By Professor Ryan T. Armstrong

Book Chapters

McClure JE; Yin J; Armstrong RT; Maheshwari KC; Wilkinson S; Vlcek L; Da Wang Y; Berrill MA; Rivers M, 2021, 'Toward real-time analysis of synchrotron micro-tomography data: Accelerating experimental workflows with AI and HPC', in Driving Scientific and Engineering Discoveries Through the Convergence of HPC, Big Data and AI, pp. 226 - 239, http://dx.doi.org/10.1007/978-3-030-63393-6_15

Journal articles

Armstrong RT; Tavakkoli O; Da Wang Y; Li Z; Mostaghimi P; Berg S; Ramstad T; Rücker M; McClure J, 2026, 'Lattice-Boltzmann for Porous Media: 100M+ GPU Hours', Scientific Data, 13, http://dx.doi.org/10.1038/s41597-026-06823-1

Mathew ES; Camilleri M; Zheng Q; Niu Y; Brandstätter B; Tang K; Ebadi M; Mostaghimi P; Armstrong RT; Jackson S, 2026, 'Geometric, topological and petrophysical measurements of hysteresis in water-wet and mixed-wet Bentheimer sandstones', Advances in Water Resources, 217, http://dx.doi.org/10.1016/j.advwatres.2026.105471

Yuan M; Li SC; Jing Y; Armstrong RT; Mostaghimi P, 2026, 'Simulation of underground hydrogen storage in depleted coalbed methane reservoirs: storage capacity versus extraction purity trade-offs', Tunnelling and Underground Space Technology, 177, http://dx.doi.org/10.1016/j.tust.2026.107924

Meyer Q; Wang YD; Niblett D; Bin Mamtaz MR; Akbar M; Nie Y; Liu S; Lee J; Boillat P; Tang K; Tung P; Mostaghimi P; Armstrong RT; Zhao C, 2026, 'Lateral bypass flow fields for high-performance flood-free hydrogen fuel cells', Applied Catalysis B Environmental, 393, http://dx.doi.org/10.1016/j.apcatb.2026.126713

Dheyauldeen A; Wang YD; Tang K; Armstrong RT; Mostaghimi P, 2026, 'A scalable framework for synthesizing conditional porous media images using diffusion and GAN models', Advances in Water Resources, 215, http://dx.doi.org/10.1016/j.advwatres.2026.105328

Tang K; Da Wang Y; Regaieg M; Borisochev G; Jolivet I; Armstrong RT; Mostaghimi P, 2026, 'From surface to volume: Deep learning-driven 3-dimensional realization of large 2-dimensional images for energy materials', Engineering Applications of Artificial Intelligence, 179, http://dx.doi.org/10.1016/j.engappai.2026.115114

Xi W; Armstrong RT; Jing Y; Tang K; Regenauer-Lieb K; Evangelista L; Hosseini M; Spicer PT; Mostaghimi P, 2026, 'Application of an enzyme-based surfactant to enhance coal relative permeability', International Journal of Coal Geology, 324, http://dx.doi.org/10.1016/j.coal.2026.105058

Kang N; Zou S; Tao H; Jiang Y; Guo Z; Li S; Armstrong R; Hu X, 2026, 'Pore-Scale Flow Dynamics Control Capillary Pressure-Saturation-Interfacial Area Relations in Multiphase Porous Media', Water Resources Research, 62, http://dx.doi.org/10.1029/2026WR043632

Tavakkoli O; Bedeaux D; Kjelstrup S; Berg S; Moura M; Da Wang Y; Mostaghimi P; Armstrong RT, 2026, 'Emergence of Darcy's law and apparent violation of Onsager symmetry in multiphase transport', Physical Review E, 114, http://dx.doi.org/10.1103/79nz-zp2f

Wang S; Tavakkoli O; Regaieg M; Sachs C; Aymé-Perrot D; Girault H; Meyer Q; Da Wang Y; Armstrong RT; Zhao C; Mostaghimi P, 2026, '3D imaging-informed electrode engineering for water splitting', Energy and Environmental Science, 19, pp. 2910 - 2921, http://dx.doi.org/10.1039/d6ee00290k

Berg S; Armstrong RT; Rücker M; Hansen A; Kjelstrup S; Bedeaux D, 2026, 'From interface dynamics to Darcy scale description of multiphase flow in porous media', Advances in Colloid and Interface Science, 351, http://dx.doi.org/10.1016/j.cis.2026.103791

