Publications and invited talks of Atsushi Sekimoto (Okayama University) on turbulence, data-driven fluid mechanics, dynamical systems, chemical engineering flows and GPU computing. 関本 敦（岡山大学）の論文・招待講演を，研究テーマごとに紹介しています．全件の一覧はページ下の「業績一覧（テキスト版）」にもあります．
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Turbulent Square Duct Flow
Homogeneous shear turbulence
Data-driven and dynamical system approach
Turbulent Boundary Layer Flow
Chemical Engineering and other complex flow
Research grants / 研究費の獲得実績
科研費・研究助成など（研究代表者）。researchmap の登録をもとに掲載しています。
2026–2028年度 科研費 基盤研究(C)「データ駆動型の乱流中の因果律探索と乱流制御手法の新開拓」
2025–2026年度 科研費 学術変革領域研究(A) 公募研究（学習物理学）「学習物理モデルの非線形力学系解析」
2024年度 岡山大学 若手研究者研究着想支援事業（DOWAホールディングスとの連携協定）「深層強化学習による熱的流動制御の深化」
2023年度〜 稲盛財団 稲盛研究助成「数理最適化理論に基づくデータ駆動型の先端流動制御」
2022年度 ホソカワ粉体工学振興財団 研究助成「矩形ダクト流路内の粒子挙動の制御」
2021–2023年度 科研費 基盤研究(C)「逆圧力勾配下における乱流境界層の統計量スケーリング則と新たなLES基盤の創出」
2018–2019年度 科研費 若手研究「不変解に基づいた乱流モデルの高精度化」
2018年度 航空機国際共同開発促進基金 国際交流助成「逆圧力勾配境界層乱流の研究」
2017年度 European Research Council（Third Madrid Turbulence Workshop）「Minimal plane Couette flow with pressure gradients」
2009年度 科研費 特別研究員奨励費「高レイノルズ数における正方形ダクト乱流の大規模構造と二次流れ」
学外スーパーコンピュータの課題採択は Research の「計算資源」に、企業との共同研究は AI for Science & Industry に件数を載せています。
Publication list (text) / 業績一覧（テキスト版）
Publication list (text) / 業績一覧（テキスト版）
Publications and invited talks of Atsushi Sekimoto (関本 敦), Okayama University, on turbulence, data-driven fluid mechanics, dynamical systems and GPU computing. 関本 敦（岡山大学）の論文・招待講演の一覧です。
Journal articles / 学術論文 (28)
2021. Y. Takehara, A. Sekimoto, Y. Okano, T. Ujihara, S. Dost, Explainable machine learning for the analysis of transport phenomena in top-seeded solution growth of SiC single crystal, Journal of Thermal Science and Technology 16, JTST0009.
2021. R. Ghritli, Y. Okano, Y. Inatomi, A. Sekimoto, S. Dost, Estimation of the diffusion coefficient of GaSb in InSb melt using Bayesian optimization and the ISS experimental results, Journal of Crystal Growth 573, 126280.
2021. R. L. A. Mendis, A. Sekimoto, Y. Okano, H. Minakuchi, S. Dost, A numerical study on the exact onset of flow instabilities in thermo-solutal Marangoni convection driven by opposing forces in a half-zone liquid bridge under zero gravity, Journal of Chemical Engineering of Japan 54, 424.
2021. R. L. A. Mendis, A. Sekimoto, Y. Okano, H. Minakuchi, S. Dost, The relative contribution of solutal Marangoni convection to thermal Marangoni flow instabilities in a liquid bridge of smaller aspect ratios under zero gravity, Crystals 11, 116.
2020. L. Wang, A. Sekimoto, Y. Takehara, Y. Okano, T. Ujihara, S. Dost, Optimal control of SiC crystal growth in the RF-TSSG system using reinforcement learning, Crystals 10, 791.
2020. Y. Takehara, A. Sekimoto, Y. Okano, T. Ujihara, S. Dost, Bayesian optimization for a high- and uniform-crystal growth rate in the top-seeded solution growth process of silicon carbide under applied magnetic field and seed rotation, Journal of Crystal Growth 532, 125437.
