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Annual Review of Fluid Mechanics最新文献

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Hydrodynamics, Sensing, and Control in Schooling Fish 鱼群的流体动力学、传感与控制
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-10-12 DOI: 10.1146/annurev-fluid-112823-105113
Eva Kanso
{"title":"Hydrodynamics, Sensing, and Control in Schooling Fish","authors":"Eva Kanso","doi":"10.1146/annurev-fluid-112823-105113","DOIUrl":"https://doi.org/10.1146/annurev-fluid-112823-105113","url":null,"abstract":"Fish schools are among the most spectacular examples of collective behavior in nature. Individual fish coordinate their motion with neighbors primarily through vision and flow sensing. Each fish generates flow disturbances that can influence the motion and energetics of nearby swimmers. Yet fundamental questions remain unresolved: To what extent can schooling be explained by passive hydrodynamic interactions, and where are individual-level sensing and control required to maintain group cohesion? This review examines collective swimming through the lens of fluid mechanics. By synthesizing experimental, theoretical, and computational studies spanning pairs of fish to large schools, I discuss how hydrodynamic interactions affect coordination, stability, and energetic cost. Flow interactions can yield robust pairwise coordination and locomotor benefits, but they can also drive collective instabilities and unequal benefit distributions in larger groups. These findings point to a fundamental interplay between hydrodynamics and sensory–motor feedback in the formation and maintenance of fish schools. More broadly, they suggest that hydrodynamics shapes collective swimming not only through energetic costs and benefits but also through the physical constraints it imposes on coordination, stability, and information flow within groups.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"84 10 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149208479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Keith Julien (1965–2024) 基思·朱利安（1965-2024）
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-10-07 DOI: 10.1146/annurev-fluid-120624-125400
Jonathan M. Aurnou, Michael A. Calkins, Gregory P. Chini, Ian Grooms, Edgar Knobloch, Steven M. Tobias
{"title":"Keith Julien (1965–2024)","authors":"Jonathan M. Aurnou, Michael A. Calkins, Gregory P. Chini, Ian Grooms, Edgar Knobloch, Steven M. Tobias","doi":"10.1146/annurev-fluid-120624-125400","DOIUrl":"https://doi.org/10.1146/annurev-fluid-120624-125400","url":null,"abstract":"Keith Julien (June 12, 1965–April 14, 2024) was an applied mathematician who was widely regarded as the preeminent theoretical modeler of rotating convective turbulence, particularly as applied to planets and stars. His work spanned a wide range of fields, including asymptotic methods, advanced computation, geophysical and astrophysical fluid dynamics, and magnetohydrodynamics. Sociable, brilliant, and always humble, he was a sought-after collaborator and was skilled at coalescing groups, whether to develop new scientific frameworks, drink coffee, or play football (soccer). His pioneering work in multiscale asymptotics and computational physics led to numerous breakthroughs in our understanding of fluid dynamics across a broad range of natural settings. In this memoriam, we discuss Keith's life, the methods he developed, and the scientific and personal legacy he leaves behind.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"34 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149208481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Fluid Mechanics of Stroke 中风的流体力学
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-10-07 DOI: 10.1146/annurev-fluid-120624-010340
Debanjan Mukherjee,Noelia Grande Gutiérrez
{"title":"The Fluid Mechanics of Stroke","authors":"Debanjan Mukherjee,Noelia Grande Gutiérrez","doi":"10.1146/annurev-fluid-120624-010340","DOIUrl":"https://doi.org/10.1146/annurev-fluid-120624-010340","url":null,"abstract":"Stroke remains a leading global cause of death and disability, originating from disruption of blood supply to brain tissue either from blockage or rupture of a blood vessel in the brain. Understandably, fluid mechanics plays a critical role in stroke mechanisms, disease manifestation, and stroke treatment modalities. Yet investigations of the fluid mechanics of stroke have remained challenging, and many key aspects remain poorly understood, owing partly to the underlying complexity of multiscale flow phenomena in the brain that govern stroke. Here, we present a state-of-the-art exploration of fluid mechanics underlying cerebrovascular flow, the mechanisms of ischemic and hemorrhagic strokes, and their respective treatment modalities. Our review spans experimental, computational, and imaging-based methods to probe fluid mechanics phenomena in stroke. We specifically focus on linking fluid mechanics concepts to clinical and imaging factors, and we highlight the challenges and opportunities that fluid mechanics holds in enabling impactful new discoveries to improve stroke diagnosis, treatment, and patient care.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"13 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149150811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ocean Energy Pathways: A Multiscale Perspective 海洋能源途径：多尺度视角
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-10-02 DOI: 10.1146/annurev-fluid-112723-054411
Hussein Aluie,Roy Barkan,Stephen M. Griffies,David P. Marshall,Benjamin A. Storer