Wang T; Tang K; Wang YD; Shapoval A; Mostaghimi P; Armstrong RT, 2026, 'Pore-Scale Exploration of Wettability Impact on Fluid Flow: Micro-CT Imaging and Relative Permeability Analysis in a Sandstone Core', SPE Journal, 31, pp. 2711 - 2722, http://dx.doi.org/10.2118/232779-PA

Li J; Black E; Miller C; Tang K; Mostaghimi P; Feitz A; Waite TD; Armstrong RT, 2026, 'Multi-modal characterization of ultramafic rock: Precursors relevant to serpentinization and hydrogen generation', Geoscience Frontiers, 17, http://dx.doi.org/10.1016/j.gsf.2025.102220

Ebadi M; Meisenheimer D; Wildenschild D; McClure J; Mostaghimi P; Armstrong RT, 2026, 'Topological evolution: An unexplored aspect of hysteresis for multiphase flow in porous media', Physics of Fluids, 38, http://dx.doi.org/10.1063/5.0310578

Zheng Q; Tang K; Wang YD; Jackson SJ; Poulet T; Armstrong R; Mostaghimi P, 2026, 'Utilising micro-CT to analyse fluid dynamics in dual-porosity packing systems', Hydrometallurgy, 240, http://dx.doi.org/10.1016/j.hydromet.2025.106606

Dheyauldeen A; Wang YD; Tang K; Armstrong RT; Mostaghimi P, 2026, '3D porous media image synthesis using conditional GAN', Computers and Geosciences, 206, http://dx.doi.org/10.1016/j.cageo.2025.106016

Adila A; Ebadi M; Xi W; Qi X; Jing Y; Mostaghimi P; Armstrong RT, 2026, 'Comparison of relative permeability hysteresis in oil-brine and gas-brine systems: A pore-scale investigation', International Journal of Multiphase Flow, 194, http://dx.doi.org/10.1016/j.ijmultiphaseflow.2025.105483

Moura M; Bedeaux D; Armstrong RT; Kjelstrup S, 2025, 'Fluctuation–dissipation theorems in porous media two-phase flow: statistical characterisation of saturation fluctuations and measurement of Onsager coefficients', Journal of Fluid Mechanics, 1026, http://dx.doi.org/10.1017/jfm.2025.10987

Tang K; Armstrong RT; Mostaghimi P; Niu Y; Meyer Q; Zhao C; Finegan DP; Popeil M; Singh K; Menke H; Dimou AP; Bultreys T; Mascini A; Knackstedt M; Da Wang Y, 2025, 'Scaling deep learning for material imaging with a pseudo 3D model for domain transfer', Nature Communications, 16, http://dx.doi.org/10.1038/s41467-025-66449-6

Jing Y; Armstrong RT; Yuan M; Lanetc Z; Holt P; Kumaran AU; Mostaghimi P; Zhang Y; Zhang X, 2025, 'Study of multicomponent sorptive gas flow in fractured porous media using in-situ synchrotron X-ray imaging technology', Carbon Neutrality, 4, http://dx.doi.org/10.1007/s43979-025-00152-9

Adila A; Aboushanab M; Raza A; Mahmoud M; Iglauer S; Armstrong RT; Arif M, 2025, 'Wettability of hydrogen-rock-brine systems: Parametric analysis and knowledge gaps', Fuel, 401, http://dx.doi.org/10.1016/j.fuel.2025.135821

Xi W; Tang K; Wang YD; Jing Y; Esterle J; Regenauer-Lieb K; Evangelista L; Armstrong RT; Mostaghimi P, 2025, 'Enhancing coal seam gas recovery through greenzyme-induced relative permeability optimisation: Helium-driven core flooding experiments and field-scale production simulations', International Journal of Coal Geology, 310, http://dx.doi.org/10.1016/j.coal.2025.104866

Ebadi M; Mostaghimi P; Armstrong RT, 2025, 'Linking Scales in Multiphase Flow: A Framework Incorporating Data-Driven Methods for Predicting Relative Permeability', Water Resources Research, 61, http://dx.doi.org/10.1029/2025WR040130

