研究業績（2018年以降）

｜査読付き学術論文

  • N. Sakamoto, K. Ito, S. Ii, D.E. Conway, J. Nagatomi, A homeostatic role of nucleus-actin filament coupling in the regulation of cellular traction forces in fibroblasts, Biomech Model Mechanobiol, (2024).
  • S. Yamada, H. Ito, H. Matsumasa, S. Ii, T. Otani, M. Tanikawa, C. Iseki, Y. Watanabe, S. Wada, M. Oshima, M. Mase, Automatic assessment of disproportionately enlarged subarachnoid-space hydrocephalus from 3D MRI using two deep learning models, Front Aging Neurosci, 16 (2024) 1362637.
  • H. Kawano, S. Yamada, Y. Watanabe, S. Ii, T. Otani, H. Ito, K. Okada, C. Iseki, M. Tanikawa, S. Wada, M. Oshima, M. Mase, K. Yoshida, Aging and Sex Differences in Brain Volume and Cerebral Blood Flow, Aging and disease, (2023).
  • T. Otani, N. Nishimura, H. Yamashita, S. Ii, S. Yamada, Y. Watanabe, M. Oshima, S. Wada, Computational modeling of multiscale collateral blood supply in a whole-brain-scale arterial network, PLoS Comput Biol, 19 (2023) e1011452.
  • S. Yamada, H. Ito, H. Matsumasa, M. Tanikawa, S. Ii, T. Otani, S. Wada, M. Oshima, Y. Watanabe, M. Mase, Age-related changes in cerebrospinal fluid dynamics in the pathogenesis of chronic hydrocephalus in adults, World Neurosurgery, 178 (2023) 351-358.
  • S. Yamada, H. Ito, H. Matsumasa, M. Tanikawa, S. Ii, T. Otani, S. Wada, M. Oshima, Y. Watanabe, M. Mase, Tightened Sulci in the High Convexities as a Noteworthy Feature of Idiopathic Normal Pressure Hydrocephalus, World Neurosurgery, 176 (2023) e427-e437.
  • X. Wang, S. Ii, K. Sugiyama, S. Noda, P. Jing, D. Liu, X. Che, X. Gong, Effect of mechanical properties of red blood cells on their equilibrium states in microchannels, Phys Fluids, 35 (2023) 031910.
  • S. Yamada, T. Otani, S. Ii, H. Kawano, K. Nozaki, S. Wada, M. Oshima, Y. Watanabe, Aging-related volume changes in the brain and cerebrospinal fluid using artificial intelligence-automated segmentation, European Radiology, 33 (2023) 7099-7112.
  • S. Yamada, T. Otani, S. Ii, H. Kawano, K. Nozaki, S. Wada, M. Oshima, Y. Watanabe, Usefulness of intravoxel incoherent motion MRI for visualizing slow cerebrospinal fluid motion, Fluids and Barriers of the CNS, 20 (2023) 16.
  • T. Matsuda, K. Tsukui, S. Ii, A particle-based method using the mesh-constrained discrete point approach for two-dimensional Stokes flows, Mech Eng J, 9 (2022) 22-00204.
  • T. Morishita, N. Takeishi, S. Ii, S. Wada, Assessment of cardiac function using the modified ejection fraction as an indicator of myocardial circumferential strain, J Biomech Sci Eng, 17 (2022) 22-00014.
  • D. Oh, S. Ii, S. Takagi, Numerical study of particle margination in a square channel flow with red blood cells, Fluids, 7 (2022) 96.
  • P. Jing, S. Ii, X. Wang, K. Sugiyama, S. Noda, X. Gong, Effects of fluid-cell-vessel interactions on the membrane tensions of circulating tumor cells in capillary blood flows, Phys Fluids, 34 (2022) 031904.
  • K. Matsushita, C. Nakahara, S. Kimura, N. Sakamoto, S. Ii, H. Miyoshi, Intranuclear mesoscale viscoelastic changes during osteoblastic differentiation of human mesenchymal stem cells, The FASEB Journal, 35 (2021) e22071.
  • N. Takeishi, R. Enosaki, T. Shigematsu, S. Ishida, S. Ii, S. Wada, Development of a mesoscopic framework spanning nanoscale protofibril dynamics to macro-scale fibrin clot formation, J R Soc Interface, 18 (2021) 20210554.
  • T. Morishita, N. Takeishi, S. Ii, S. Wada, Myocardial Mechanics under Heart Failure with Preserved Ejection Fraction: effects of left venticular hypertrophy and increased myocardial stiffness, Ann Biomed Eng, 49 (2021) 1670-1687.
  • S. Ii, H. Kitade, S. Ishida, Y. Imai, Y. Watanabe, S. Wada, Multiscale modeling of human cerebrovasculature: a hybrid approach using image-based geometry and a mathematical algorithm, PLoS Comput Biol, 16 (2020) e1007943.
  • N. Takeishi, T. Miki, T. Otani, S. Ii, K. Morita, S. Wada, Fluid dynamic assessment of tracheal flow in infants with congenital tracheal stenosis before and after surgery, Med Biol Eng Comput, 57 (2019) 837-847.
  • K. Koshiyama, K. Nishimoto, S. Ii, T. Sera, S. Wada, Heterogeneous structure and surface tension effects on mechanical response in pulmonary acinus: A finite element analysis, CLIN BIOMECH, 66 (2019) 32-39.
  • S. Ii, K. Shimizu, K. Sugiyama, S. Takagi, Continuum and stochastic approach for cell adhesion process based on Eulerian fluid-capsule coupling with Lagrangian markers, J Comput Phys, 374 (2018) 769-786.
  • S. Ii, M.A.H.M. Adib, Y. Watanabe, S. Wada, Physically consistent data assimilation method based on feedback control for patient-specific blood flow analysis, Int J Numer Method Biomed Eng, 34 (2018) e2910 (20 pages).
  • T. Otani, T. Shindo, S. Ii, M. Hirata, S. Wada, Effect of Local Coil Density on Blood Flow Stagnation in Densely Coiled Cerebral Aneurysms: A Computational Study Using a Cartesian Grid Method, J Biomech Eng, 140 (2018) 041013 (8 pages).

