Publications

2026

Bui, C. M. and Matthai, S. K., Influence of fluid rheology on fluid flow in a natural fracture network, Journal of Rock Mechanics and Geotechnical Engineering (2026), https://doi.org/10.1016/j.jrmge.2026.03.001

2025

Bui, C. M. and Matthai, S. K., Influence of fluid dynamics on flow and transport in natural fracture networks. Computational Geoscience, 29:23, 20p. (2025), https://doi.org/10.1007/s10596-025-10361-x

Bui, C. M. and Matthai, S. K., Dynamics of fluid flow in natural fracture networks. Advances in Water Resources, 202-104979 (2025), https://doi.org/10.1016/j.advwatres.2025.104979

Conti, G., Matthäi, S.K. and Jenny, P., 2025. Fracture Displacement Basis Function (FDBF) method for efficient geomechanical calculations of fractured rock. International Journal of Rock Mechanics and Mining Sciences, 194, p.106219, https://doi.org/10.1016/j.ijrmms.2025.106219

Dilshan, R.A.D.P., Perera, M.S.A. and Matthai, S.K., 2025. A comprehensive review of experimental techniques for determining crack propagation in caprock during underground hydrogen storage. Journal of Energy Storage, 133, p.118021. https://doi.org/10.1016/j.est.2025.118021

Dong, F., Wang, S., Matthai, S., Han, B., Zhang, R. and Ma, S., 2025. A multiscale simulation method for natural rough rock joint morphologies using frequency domain analysis. Engineering Geology, p.108473. https://doi.org/10.1016/j.enggeo.2025.108473

Edirisinghe, E. A. A. V., Perera, M. S. A., Elsworth, D., Matthai, S. K., & Goudeli, E. (2025). Particle transport in fractured geo-energy reservoirs considering the effect of fluid inertia and turbulent flow: A review. Journal of Rock Mechanics and Geotechnical Engineering, 17(3), 1906-1939. https://doi.org/10.1016/j.jrmge.2024.04.006

Lu, S., Logashenko, D., Matthai, S. K., Naegel, A., Wittum, G., 2025, Alternative dissolution-rate controlled model and time-adaptive, high resolution scheme for site-scale subsurface carbon sequestration simulation. Computational Geoscience 29:27. https://doi.org/10.1007/s10596-025-10367-5

2024

Dilshan, R.A.D.P, Perera, S. S. A., Matthai, S. K., 2024, Effect of mechanical weakening and crack formation on caprock integrity during underground hydrogen storage in depleted gas reservoirs – A comprehensive review, Fuel 371, 131893. https://doi.org/10.1016/j.fuel.2024.131893

Flemisch, B., Nordbotten, J.M., Fernø, M., Juanes, R., Both,  J.W., Class, H., Delshad, M., Doster, F., Ennis-King, J., Franc, J., Matthai, S. K., and Geiger, S., The FluidFlower validation benchmark study for the storage of CO2. Transport in Porous Media, 151(5), pp. 865-912 (2024). https://doi.org/10.1007/s11242-023-01977-7

Hansika, H., Perera, M.S.A. and Matthai, S.K., Effects of inertia on fluid flow in fractured rock masses: A comprehensive review. Gas Science and Engineering, p.205240 (2024). https://doi.org/10.1016/j.jgsce.2024.205240

Matthai, S.K., Bui, C.M., Hansika, H. and Perera, M.S.A., Influence of inertial and centrifugal forces on rate and flow patterns in natural fracture networks. Advances in Water Resources, p.104741 (2024). https://doi.org/10.1016/j.advwatres.2024.104741

Liem, M., Matthai, S. and Jenny, P., Adaptive conservative time integration for transport in fractured porous media. Advances in Water Resources, 165, p.104213 (2022). https://doi.org/10.1016/j.advwatres.2022.104213

Youssef, A.A., Shao, Q. and Matthai, S.K., Computing relative permeability and capillary pressure of heterogeneous rocks using realistic boundary conditions. Transport in Porous Media, 151, 1729–1754 (2024). https://doi.org/10.1007/s11242-024-02092-x

2023

Akanji, L.T., Ibrahim, A., Hamidi, H., Matthai, S. and Akisanya, A., A new explicit sequentially coupled technique for chemo-thermo-poromechanical modelling and simulation in shale formations. Energies, 16(3), p.1543 (2023). https://doi.org/10.3390/en16031543