Mathew ES; Jackson SJ; Wildenschild D; Mostaghimi P; Tang K; Armstrong RT, 2025, 'Deep learning assisted denoising of fast polychromatic X-ray micro-CT imaging of multiphase flow in porous media', Computers and Geosciences, 204, http://dx.doi.org/10.1016/j.cageo.2025.105990

Tavakkoli O; Wang YD; Mostaghimi P; Armstrong RT, 2025, 'A pore morphology-based initializer to accelerate lattice Boltzmann simulations of capillary-dominated flow with variable wettability', Physics of Fluids, 37, http://dx.doi.org/10.1063/5.0285656

Tang K; Da Wang Y; Regaieg M; Benoual I; Armstrong RT; Mostaghimi P, 2025, 'Unlocking Sub-Micrometer Features in Carbonate Rocks: A Cascading Super-Resolution Approach for Multiscale Multi-Instrument Carbonate Characterization', Water Resources Research, 61, http://dx.doi.org/10.1029/2025WR040865

Tang K; Su H; Bo Z; Da Wang Y; Mostaghimi P; Armstrong RT, 2025, 'Revealing Transport, Dissolution, and Precipitation Behaviors in Electrokinetic-Geochemical Reaction System at Pore-to-Core Scales', Water Resources Research, 61, http://dx.doi.org/10.1029/2024WR039414

Tang K; Wang YD; Mostaghimi P; Niu Y; Armstrong RT; Zhang Y; Deakin L; Knuefing L; Knackstedt M, 2025, 'Bridging micro-to-nano scales for metal ore characterization via one-shot super-resolution', Minerals Engineering, 225, http://dx.doi.org/10.1016/j.mineng.2025.109219

Tang K; Niu Y; Da Wang Y; Robins V; Mostaghimi P; Lindsay M; Armstrong RT, 2025, 'TopoRSNet: A Unique Approach to Maintaining Topological Features for Digital Rock Image Rescaling With Minimal Quality Degradation', Journal of Geophysical Research Machine Learning and Computation, 2, http://dx.doi.org/10.1029/2024JH000557

Kang N; Zou S; Chen D; Tao H; Li H; Guo Z; Xie C; Armstrong R; Hu X, 2025, 'Insights Into Interfacial Dynamic and Displacement Patterns During Immiscible Two-Phase Porous Media Flow Under Controlled Viscosity and Wettability Conditions', Journal of Geophysical Research Solid Earth, 130, http://dx.doi.org/10.1029/2024JB030989

Tavakkoli O; Ebadi M; Da Wang Y; Mostaghimi P; Armstrong RT, 2025, 'Assessment of wetting conditions in quasistatic drainage modeling using a pore morphology method and J-function wettability estimator', International Journal of Multiphase Flow, 183, http://dx.doi.org/10.1016/j.ijmultiphaseflow.2024.105067

McClure JE; Fan M; Berg S; Armstrong RT; Berg CF; Li Z; Ramstad T, 2025, 'Derivation of A Representative Elementary Volume (REV) for Upscaled Two-Phase Flow in Porous Media', Petrophysics – The SPWLA Journal of Formation Evaluation and Reservoir Description, 66, pp. 68 - 79, http://dx.doi.org/10.30632/pjv66n1-2025a5

Cai YW; Qiu KF; Petrelli M; Hou ZL; Santosh M; Yu HC; Armstrong RT; Deng J, 2024, 'The application of "transfer learning" in optical microscopy: The petrographic classification of opaque minerals', American Mineralogist, 109, pp. 2060 - 2072, http://dx.doi.org/10.2138/am-2023-9092

Xi W; Kumaran AU; Gholami YH; Armstrong RT; Jing Y; Esterle J; Lieband KR; Mostaghimi P, 2024, 'Gas-water flow in fractured coal revealed by multimodal imaging', International Journal of Coal Geology, 293, http://dx.doi.org/10.1016/j.coal.2024.104586

Wang T; Da Wang Y; Sun C; McClure JE; Mostaghimi P; Armstrong RT, 2024, 'Surface wetting characterization in pore-scale multiphase flow simulations: A Ketton carbonate case study', Geoenergy Science and Engineering, 240, http://dx.doi.org/10.1016/j.geoen.2024.212933

Alzubaidi F; McClure JE; Pedersen H; Hansen A; Berg CF; Mostaghimi P; Armstrong RT, 2024, 'The Impact of Wettability on the Co-moving Velocity of Two-Fluid Flow in Porous Media', Transport in Porous Media, 151, pp. 1967 - 1982, http://dx.doi.org/10.1007/s11242-024-02102-y