｜学術会議抄録・予稿集（査読あり）

  • S. Ii, K. Ito, N. Takakusaki, N. Sakamoto, Inverse Estimation of 3-D Traction Stress Field of Adhered Cell based on Optimal Control Technique using Image Intensities, Conference Proceedings of the 1st International Conference on Biomechanics and Medical Engineering (ICBME 2019)-Yuan-Cheng Fung 100th Birthday Celebration, ISSN: 1556-5297 (printed), 1556-5300 (online), (2019).
  • H. Kitade, S. Ii, S. Ishida, Y. Imai, S. Wada, Modeling cerebral vasculatures for analysis of the whole cerebral circulation, CMBE2019 proceedings (6th International Conference on Computational and Mathematical Biomedical Engineering), P. Nithiarasu, M. Ohta, M. Oshima (Eds.), 2 (2019) 859-862.
  • K. Koshiyama, K. Nishimoto, S. Ii, S. Wada, MECHANICAL ANALYSIS OF PULMONARY ACINAR INFLATION WITH HETEROGENEOUS ACINAR STRUCTURE MODELS, CMBE2019 proceedings (6th International Conference on Computational and Mathematical Biomedical Engineering), P. Nithiarasu, M. Ohta, M. Oshima (Eds.), 2 (2019) 703-704.

｜著書

  • 和田成生，伊井仁志，大谷智仁，武石直樹，医療に活かす生体医工学（第２章：生体力学シミュレーション），日本生体医工学会（編），平田雅之（編），コロナ社, 2020. （分担執筆）

｜その他

  • 伊井仁志，【特集 オイラー記述による固体 / 構造解析】生体力学解析のための固定格子に基づく連続体数値解法，計算工学、Vol.28 No.1, (2023), pp. 11-15
  • 松田孟大，津久井康介，伊井仁志，【特集：注目研究 in CFD35】大規模並列計算に向けたメッシュレス手法の開発：基礎定式化と二重円筒間Couette流れへの適用，ながれ 第41巻(2022)第2号，65頁，2022年4月
  • 伊井仁志，他（分担執筆），生体医工学ウェブ辞典（第一分冊），生体医工学，Dictionary. 1巻（2022），p. 1-603，https://doi.org/10.11239/jsmbe.Dictionary.1.1
  • 武石直樹，伊井仁志，和田成生，【特集：固液・気液二相流に係る対流物質輸送】血球細胞と対流物質輸送伝熱，58 (2019) 22-29.
  • 伊井仁志，計算バイオメカニクス（３．計算力学），機械工学年鑑2019-機械工学の最新動向-，(2019).
  • 和田成生，伊井仁志，全脳循環シミュレータの開発～脳血管の構造とモデル化～，ポスト「京」重点課題 2個別化・予防医療を支援する統合計算生命科学NEWS LETTER，13，(2019), 2-5.