Conti, G., Deb, R., Matthai, S.K. and Jenny, P., Consistent treatment of shear failure in embedded discrete fracture models using XFVM. International Journal for Numerical and Analytical Methods in Geomechanics 48(4), p. 951-973 (2023), https://doi.org/10.1002/nag.3671

Conti, G., Matthai, S. and Jenny, P., XFVM modelling of fracture aperture induced by shear and tensile opening. Computational Geosciences 28, pp. 227-239 (2023), https://doi.org/10.1007/s10596-023-10214-5

Liem, M., Conti, G., Matthai, S.K. and Jenny, P., Prior with Far-Field Stress Approximation for Ensemble-Based Data Assimilation in Naturally Fractured Reservoirs. Authorea Preprints (2023). https://doi.org/10.22541/essoar.169651311.16504949/v1

Matthai, S. K., & Tran, L. K., Numeric determination of relative permeability of heterogeneous porous media with capillary discontinuities. Advances in Water Resources, 175, 104430 (2023). https://doi.org/10.1016/j.advwatres.2023.104430

Wang, J., Xie, H.P., Matthai, S.K., Hu, J.J. and Li, C.B., The role of natural fracture activation in hydraulic fracturing for deep unconventional geo-energy reservoir stimulation. Petroleum Science. 20 (4), 2141-2164 (2023), https://doi.org/10.1016/j.petsci.2023.01.007

Youssef, A.A., Shao, Q. and Matthai, S.K.,  Simplified numeric simulation approach for CO2, g-water flow and trapping at near-furface conditions (2023). https://doi.org/10.48550/arXiv.2301.09049

2022

Boon, M., Matthai, S.K., Shao, Q., Youssef, A.A., Mishra, A. and Benson, S.M., Anisotropic rate-dependent saturation functions for compositional simulation of sandstone composites. Journal of Petroleum Science and Engineering, 209, p.109934 (2022). https://doi.org/10.1016/j.petrol.2021.109934

Pezzulli, E., Nejati, M., Salimzadeh, S., Matthai, S.K. and Driesner, T., Finite element simulations of hydraulic fracturing: A comparison of algorithms for extracting the propagation velocity of the fracture. Engineering Fracture Mechanics, 274, p.108783 (2022). https://doi.org/10.1016/j.engfracmech.2022.108783

Pezzulli, E., Nejati, M., Salimzadeh, S., Matthai, S.K. and Driesner, T., An enhanced J‐integral for hydraulic fracture mechanics. International Journal for Numerical and Analytical Methods in Geomechanics, 46(11), pp.2163-2190 (2022). https://doi.org/10.1002/nag.3383

Shao, Q., Boon, M., Youssef, A., Kurtev, K., Benson, S. M., & Matthai, S. K., Modelling CO2 plume spreading in highly heterogeneous rocks with anisotropic, rate-dependent saturation functions: A field-data based numeric simulation study of Otway. International Journal of Greenhouse Gas Control, 119, 103699 (2022). https://doi.org/10.1016/j.ijggc.2022.103699

Youssef, A.A. and Matthai, S.K., Upscaled dynamic relative permeability for unstable CO2 flow in stratified porous media. Transport in Porous Media, 143(3), pp.657-680 (2022). https://doi.org/10.1007/s11242-022-01803-6

2021

Ahamed, M.A.A., Perera, M.S.A., Black, J.R., Matthai, S.K., Ranjith, P.G., Dong-yin, L. and Sampath, K. H. S. M., Investigating the proppant damage mechanisms expected in a propped coal fracture and its effect on fracture flow. Journal of Petroleum Science and Engineering, 198, p.108170 (2021). https://doi.org/10.1016/j.petrol.2020.108170

Ahamed, M.A.A., Perera, M.S.A., Elsworth, D., Ranjith, P.G., Matthai, S.K.M. and Dong-yin, L., Effective application of proppants during the hydraulic fracturing of coal seam gas reservoirs: Implications from laboratory testings of propped and unpropped coal fractures. Fuel, 304, p.121394 (2021). https://doi.org/10.1016/j.fuel.2021.121394

Sampath, K.H.S.M., Perera, M.S.A., Elsworth, D., Matthai, S.K., Ranjith, P.G. and Dong-Yin, L., Discrete fracture matrix modelling of fully-coupled CO2 flow–deformation processes in fractured coal. International Journal of Rock Mechanics and Mining Sciences, 138, p.104644 (2021). https://doi.org/10.1016/j.ijrmms.2021.104644