{"title":"Ocean Energy Pathways: A Multiscale Perspective","authors":"Hussein Aluie,Roy Barkan,Stephen M. Griffies,David P. Marshall,Benjamin A. Storer","doi":"10.1146/annurev-fluid-112723-054411","DOIUrl":"https://doi.org/10.1146/annurev-fluid-112723-054411","url":null,"abstract":"Ocean circulation is maintained by mechanical and thermodynamical fluxes across its boundaries, primarily imposed by winds and buoyancy forcing at large scales, yet its kinetic energy (KE) is distributed across a vast range of scales and depths. This review synthesizes current understanding of these multiscale pathways from an ocean physics perspective, emphasizing recent progress enabled by scale-aware diagnostics. We summarize global KE spectra, highlighting prominent mesoscale and gyrescale peaks, and a pronounced spectral gap separating them, with implications for parameterizations. Framed using a spatially local, scale-dependent KE budget, we discuss wind work; potential energy (PE) generation and baroclinic release; and KE transfer across gyrescale, mesoscale, and submesoscale ranges. We also examine the unresolved problem of mesoscale KE sinks: A significant upscale mesoscale cascade must ultimately be arrested by processes such as wind damping, bottom drag, loss of balance, and/or submesoscale pathways. Emerging research directions include balanced–unbalanced flow decomposition, conversion and cascade of PE, and coupled ocean–atmosphere feedbacks across scales relevant to climate variability.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"25 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149090535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computing Simple Invariant Solutions in Chaotic Fluid Flows 混沌流体流动中简单不变解的计算
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-10-02 DOI: 10.1146/annurev-fluid-112723-061733
Omid Ashtari,Laurette S. Tuckerman,Tobias M. Schneider
{"title":"Computing Simple Invariant Solutions in Chaotic Fluid Flows","authors":"Omid Ashtari,Laurette S. Tuckerman,Tobias M. Schneider","doi":"10.1146/annurev-fluid-112723-061733","DOIUrl":"https://doi.org/10.1146/annurev-fluid-112723-061733","url":null,"abstract":"Invariant solutions of the Navier–Stokes equations, such as fixed points, traveling waves, and periodic orbits, provide a dynamical systems framework for turbulence. Although dynamically unstable, these solutions organize chaotic dynamics and capture coherent structures observed in experiments and simulations. Over the past three decades, substantial progress has been made in computing invariant solutions, initially focusing on isolated fixed points and traveling waves and, more recently, shifting toward libraries of periodic orbits that offer a more complete description of the dynamics. Computing these solutions is challenging because of their instability, the high dimensionality arising from spatial discretization, and the increasing complexity in more turbulent regimes. This review provides an overview of the numerical methods developed to address these challenges. We discuss matrix-free Newton–Krylov approaches, more recent variational methods designed to improve robustness in the computation of unstable periodic orbits, and emerging strategies that combine equation-based algorithms with data-driven techniques to generate improved initial guesses. Together, these developments provide increasingly powerful tools for exploring the dynamical structure of turbulence.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"222 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149090534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamical Low-Rank Matrix and Tensor-Network Methods in Fluid Mechanics 流体力学中的动态低秩矩阵和张量网络方法
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-10-01 DOI: 10.1146/annurev-fluid-112823-115052
Hessam Babaee
{"title":"Dynamical Low-Rank Matrix and Tensor-Network Methods in Fluid Mechanics","authors":"Hessam Babaee","doi":"10.1146/annurev-fluid-112823-115052","DOIUrl":"https://doi.org/10.1146/annurev-fluid-112823-115052","url":null,"abstract":"Fluid flows exhibit correlated structures across space and time. Dynamical low-rank approximation begins by representing the state variable as a matrix or tensor, extracting and exploiting its evolving correlated structure on the fly to construct efficient reduced-order models directly from the governing equations. Tensor-network constructions, originally developed in quantum many-body physics, extend this framework to high-dimensional problems by providing efficient representations that mitigate the curse of dimensionality. These methods have found applications across fluid mechanics, including flow stability analysis, uncertainty quantification, turbulent combustion, and quantum-inspired formulations based on tensor quantics. Complementing these developments, cross-interpolation techniques provide scalable algorithms that compute and evolve only a targeted reduced set of dynamical degrees of freedom, avoiding the construction of full matrices and tensors. This review surveys the mathematical foundations, algorithms, and applications of dynamical low-rank approximation, tensor networks, and cross interpolation in fluid mechanics.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"10 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149092194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physical Insights from Active Grid Turbulence 从主动网格湍流的物理见解
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-09-30 DOI: 10.1146/annurev-fluid-112823-102956
R. Jason Hearst,Michael Hölling,Martin Obligado