研究業績（2017年以前）

｜査読付き学術論文

  • N. Koike, S. Ii, T. Yoshinaga, K. Nozaki, S. Wada, Model-based inverse estimation for active contraction stresses of tongue muscles using 3D surface shape in speech production, J Biomech, 64 (2017) 69-76.
  • S. Ii, S. Wada, Direct numerical simulation of expiratory crackles: Relationship between airway closure dynamics and acoustic fluctuations, J Biomech, 50 (2017) 234-239.
  • T. Otani, S. Ii, T. Shigematsu, T. Fujinaka, M. Hirata, T. Ozaki, S. Wada, Computational study for the effects of coil configuration on blood flow characteristics in coil‑embolized cerebral aneurysm, Med Biol Eng Comput, 55 (2017) 697-710.
  • M.A.H.M. Adib, S. Ii, Y. Watanabe, S. Wada, Minimizing the blood velocity differences between phase-contrast magnetic resonance imaging and computational fluid dynamics simulation in cerebral arteries and aneurysms, Med Biol Eng Comput, 55 (2017) 1605-1619.
  • K. Sugiyama, S. Ii, K. Shimizu, S. Noda, S. Takagi, A Full Eulerian Method For Fluid-Structure Interaction Problems, Procedia IUTAM, 20 (2017) 159-166.
  • T. Otani, S. Ii, M. Hirata, S. Wada, Computational Study of the Non-Newtonian Effect of Blood on Flow Stagnation in a Coiled Cerebral Aneurysm, Journal of the Society of Rheology, Japan (日本レオロジー学会誌), 45 (2017) 243-249.
  • 今村拓哉, 伊井仁志, 原口亮, 中沢一雄, 和田成生，等容性収縮期における左心室壁の変形解析：心筋線維の配向性が壁変形に与える影響，生体医工学, 54 (2016) 28-37.
  • 和田成生，G. P. Saputra，杉谷和哉，伊井仁志，土生川千珠，気道における空力音の発生と伝播―流体音響工学からの呼吸音の理解―，日本小児アレルギー学会誌，29 (2015) 58-64.
  • T. Otani, S. Ii, T. Shigematsu, T. Fujinaka, M. Hirata, T. Ozaki, S. Wada, Computational model of coil placement in cerebral aneurysm with using realistic coil properties, J Biomech Sci Eng, 10 (2015) 15-00555 (15 pages).
  • G. P. Saputra, K. Nozaki, S. Ii, S. Wada, Aeroacoustic sound alteration in airway bronchoconstriction, represented by a constricted T-branch model, J Biomech Sci Eng, 10 (2015) 14-00246 (10 pages).
  • B. Xie, S. Ii, F. Xiao, An efficient and accurate algebraic interface capturing method for unstructured grids in 2 and 3 dimensions: The THINC method with quadratic surface representation, Int J Numer Meth Fluid, 76 (2014) 1025-1042.
  • B. Xie, S. Ii, A. Ikebata, F. Xiao, A multi-moment finite volume method for incompressible Navier–Stokes equations on unstructured grids: Volume-average/point-value formulation, J Comput Phys, 277 (2014) 138-162.
  • S. Ii, B. Xie, F. Xiao, An interface capturing method with a continuous function: The THINC method on unstructured triangular and tetrahedral meshes, J Comput Phys, 259 (2014) 260-269.
  • F. Xiao, S. Ii, C. Chen, X. Li, A note on the general multi-moment constrained flux reconstruction formulation for high order schemes, Appl Math Model, 37 (2013) 5092-5108.
  • S. Ii, K. Sugiyama, S. Takagi, Y. Matsumoto, A Computational Blood Flow Analysis in a Capillary Vessel including Multiple Red Blood Cells and Platelets, J Biomech Sci Eng, 7 (2012) 72-83.
  • S. Ii, K. Sugiyama, S. Takeuchi, S. Takagi, Y. Matsumoto, F. Xiao, An interface capturing method with a continuous function: the THINC method with multi-dimensional reconstruction, J Comput Phys, 231 (2012) 2328-2358.
  • S. Ii, X. Gong, K. Sugiyama, J. Wu, H. Huang, S. Takagi, A full Eulerian fluid-membrane coupling method with a smoothed volume-of-fluid approach, Commun Comput Phys, 12 (2012) 544-576.
  • 大山峻幸，伊井仁志，杉山和靖，竹内伸太郎，高木周，松本洋一郎，フロント･トラッキング法を用いた自由界面と剛体壁における単一気泡の反発現象の解析，日本混相流学会誌，26 (2012) 60-67．
  • S. Takagi, K. Sugiyama, S. Ii, Y. Matsumoto, A Review of Full Eulerian Methods for Fluid Structure Interaction Problems, J Appl Mech, 79 (2011) 010911.
  • F. Xiao, S. Ii, C.G. Chen, Revisit to the THINC scheme: a simple algebraic VOF algorithm, J Comput Phys, 230 (2011) 7086-7092.
  • K. Sugiyama, N. Nagano, S. Takeuchi, S. Ii, S. Takagi, Y. Matsumoto, Particle-in-cell method for fluid-structure interaction simulations of neo-Hookean tube flows, , 59 (2011) 245-256.
  • S. Ii, K. Sugiyama, S. Takeuchi, S. Takagi, Y. Matsumoto, An implicit full Eulerian method for the fluid-structure interaction problem, Int J Numer Meth Fluid, 65 (2011) 150-165.
  • K. Sugiyama, S. Ii, S. Takeuchi, S. Takagi, Y. Matsumoto, A full Eulerian finite difference approach for solving fluid-structure coupling problems, J Comput Phys, 230 (2011) 596-627.
  • N. Nagano, K. Sugiyama, S. Takeuchi, S. Ii, S. Takagi, Y. Matsumoto, Full-Eulerian finite-difference simulation of fluid flow in hyperelastic wavy channel, J Fluid Sci Tech, 5 (2010) 475-490.
  • K. Sugiyama, S. Ii, S. Takeuchi, S. Takagi, Y. Matsumoto, Full Eulerian simulations of biconcave neo-Hookean particles in a Poiseuille flow, Comput Mech, 46 (2010) 147-157.
  • R. Akoh, S. Ii, F. Xiao, A multi-moment finite volume formulation for shallow water equations on unstructured mesh, J Comput Phys, 229 (2010) 4567-4590.
  • S. Ii, F. Xiao, A global shallow water model using high order multi-moment constrained finite volume method and icosahedral grid, J Comput Phys, 229 (2010) 1774-1796.
  • S. Ii, F. Xiao, High order multi-moment constrained finite volume method. Part I: Basic formulation, J Comput Phys, 228 (2009) 3669-3707.
  • R. Akoh, S. Ii, F. Xiao, A CIP/multi-moment finite volume method for shallow water equations with source terms, Int J Numer Meth Fluid, 56 (2008) 2245-2270.
  • 肖鋒，伊井仁志，計算流体力学におけるCIP/Multi-Moment有限体積法，応用数理，18 (2008) 21-31．
  • 赤穂良輔，伊井仁志，肖鋒，三角形非構造格子におけるCIP/Multi-Moment有限体積法による浅水波方程式の数値モデル，Transactions of JSCES, 2008 (2008) 20080013 (7頁).
  • S. Ii, F. Xiao, CIP/multi-moment finite volume method for Euler equations: A semi-Lagrangian characteristic formulation, J Comput Phys, 222 (2007) 849-871.
  • F. Xiao, R. Akoh, S. Ii, Unified formulation for compressible and incompressible flows by using multi-integrated moments II: Multi-dimensional version for compressible and incompressible flows, J Comput Phys, 213 (2006) 31-56.
  • S. Ii, M. Shimuta, F. Xiao, A 4th-order and single-cell-based advection scheme on unstructured grids using multi-moments, Comput Phys Commun, 173 (2005) 17-33.