2020. S. Senthil, V. Kitsios, A. Sekimoto, C. Atkinson, J. Soria, Analysis of the factors contributing to the skin friction coefficient in adverse pressure gradient turbulent boundary layers and their variation with the pressure gradient, International Journal of Heat and Fluid Flow 82, 108531.
2020. J. Zhang, A. Sekimoto, Y. Okano, S. Dost, Numerical simulation of thermal-solutal Marangoni convection in a shallow rectangular cavity with mutually perpendicular temperature and concentration gradients, Physics of Fluids 32, 102108.
2020. R. L. A. Mendis, A. Sekimoto, Y. Okano, H. Minakuchi, S. Dost, Global linear stability analysis of thermo-solutal Marangoni convection in a liquid bridge under zero gravity, Microgravity Science and Technology 32, 729.
2020. C. Jin, A. Sekimoto, Y. Okano, H. Minakuchi, S. Dost, Characterization of the thermal and solutal Marangoni flows of opposite directions developing in a cylindrical liquid bridge under zero gravity, Physics of Fluids 32, 034104.
2020. L. Wang, Y. Takehara, A. Sekimoto, Y. Okano, T. Ujihara, S. Dost, Numerical study of three-dimensional melt flows during the TSSG process of SiC crystal for the influence of input parameters of RF-coils and an external rotating magnetic field, Crystals 10, 111.
2019. T. Horiuchi, L. Wang, A. Sekimoto, Y. Okano, T. Ujihara, S. Dost, Adjoint-based sensitivity analysis for the optimal crucible temperature profile in the RF-heating TSSG-SiC crystal growth process, Journal of Crystal Growth 517, 59.
2019. A. Sekimoto, Y. Kanemaru, Y. Okano, K. Kanie, R. Kato, M. Kino-oka, Numerical investigation of particle dispersion in the preprocessing stage for a static cell cultivation, Regenerative Therapy 12, 83.
2019. L. Wang, T. Horiuchi, A. Sekimoto, Y. Okano, T. Ujihara, S. Dost, Three-dimensional numerical analysis of Marangoni convection occurring during the growth process of SiC by the RF-TSSG method, Journal of Crystal Growth 520, 72.
2019. P. V. Stoyanova, L. Wang, A. Sekimoto, Y. Okano, Y. Takagi, Effect of thin and rough layers of porous materials on drag, Journal of Chemical Engineering of Japan 52, 493.
2019. Y. Imai, T. Yamamoto, A. Sekimoto, Y. Okano, R. Sato, Y. Shigeta, Numerical investigation of the nano-scale solutal Marangoni convections, Journal of the Taiwan Institute of Chemical Engineers 98, 20.
2019. T. Horiuchi, L. Wang, A. Sekimoto, Y. Okano, T. Yamamoto, T. Ujihara, S. Dost, The effect of crucible rotation and crucible size in top-seeded solution growth of single-crystal silicon carbide, Crystal Research and Technology 54, 1900014.
2019. X. Jin, A. Sekimoto, Y. Okano, T. Yamamoto, Y. Hayakawa, Y. Inatomi, S. Dost, Numerical investigation of the effect of heating rate on InGaSb crystal growth under zero-gravity, Microgravity Science and Technology 31, 377.
2018. A. Sekimoto, C. Atkinson, J. Soria, Characterisation of minimal-span plane Couette turbulence with pressure gradients, Journal of Physics: Conference Series 1001, 012020.
2018. C. Atkinson, A. Sekimoto, J. Jiménez, J. Soria, Reynolds stress structures in a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation, Journal of Physics: Conference Series 1001, 012001.
2018. L. Wang, T. Horiuchi, A. Sekimoto, Y. Okano, T. Ujihara, S. Dost, Numerical investigation of the effect of static magnetic field on the TSSG growth of SiC, Journal of Crystal Growth 498, 140.
2017. A. Sekimoto, J. Jiménez, Vertically localised equilibrium solutions in large-eddy simulations of homogeneous shear flow, Journal of Fluid Mechanics 827, 225.
2017. S. Dong, A. Lozano-Durán, A. Sekimoto, J. Jiménez, Coherent structures in statistically stationary homogeneous shear turbulence, Journal of Fluid Mechanics 816, 167.
