Publications in Google Scholar
In Review
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G. T. Jamaat, Y. Hattori, and S. Kawai,
"A posteriori study on wall modeling in large eddy simulation using a nonlocal data-driven approach," in review, (2024). |
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S. Kawai and S. Kawai,
"Logarithmic mean approximation in improving entropy conservation in KEEP scheme with pressure equilibrium preservation property for compressible flows," in review, (2024). |
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S. Maejima, K. Tanino, and S. Kawai,
"Physics-informed machine-learning solution to log-layer mismatch in wall-modeled LES," in review, (2023). |
Peer-Reviewed Journal Articles
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Y. Tamaki and S. Kawai,
"Wall-modeled LES of transonic buffet over NASA-CRM using FFVHC-ACE," AIAA Journal, Articles in Advance, (2024). |
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R. Ida, Y. Tamaki, and S. Kawai,
"Theoretical link in numerical shock thickness and shock-capturing dissipation," Journal of Computational Physics, 505, 112901, (2024). |
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Y. Tamaki and S. Kawai,
"Turbulence anisotropy effects on corner-flow separation: physics and turbulence modeling," Journal of Fluid Mechanics, 980, A21, (2024). |
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H. Asada, K. Maruyama, and S. Kawai,
"Temporal discretization for improving kinetic-energy and entropy preservation properties in KEEP schemes," Computers & Fluids, 270, 106143, (2024). |
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R. Hirai and S. Kawai,
"Wall pressure fluctuations in wall heated and cooled shock wave and turbulent boundary layer interactions," International Journal of Heat and Fluid Flow, 103,109205, (2023). |
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H. Maeyama and S. Kawai,
"Near-wall numerical coherent structures and turbulence generation in wall-modeled large eddy simulation," Journal of Fluid Mechanics, 969, A29, (2023). |
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R. Kamogawa, Y. Tamaki, and S. Kawai,
"Ordinary-differntial-equation-based nonequilibrium wall modeling for large-eddy simulation," Physical Review Fluids, 8, 064605, (2023). |
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H. Asada, Y. Tamaki, R. Takaki, T. Yumitori, S. Tamura, K. Hatanaka, K. Imai, H. Maeyama, and S. Kawai,
"FFVHC-ACE: fully automated Cartesian-grid-based solver for compressible large-eddy simulation," AIAA Journal, 61 (8), 3466-3484, (2023). |
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Y. Iwatani, H. Asada, C.-A. Yeh, K. Taira, and S. Kawai,
"Identifying the self-sustaining mechanisms of transonic airfoil buffet with resolvent analysis," AIAA Journal, 61 (6), 2400-2411, (2023). |
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Y. Fujiwara, Y. Tamaki, and S. Kawai,
"Fully conservative and pressure-equilibrium preserving scheme for compressible multi-component flows,"
Journal of Computational Physics, 478, 111973, (2023). |
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H. Asada and S. Kawai,
"Conservative low-pass filter with compact stencils for hierarchical Cartesian mesh," Computers & Fluids, 252, 105769, (2023). |
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A. Aihara and S. Kawai,
"Effects of spanwise domain size on LES-predicted aerodynamics of stalled airfoil," AIAA Journal, 61 (3), 1440-1446, (2023). |
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H. Yasuda and S. Kawai,
"Wall-modeled large-eddy simulation with second-order accurate upwind scheme," AIAA Journal, 61 (2), 712-725, (2023). |
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Y. Tamaki and S. Kawai,
"Wall-resolved large-eddy simulation of near-stall airfoil flow at Re_c=10^7," AIAA Journal, 61 (2), 698-711, (2023). |
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Y. Tamaki, Y. Kuya, and S. Kawai,
"Comprehensive analysis of entropy conservation property of non-dissipative schemes for compressible flows: KEEP scheme redefined,"
Journal of Computational Physics, 468, 111494, (2022). |
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Y. Kuya and S. Kawai,
"Modified wavenumber and aliasing errors of split convective forms for compressible flows,"
Journal of Computational Physics, 464, 111336, (2022). |
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D. Terakado, T. Nonomura, S. Kawai, H. Aono, M. Sato, A. Oyama, and K. Fujii,
"Sound source characteristics generated by shocklets in isotropic compressible turbulence,"
