduate School of Natural Science

Affiliation
Gakushuin University · Graduate School of Natural Science
Research keywords
nonlinear PDE, fluid dynamics, stationary solutions, Reynolds number, heat transfer
Research fields
Global analysis, Mathematics, General mathematics (including Probability theory/Statistical mathematics), 物理学一般, 解析学, Basic analysis, Engineering, Engineering fundamentals, Applied physics, General mathematics (including Probability theory/Statistical mathematics), Foundations of mathematics/Applied mathematics, Mathematics and Physics, Physics, Science, Science and Engineering, Mathematical Sciences in Search of New Cooperation
Funded projects
55 grants · latest 2022

Recent work

  • Stationary flows with highly localized vorticity of the incompressible viscous fluid at large Reynolds numbers（2023）
  • A thorough description of one-dimensional steady open channel flows using the notion of viscosity solution（2022）
  • Rigorous numerics for nonlinear heat equations in the complex plane of time（2022）
  • Stationary water waves on rotational flows of two vortical layers（2021）
  • Finite difference schemes for an axisymmetric nonlinear heat equation with blow-up（2020）

Funded projects

  • ナヴィエ・ストークス方程式に関連する数値解析的な研究（2022）
  • 非圧縮流体の力学的諸問題の数理的研究（2018）
  • 偏微分方程式の粘性解にもとづく灌漑スキームの最適運用（2016）
  • 次世代高速鉄道のためのトンネル圧縮波変形メカニズムの数理科学的研究（2015）
  • 大規模数値解析による乱流中の流れ構造の動力学と異方性の解明（2013）

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