2017. V. Kitsios, A. Sekimoto, C. Atkinson, J. A. Sillero, G. Borrell, A. G. Gungor, J. Jiménez, J. Soria, Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation, Journal of Fluid Mechanics 829, 392.
2016. A. Sekimoto, S. Dong, J. Jiménez, Direct numerical simulation of statistically stationary and homogeneous shear turbulence and its relation to other shear flows, Physics of Fluids 28.
2016. E. Sasaki, G. Kawahara, A. Sekimoto, J. Jiménez, Unstable periodic orbits in plane Couette flow with the Smagorinsky model, Journal of Physics: Conference Series 708, 012003.
2011. A. Sekimoto, G. Kawahara, K. Sekiyama, M. Uhlmann, A. Pinelli, Turbulence- and buoyancy-driven secondary flow in a horizontal square duct heated from below, Physics of Fluids 23.
2010. A. Pinelli, M. Uhlmann, A. Sekimoto, G. Kawahara, Reynolds number dependence of mean flow structure in square duct turbulence, Journal of Fluid Mechanics 644, 107.
Proceedings and preprints / 国際会議録・プレプリント (18)
2020. R. Isobe, Y. Kanemaru, A. Sekimoto, Y. Okano, M. Kino-Oka, The numerical estimation of mass transfer coefficient of oxygen in the large-scale suspension culture of iPS cells, IOP Conf. Series: Materials Science and Engineering 778, 012030.
2020. N. Ishida, A. A. Mohammed, A. Sekimoto, Y. Okano, S. Abe, K. Tanaka, Numerical investigation of gas-liquid two-phase flow in a stirred tank, Lecture Notes in Networks and Systems, 301.
2019. A. Sekimoto, V. Kitsios, C. Atkinson, J. Soria, Outer scaling of self-similar adverse-pressure-gradient turbulent boundary layers, arXiv:1912.05143 (preprint).
2019. J. S. Müller, K. Oberleithner, M. P. Eisfelder, A. Sekimoto, A. Buchner, V. Kitsios, C. Atkinson, J. Soria, Modal analysis of coherent structures in self-similar turbulent boundary layers with adverse pressure gradient, 11th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP11).
2019. Z. Wu, C. Atkinson, J. Soria, A. Sekimoto, The three-dimensional structures in turbulent Couette-Poiseuille flows on the verge of separation, 11th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP11).
2019. Y. Kanemaru, A. Sekimoto, Y. Okano, K. Kanie, R. Kato, M. Kino-oka, Numerical simulation of particle dispersion in a pre-processing of a static culture, MATEC Web of Conferences 268, 01001.
2019. C. Jin, A. Sekimoto, Y. Okano, H. Minakuchi, The numerical study of co-existence effect of thermal and solutal Marangoni convections in a liquid bridge, Lecture Notes in Networks and Systems 53, 244.
2018. Z. Wu, A. Sekimoto, C. Atkinson, J. Soria, Quadrant analysis and integral length scale of Couette-Poiseuille flows on the verge of separation, 21st Australasian Fluid Mechanics Conference.
2018. Z. Wu, A. Sekimoto, C. Atkinson, J. Soria, Near-wall structures in Couette-Poiseuille flows at the verge of separation, 11th Australasian Heat and Mass Transfer Conference.
2018. M. P. Eisfelder, J. S. Müller, A. Sekimoto, A. Buchner, V. Kitsios, C. Atkinson, K. Oberleithner, J. Soria, Stability of a self-similar adverse pressure gradient turbulent boundary layer.
2018. K. Elvitigala, Y. Kanemaru, M. Yano, A. Sekimoto, Y. Okano, M. Kino-Oka, Numerical simulation of shaking optimization in a suspension culture of iPS cells, Lecture Notes in Networks and Systems 53, 283.
2018. K. Elvitigala, Y. Kanemaru, M. Yano, A. Sekimoto, Y. Okano, M. Kino-Oka, Numerical optimization of the shaking speed suspension culture of iPS cells, 29th Int. Symp. on Transport Phenomena.