Tang K; Bo Z; Li Z; Da Wang Y; McClure J; Su H; Mostaghimi P; Armstrong RT, 2024, 'Controlled ion transport in the subsurface: A coupled advection-diffusion-electromigration system', Physics of Fluids, 36, http://dx.doi.org/10.1063/5.0213161

Wang T; McClure JE; Da Wang Y; Berg S; Chen C; Mostaghimi P; Armstrong RT, 2024, 'Time-And-Space Averaging Applied to Intermittent Multiphase Flow Experiments', Water Resources Research, 60, http://dx.doi.org/10.1029/2023WR036577

Shokri N; Armstrong RT; Bijeljic B; Van Genuchten MT; Helmig R; Huber P; Kjelstrup S; Or D; Shahidzadeh N; Sun S; Wildenschild D, 2024, 'INTERPORE JOURNAL GOES ONLINE', Interpore Journal, 1, http://dx.doi.org/10.69631/ipj.v1i1nr27

Wang YD; Kearney LM; Blunt MJ; Sun C; Tang K; Mostaghimi P; Armstrong RT, 2024, 'In situ characterization of heterogeneous surface wetting in porous materials', Advances in Colloid and Interface Science, 326, http://dx.doi.org/10.1016/j.cis.2024.103122

Zou S; Chen D; Kang N; Xie C; Armstrong RT; Cai J, 2024, 'An Experimental Investigation on the Energy Signature Associated With Multiphase Flow in Porous Media Displacement Regimes', Water Resources Research, 60, http://dx.doi.org/10.1029/2023WR036241

Ebadi M; McClure J; Mostaghimi P; Armstrong RT, 2024, 'Bridging the gap: Connecting pore-scale and continuum-scale simulations for immiscible multiphase flow in porous media', Physics of Fluids, 36, http://dx.doi.org/10.1063/5.0186990

Alfazazi U; Bedeaux D; Kjelstrup S; Moura M; Ebadi M; Mostaghimi P; McClure JE; Armstrong RT, 2024, 'Interpreting pore-scale fluctuations: Predicting transport coefficients in multiphase flow through porous media using the Green-Kubo formulation—An experimental investigation', Physics of Fluids, 36, http://dx.doi.org/10.1063/5.0185605

Yuan M; Jing Y; Si G; Armstrong RT; Mostaghimi P, 2024, 'Application of image-based diffusion coefficients in multi-scale simulation of coalbed methane reservoirs', Fuel, 357, http://dx.doi.org/10.1016/j.fuel.2023.129602

Jing Y; Uthaia Kumaran A; Stimson D; Mardon K; Najdovski L; Barkhausen C; Armstrong RT; Mostaghimi P, 2024, 'Visualisation of [11C]CO2 storage in coal with positron emission tomography imaging', Fuel, 356, http://dx.doi.org/10.1016/j.fuel.2023.129511

Ebadi M; McClure J; Mostaghimi P; Armstrong RT, 2024, 'Investigating an extended multiphase flow model that includes specific interfacial area', Computer Methods in Applied Mechanics and Engineering, 418, http://dx.doi.org/10.1016/j.cma.2023.116594

Higgs S; Wang YD; Sun C; Ennis-King J; Jackson SJ; Armstrong RT; Mostaghimi P, 2024, 'Direct measurement of hydrogen relative permeability hysteresis for underground hydrogen storage', International Journal of Hydrogen Energy, 50, pp. 524 - 541, http://dx.doi.org/10.1016/j.ijhydene.2023.07.270

Lanetc Z; Zhuravljov A; Armstrong RT; Mostaghimi P, 2024, 'Estimation of relative permeability curves in fractured media by coupling pore network modelling and volume of fluid methods', International Journal of Multiphase Flow, 171, http://dx.doi.org/10.1016/j.ijmultiphaseflow.2023.104668

Higgs S; Da Wang Y; Sun C; Ennis-King J; Jackson SJ; Armstrong RT; Mostaghimi P, 2023, 'Comparative analysis of hydrogen, methane and nitrogen relative permeability: Implications for Underground Hydrogen Storage', Journal of Energy Storage, 73, http://dx.doi.org/10.1016/j.est.2023.108827

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