{"title":"Physical Insights from Active Grid Turbulence","authors":"R. Jason Hearst,Michael Hölling,Martin Obligado","doi":"10.1146/annurev-fluid-112823-102956","DOIUrl":"https://doi.org/10.1146/annurev-fluid-112823-102956","url":null,"abstract":"Active turbulence grids have reshaped laboratory turbulence research by shifting experiments from passive generation toward controllable forcing. Originally introduced to extend the Reynolds number range of grid-generated turbulence, active grids enable systematic control of turbulence intensity, integral scales, and shear within a single setup. This capability expands the accessible parameter space and reframes the questions that can be addressed experimentally. In canonical flows, active grids permit high–Reynolds number investigations of turbulence scalings and controlled studies of turbulence interacting with walls and free shear flows. In multiphase and Lagrangian systems, they provide well-characterized conditions to probe clustering, settling, and interfacial transfer at previously unattainable Reynolds numbers. In engineering contexts, they enable reproducible coherent inflow structures, e.g., gusts. Together, these advances have expanded the experimental parameter space and changed how universality, forcing, and flow development are investigated in turbulent flows.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"67 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149090546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computational Modeling of Multiphase Flows in Cryogenic Carbon Capture by Desublimation 低温脱升华碳捕集多相流的计算模型
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-09-11 DOI: 10.1146/annurev-fluid-120624-123207
Francisco E. Hernández-Pérez, Hong G. Im
{"title":"Computational Modeling of Multiphase Flows in Cryogenic Carbon Capture by Desublimation","authors":"Francisco E. Hernández-Pérez, Hong G. Im","doi":"10.1146/annurev-fluid-120624-123207","DOIUrl":"https://doi.org/10.1146/annurev-fluid-120624-123207","url":null,"abstract":"Cryogenic carbon capture (CCC) by CO <jats:sub>2</jats:sub> desublimation offers high-purity separation without chemical solvents, but its industrial deployment requires accurate computational models encompassing a wide range of coupled multiphysics phenomena. This article reviews the state of the art in computational modeling of multiphase flows in CCC, covering four complementary frameworks: 1D macroscopic models, Eulerian–Lagrangian and Eulerian–Eulerian computational fluid dynamics approaches, pore-scale lattice Boltzmann simulations, and molecular dynamics studies of nucleation and crystal growth. Together, these span roughly nine orders of magnitude in spatial scale. The physical foundations of CO <jats:sub>2</jats:sub> desublimation—phase equilibria, nucleation kinetics, heat and mass transfer, and frost morphology—are discussed alongside a critical assessment of each framework. Key open challenges include bridging the molecular-to-device-scale modeling gap, addressing cryogenic thermophysical data deficiencies, resolving turbulence–phase-change coupling, and developing reduced-order models for real-time process control.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"3 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148958010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fluid Dynamics of Sandstorms 沙尘暴的流体动力学
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-08-18 DOI: 10.1146/annurev-fluid-120624-113530
Xiaojing Zheng, Hongyou Liu
{"title":"Fluid Dynamics of Sandstorms","authors":"Xiaojing Zheng, Hongyou Liu","doi":"10.1146/annurev-fluid-120624-113530","DOIUrl":"https://doi.org/10.1146/annurev-fluid-120624-113530","url":null,"abstract":"Sandstorms are extreme, uncontrollable natural phenomena that pose significant hazards. Accurate forecasting, which is key to hazard mitigation, depends on a deep understanding of their formation and evolution. The complexity of sandstorm dynamics arises from the coexistence of and competition between thermal and shear turbulence; the interactions among the wind, dust, temperature, and electric fields; the spatiotemporal multiscale nature of turbulence and sand movement; and the multiple processes of heat/mass transfer, electrification, and collision—each responding differently throughout the nonstationary and nonequilibrium evolution of sandstorms. These complexities present important case studies and new challenges for contemporary turbulence research. Based on a critical review, this article summarizes recent advances in the turbulent characteristics of various physical fields in sandstorms, their dominant factors and origins, and improvements in sandstorm forecasting. From the perspective of sandstorm fluid dynamics, issues for future research are proposed, including full-scale field measurements, controlled experiments, and numerical modeling.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"267 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148957998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Physics of Flowing Dense Emulsions 流动致密乳剂的物理学
IF 27.7 1区 工程技术
Annual Review of Fluid Mechanics Pub Date : 2026-08-04 DOI: 10.1146/annurev-fluid-120624-123539
Chao Sun, Federico Toschi
{"title":"The Physics of Flowing Dense Emulsions","authors":"Chao Sun, Federico Toschi","doi":"10.1146/annurev-fluid-120624-123539","DOIUrl":"https://doi.org/10.1146/annurev-fluid-120624-123539","url":null,"abstract":"Emulsions, mixtures of liquid droplets dispersed in another immiscible liquid, are fascinating physical systems that exhibit rheological behavior intermediate between that of liquids and solids. Dense emulsions typically require surfactants or other stabilizing agents to prevent coalescence between contacting droplets. While the macroscopic properties of emulsions are influenced by a wide range of chemical and physical processes, this review focuses specifically on hydrodynamic effects and on the dynamics of droplet coalescence and breakup, which are central to the flow behavior of dense emulsions. We discuss three key aspects: flow-driven emulsification and the droplet size distribution; the flow and rheology of emulsions, from dilute to concentrated regimes; and the mechanisms governing the destabilization of concentrated emulsions under flow, including shear-induced coalescence and microstructural transitions.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"59 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148675351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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