2017. A. Sekimoto, V. Kitsios, C. Atkinson, J. Jiménez, J. Soria, Intense focal and Reynolds stress structures of a self-similar adverse pressure gradient turbulent boundary layer, 10th Int. Symp. on Turbulence and Shear Flow Phenomena (TSFP10).
2016. A. Sekimoto, V. Kitsios, C. Atkinson, J. Jiménez, J. Soria, Coherent structures in a self-similar adverse pressure gradient turbulent boundary layer, 20th Australasian Fluid Mechanics Conference.
2016. C. Atkinson, A. Buchner, A. Sekimoto, V. Kitsios, J. Soria, Experimental measurements of a self-similar adverse pressure gradient turbulent boundary layer, 20th Australasian Fluid Mechanics Conference.
2009. A. Sekimoto, A. Pinelli, M. Uhlmann, G. Kawahara, The effect of coherent structures on the secondary flow in a square duct, Advances in Turbulence XII, 329.
2008. M. Uhlmann, A. Pinelli, A. Sekimoto, G. Kawahara, Coherent structures in marginally turbulent square duct flow, IUTAM Symposium on Computational Physics and New Perspectives in Turbulence, 137.
2007. M. Uhlmann, A. Pinelli, A. Sekimoto, G. Kawahara, Characterisation of marginally turbulent square duct flow, Advances in Turbulence XI, 41.
Invited talks / 招待講演 (19)
2024. データ駆動計算による流体制御と生物流体への応用 — 2024年度研究集会「生物流体力学における運動・行動の機構」
2024. 統計的に定常な一様せん断乱流の直接数値シミュレーションと安定密度成層流れへの応用 — 日本流体力学会年会2024
2023. データ駆動型の熱制御による流動設計 — IMI研究集会「流体数理・データ科学による乱流場の計測・予測・制御・設計」
2023. 地方都市での微気象予測による地域社会課題解決 — 岡山大学AI・数理データサイエンスセンターサイバーフィジカル情報応用研究推進部門（Cypher）研究会
2022. 研究紹介 — 岡山大学 Cypher ７月研究会
2019. 剥離寸前の逆圧力勾配境界層乱流の大規模数値計算と統計量のスケーリング則 — MMDS 研究 集会「工学と数学の接点を求めて」 ,大阪大学(豊中キャンパス)
2019. Buoyancy effect on the secondary flow and heat transfer in a marginally turbulent square duct — 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE2019)
2019. 海外ポスドク生活と成長の軌跡 — 2019 年度日本機械学会年次大会・特別企画プログラム・ 大学教員人材の採用・育成を考える (秋田大学)
2019. Invariant solutions in DNS/LES of statistically stationary homogeneous shear flow — Scientific Computing Across Scales: Extreme Events and Criticality in Fluid Mechanics
2018. Unstable periodic orbits in homogeneous shear flow, Monash Fluid Seminar Series — Monash Fluid Seminar Series
2018. 基礎セミナー：流体現象を解きほぐす数理科学「乱流の直接数値シミュレーション」 — 基礎セミナー：流体現象を解きほぐす数理科学
2018. 一様剪断流の LES における非線形サドル解 — ダイナミクス研究会中野,明治大学
2016. Self-Sustaining motions and periodic orbits in a statistically-stationary homogeneous shear flow — RIMS 合宿型セミナー
2016. 一様せん断流における不安定周期解 — CMRU 数学連携セミナー, 明治大学
2016. Self-sustaining motions and periodic orbits in statistically stationary homogeneous shear turbulence — Seminar in the University of Melbourne
2014. 大規模並列直接数値計算の基礎と応用 — 研究集会「低侵襲性人工血管の開発とそれに伴う数 値解析手法の構築」九州大学マス・フォア・インダストリ研究所
2014. 一様せん断乱流の数値シミュレーション~不安定周期解による乱流の動力学の解明~ — 第 24 回 SMART セミナー,東北大学理学研究科
2014. 一様剪断流における不安定周期解 — 京都大学 数理解析研究所共同研究集会
2013. Inclined-vortex solutions in homogeneous shear flow — IUTAM Symposium on Vortex Dynamics: Formation, Structure and Function
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