Physical Review Fluids, 7, 084605, (2022). |
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R. Hirai, R. Pecnik, and S. Kawai,
"Semi-local Reynolds number's effects in scaling turbulent statistics for wall heated/cooled supersonic turbulent boundary layers,"
Physical Review Fluids, 6, 124603, (2021). |
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Y. Tamaki and S. Kawai,
"Wall-modeling for large-eddy simulation on non-body-conforming Cartesian grids,"
Physical Review Fluids, 6, 114603, (2021). |
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Y. Kuya and S. Kawai,
"High-order accurate kinetic-energy and entropy preserving (KEEP) schemes on curvilinear grids,"
Journal of Computational Physics, 442, 110482, (2021). |
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R. Hirai and S. Kawai,
"Analysis and robust method for source-term modeling of vortex generator,"
Journal of Aircraft, 58, 958-970, (2021). |
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N. Shima, Y. Kuya, Y. Tamaki, and S. Kawai,
"Preventing spurious pressure oscillations in split convective form discretization for compressible flows,"
Journal of Computational Physics, 427, 110060, (2021). |
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H. Terashima, Y. Hanada, and S. Kawai,
"A localized thickened flame model for simulations of flame propagation and autoignition under elevated pressure conditions,"
Proceedings of the Combustion Institute, 38, 2119-2126, (2021). |
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Y. Tamaki, Y. Fukushima, Y. Kuya, and S. Kawai,
"Physics and modeling of trailing-edge stall phenomena for wall modeled large-eddy simulation,"
Physical Review Fluids, 5, 074602, (2020). |
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Y. Kuya and S. Kawai,
"A stable and non-dissipative kinetic energy and entropy preserving (KEEP) scheme for non-conforming block boundaries on Cartesian grids,"
Computers & Fluids, 200, 104427, (2020). |
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S. Kawai and Y. Oikawa,
"Turbulence modeling for turbulent boundary layers at supercritical pressure: A model for turbulent mass flux,"
Flow, Turbulence and Combustion, 104, 625-641, (2020). |
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S. Kawai,
"Heated transcritical and unheated non-transcritical turbulent boundary layers at supercritical pressures,"
Journal of Fluid Mechanics, 865, 563-601, (2019). |
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T. Haga and S. Kawai,
"On a robust and accurate localized artificial diffusivity scheme for the high-order flux-reconstruction method,"
Journal of Computational Physics, 376, 534-563, (2019). |
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K. Shimoyama and S. Kawai,
"A Kriging-based dynamic adaptive sampling method for uncertainty quantification,"
Transactions of the Japan Society for Aeronautical and Space Sciences, 62, 137-150, (2019). |
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H. Asada and S. Kawai,
"A simple and cellwise high-order implicit discontinuous Galerkin scheme for unsteady turbulent flows,"
Transactions of the Japan Society for Aeronautical and Space Sciences, 62, 93-107, (2019). |
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Y. Kuya, K. Totani, and S. Kawai,
"Kinetic energy and entropy preserving schemes for compressible flows by split convective forms,"
Journal of Computational Physics, 375, 823-853, (2018). 日本流体力学会 論文賞 受賞論文 |
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A. Yakeno, Y. Abe, S. Kawai, T. Nonomura, and K. Fujii,
"Unsteady shear layer under excited local body-force for flow-separation control around a two-dimensional hump,"
International Journal of Heat and Fluid Flow, 74, 15-27, (2018). |
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K. Asada and S. Kawai,
"Large-eddy simulation of airfoil flow near stall condition at Reynolds number 2.1×10^6,"
Physics of Fluids, 30 (8), 085103, (2018). |
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T. Shiroto, S. Kawai, and N. Ohnishi,
"Structure-preserving operators for thermal-nonequilibrium hydrodynamics,"
Journal of Computational Physics, 364, 1-17, (2018). |
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H. Asada, S. Kawai, and K. Sawada,
"A quadrature simplification method for fast implicit discontinuous Galerkin schemes,"
Computers & Fluids, 167, 249-264, (2018). |
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Y. Fukushima and S. Kawai,
"Wall-modeled large-eddy simulation of transonic airfoil buffet at high Reynolds number,"
AIAA Journal, 56 (6), 2372-2388, (2018). |