｜学術会議抄録・予稿集（査読あり）

  • M.A.H.M. Adib, S. Ii, Y. Watanabe, S. Wada, Patient-specific blood flows simulation on cerebral aneurysm based on physically consistency feedback control, 2016 IEEE 16th International Conference on Bioinformatics and Bioengineering (BIBE), (2016) 334-337.
  • T. Otani, S. Ii, T. Shigematsu, T. Fujinaka, M. Hirata, T. Ozaki, S. Wada, A Computational Approach for Blood Flow Analysis in the Densely Coiled Cerebral Aneurysm, 2016 IEEE 16th International Conference on Bioinformatics and Bioengineering (BIBE), (2016) 332-345.

｜著書

  • S. Takagi, K. Sugiyama, S. Ii, Blood Flow, E. Michaelides, C.T. Crowe, J.D. Schwarzkopf (Eds), Multiphase Flow Handbook, Second Edition, CRC Press, Boca Raton, FL, (2016) 937-947. （分担執筆）
  • S. Ii, K. Sugiyama, S. Takagi, Y. Matsumoto, A Full-Eulerian Approach for the Fluid–Structure Interaction Problem, R. Lima, Y. Imai, T. Ishikawa, M.S.N. Oliveira (Eds), Visualization and Simulation of Complex Flows in Biomedical Engineering, Lecture Notes in Computational Vision and Biomechanics, Springer Netherlands, 12 (2014) 47-74. （分担執筆）
  • 肖鋒，伊井仁志，小野寺直幸, 計算流体力学-CIPマルチモーメント法による手法CD-ROM付-, コロナ社, 2009. （共著）

｜その他

  • 伊井仁志，オイラー型連成解析手法の紹介とバイオメカニクス問題への発展，JACM Mail Magazine, 28 (2015) 7-8.
  • 伊井仁志，血栓シミュレーションに向けた血流解析手法の開発，BioSupercomputing Newsletter, 5 (2011) 9.