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K. Hirai, Y. Katoh, N. Terada, and S. Kawai,
"Study of the transition from MRI to magnetic turbulence via parasitic instability by a high-order MHD simulation code,"
The Astrophysical Journal, 853 (2), 174, (2018). |
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淺田啓幸, 河合宗司, 澤田惠介,
"高次精度DG法によるNASA-CRMの空力係数予測,"
航空宇宙技術, 17, 179-188, (2018). |
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澤木悠太, 河合宗司, 澤田惠介,
"スペクトラルボリューム法の六面体格子への拡張とNASA-CRM周りの流れ場解析への適用,"
航空宇宙技術, 17, 189-197, (2018). |
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T. Shiroto, S. Kawai, and N. Ohnishi,
"Finite-volume-concept-based Pade-type filters,"
Journal of Computational Physics, 349, 215-219, (2017). |
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H. Aono, S. Kawai, T. Nonomura, M. Sato, K. Fujii, and K. Okada,
"Plasma-actuator burst-mode frequency effects on leading-edge flow-separation control at Reynolds number 2.6x10^5,"
AIAA Journal, 55 (11), 3789-3806, (2017). |
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A. Yakeno, Y. Abe, S. Kawai, T. Nonomura, and K. Fujii,
"Spanwise modulation effects of local body force on downstream turbulence growth around two-dimensional hump,"
International Journal of Heat and Fluid Flow, 63, 108-118, (2017). |
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M. Sato, K. Asada, T. Nonomura, S. Kawai, and K. Fujii,
"Large-eddy simulation of NACA0015-airfoil flow at Reynolds number of 1.6x106,"
AIAA Journal, 55 (2), 673-679, (2017). |
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J. Larsson, S. Kawai, J. Bodart, and I. Bermejo-Moreno,
"Large eddy simulation with modeled wall-stress: recent progress and future directions,"
Mechanical Engineering Reviews, 3 (1), 15-00418, (2016). 日本機械学会学術誌(英文) 2019年度(2019.04-2020.03)アクセス数1位 日本機械学会学術誌(英文) 2018年度(2018.04-2019.03)アクセス数1位 日本機械学会学術誌(英文) 年間(2017.10-2018.09)アクセス数1位 |
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S. Kawai, H. Terashima, and H. Negishi,
"A robust and accurate numerical method for transcritical turbulent flows at supercritical pressure with an arbitrary equation of state,"
Journal of Computational Physics, 300, 116-135, (2015). |
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A. Yakeno, S. Kawai, T. Nonomura, and K. Fujii,
"Separation control based on turbulence transition around a two-dimensional hump at different Reynolds numbers,"
International Journal of Heat and Fluid Flow, 55, 52-64, (2015). |
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D. Lee, S. Kawai, T. Nonomura, M. Anyoji, H. Aono, A. Oyama, K. Asai, and K. Fujii,
"Mechanisms of surface pressure distribution within a laminar separation bubble at different Reynolds numbers,"
Physics of Fluids, 27 (2), 023602, (2015). |
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S. Kawai,
"Divergence-free-preserving high-order schemes for magnetohydrodynamics: An artificial magnetic resistivity method,"
Journal of Computational Physics, 251, 292-318, (2013). |
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B. Morgan, K. Duraisamy, N. Nguyen, S. Kawai, and S. K. Lele,
"Flow physics and RANS modeling of oblique shock / turbulent boundary layer interaction,"
Journal of Fluid Mechanics, 729, 231-284, (2013). |
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S. Kawai and J. Larsson,
"Dynamic non-equilibrium wall-modeling for large eddy simulation at high Reynolds numbers,"
Physics of Fluids, 25 (1), 015105, (2013). 日本流体力学会 竜門賞 受賞論文 Ranked in Top 20 Most Read Articles (Jan. 2013) in Phys. Fluids |
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S. Kawai and K. Asada,
"Wall-modeled large-eddy simulation of high Reynolds number flow around an airfoil near stall condition,"
Computers & Fluids, 85, 105-113, (2013). |
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H. Terashima, S. Kawai, and M. Koshi,
"Consistent numerical diffusion terms for simulating compressible multicomponent flows,"
Computers & Fluids, 88, 484-495, (2013). |
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T. Ishida, S. Kawai, and K. Nakahashi,
"Gridless boundary treatment for viscous flow computations using Cartesian grid method,"
Journal of Computational Science and Technology, 7 (1), 38-58, (2013). |
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S. Kawai and J. Larsson,
"Wall-modeling in large eddy simulation: length scales, grid resolution and accuracy,"
Physics of Fluids, 24 (1), 015105, (2012). 日本流体力学会 竜門賞 受賞論文 Ranked in the Most Read Articles in 2012 Published in Phys. Fluids Ranked in Top 20 Most Read Articles (Feb. 2012, Feb. & Mar. 2013) in Phys. Fluids |
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| S. Kawai and H. Terashima, "A high-resolution scheme for compressible multicomponent flows with shock waves," International Journal for Numerical Methods in Fluids, 66 (10), 1207-1225, (2011). | |
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S. K. Shankar, S. Kawai, and S. K. Lele,
"Two-dimensional viscous flow simulation of a shock accelerated heavy gas cylinder,"
Physics of Fluids, 23 (2), 024102, (2011). Ranked in Top 20 Most Read Articles (Apr. 2011) in Phys. Fluids |
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| B. Morgan, J. Larsson, S. Kawai, and S. K. Lele, "Improving low-frequency characteristics of recycling/rescaling inflow turbulence generation," AIAA Journal, 49 (3), 582-597, (2011). | |
| H. Terashima, S. Kawai, and N. Yamanishi, "A high-resolution numerical method for supercritical flows with large density variations," AIAA Journal, 49 (12), 2658-2672, (2011). | |
| S. Kawai and S. K. Lele, "Large-eddy simulation of jet mixing in supersonic crossflows," AIAA Journal, 48 (9), 2063-2083, (2010). | |
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S. Kawai, S. K. Shankar, and S. K. Lele,
"Assessment of localized artificial diffusivity scheme for large-eddy simulation of compressible turbulent flows,"
Journal of Computational Physics, 229 (5), 1739-1762, (2010). Ranked in Most Cited Journal of Computational Physics Articles (published since 2010) Ranked in Top 25 Hottest Articles in 2009-2010 Academic Year in J. Comput. Phys. Ranked in Top 25 Hottest Articles (Jan. to Mar. 2010) in J. Comput. Phys. |
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S. Kawai and S. K. Lele,
"Localized artificial diffusivity scheme for discontinuity capturing on curvilinear meshes,"
Journal of Computational Physics, 227 (22), 9498-9526, (2008). Ranked in Top 25 Hottest Articles (Oct. to Dec. 2008) in J. Comput. Phys. |
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| S. Kawai and K. Fujii, " Compact scheme with filtering for large-eddy simulation of transitional boundary layer," AIAA Journal, 46 (3), 690-700, (2008). | |
| S. Kawai and K. Fujii, "Time-series and time-averaged characteristics of subsonic to supersonic base flows," AIAA Journal, 45 (1), 289-301, (2007). | |
| S. Kawai and K. Fujii, "Computational study of a supersonic base flow using hybrid turbulence methodology," AIAA Journal, 43 (6), 1265-1275, (2005). | |
| S. Kawai and K. Fujii, "Analysis and prediction of thin-airfoil stall phenomena with hybrid turbulence methodology," AIAA Journal, 43 (5), 953-961, (2005). | |
| S. Kawai and T. Fujiwara, "Numerical analysis of first and second cycles of oxyhydrogen pulse detonation engine," AIAA Journal, 41 (10), 2013-2019, (2003). |
Selected Other Publications
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河合宗司,
"高度な計算科学とデータ駆動科学の融合による航空機デジタルフライトで機体開発DXを促進,"
計算工学ナビ, 25, 2-3, (2023). |
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河合宗司,
"安定性と非散逸性を両立する圧縮性流体計算スキームと航空機全機LES解析,"
計算工学, 28 (3), 4643-4647, (2023). |
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河合宗司,
"安定・高忠実なKEEPスキームで実現する航空機開発の新たなイノベーション,"
計算工学ナビ, 23, 2-3, (2022). |
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河合宗司,
"圧縮性流体LES基盤ソルバーFFVHC-ACE,"
計算工学ナビ, 23, 6, (2022). |
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石本健太，稲澤歩，大西領，河合宗司，菊川豪太，河内俊憲，小紫誠子，酒井雅晴，杉本憲彦，鈴木博貴，平邦彦，玉野真司，長谷川洋介,
"ビジョン「Fluid Mechanics 2030」〜力学を基盤とするハブ学会〜,"
ながれ, 40, 434-448, (2021). |
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河合宗司,
"航空工学における高忠実・大規模LESデータの可視化,"
可視化情報学会誌, 41, 87-88, (2021). |
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河合宗司,
"最新の圧縮性LES研究と｢富岳｣で航空機開発に第二のイノベーションを,"
計算工学ナビ, 20, 6, (2021). |
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河合宗司,
"実飛行レイノルズ数・航空機全機LES解析に向けて,"
計算工学, 26 (1), 4195-4199, (2021). |
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河合宗司,
"超臨界圧下における擬沸騰を伴う乱流境界層現象と乱流モデリング,"
ながれ, 38, 186-194, (2019). |
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松尾裕一，阿部浩幸，河合宗司,
"実フライトレイノルズ数の空気力学に関する科学工学研究の側面,"
日本航空宇宙学会誌, 67, 304-309, (2019). |
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今村太郎，河合宗司,
"航空機実高レイノルズ数流れに対するCFDの挑戦,"
日本航空宇宙学会誌, 64, 120-126, (2019). |
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河合宗司,
"圧縮性流体のLarge-eddy simulationと航空宇宙分野への展望,"
ながれ, 37, 481-486, (2018). |
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河合宗司,
"高レイノルズ数流れにおけるLarge-eddy simulationの壁面モデルに関する研究 (竜門賞受賞記念解説),"
ながれ, 35, 207-211, (2016). |
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河合宗司,
"流れのシミュレーション科学,"
ISASニュース: 宇宙科学の最前線, 395, 1-3, (2014). |