Shao, Q., Matthai, S., Driesner, T. and Gross, L., Predicting plume spreading during CO2 geo-sequestration: benchmarking a new hybrid finite element–finite volume compositional simulator with asynchronous time marching. Computational Geosciences, 25(1), pp.299-323 (2021). https://doi.org/10.1007/s10596-020-10006-1

Tran, L.K. and Matthai, S.K., 2021. Simulation of the infiltration of fractured rock in the unsaturated zone. Applied Sciences, 11(19), p. 9148 (2021). https://doi.org/10.3390/app11199148

Youssef, A.A., Tran, L.K. and Matthai, S.K., Impact of the vertical resolution of corner-point grids on CO2 plume migration predictions for layered aquifers. International Journal of Greenhouse Gas Control, 106, p.103249 (2021). https://doi.org/10.1016/j.ijggc.2021.103249

2020

Ouyang, Y., Chen, S., Chen, W., Zhang, L., Matthai, S. and Duan, W., Toward the understanding of stress-induced mineral dissolution via molecular scale simulations. The Journal of Physical Chemistry C, 124(35), pp.19166-19173 (2020). https://doi.org/10.1021/acs.jpcc.0c06300

Sampath, K.H.S.M., Sin, I., Perera, M.S.A., Matthai, S.K., Ranjith, P.G. and Dong-Yin, L., Effect of supercritical-CO2 interaction time on the alterations in coal pore structure. Journal of Natural Gas Science and Engineering, 76, p.103214 (2020). https://doi.org/10.1016/j.jngse.2020.103214

Sampath, K.H.S.M., Perera, M.S.A., Matthai, S.K., Ranjith, P.G. and Dong-yin, L., Modelling of fully-coupled CO2 diffusion and adsorption-induced coal matrix swelling. Fuel, 262, p.116486 (2020). https://doi.org/10.1016/j.fuel.2019.116486

Sampath, K.H.S.M., Ranjith, P.G. and Perera, M.S.A., A comprehensive review of structural alterations in CO2-interacted coal: Insights into CO2 sequestration in coal. Energy & Fuels, 34(11), pp.13369-13383 (2020). https://doi.org/10.1021/acs.energyfuels.0c02782

Sedaghat, M.H., Azizmohammadi, S. and Matthai, S.K., Tensor analysis of the relative permeability in naturally fractured reservoirs. SPE Journal, 25(01), pp.162-184 (2020). https://doi.org/10.2118/197064-PA

Sedaghat, M., Azizmohammadi, S. and Matthai, S.K., Does the symmetry of absolute permeability influence relative permeability tensors in naturally fractured rocks? Journal of Petroleum Exploration and Production Technology, 10(2), pp.455-466 (2020). https://doi.org/10.1007/s13202-019-00756-9

Tran, L.K., Kim, J.C. and Matthai, S.K., Simulation of two-phase flow in porous media with sharp material discontinuities. Advances in Water Resources, 142, p.103636 (2020), https://doi.org/10.1016/j.advwatres.2020.103636

2019

Ahamed, M.A.A., Perera, M.S.A., Matthai, S.K., Ranjith, P.G. and Dong-yin, L., Coal composition and structural variation with rank and its influence on the coal-moisture interactions under coal seam temperature conditions–A review article. Journal of Petroleum Science and Engineering, 180, pp. 901-917 (2019). https://doi.org/10.1016/j.petrol.2019.06.007

Ahamed, M.A.A., Perera, M.S.A., Dong-yin, L., Ranjith, P.G. and Matthai, S.K., Proppant damage mechanisms in coal seam reservoirs during the hydraulic fracturing process: a review. Fuel, 253, pp. 615-629 (2019). https://doi.org/10.1016/j.fuel.2019.04.166

Chen, S.J., Chen, W.Q., Ouyang, Y., Matthai, S. and Zhang, L., Transitions between nanomechanical and continuum mechanical contacts: New insights from liquid structure. Nanoscale, 11(47), pp.22954-22963 (2019). https://doi.org/10.1039/c9nr07180f

Sampath, K.H.S.M., Perera, M.S.A., Ranjith, P.G., Matthai, S.K. and Dong-yin, L., Qualitative and quantitative evaluation of the alteration of micro-fracture characteristics of supercritical CO2-interacted coal. The Journal of Supercritical Fluids, 147, pp.90-101 (2019). https://doi.org/10.1016/j.supflu.2019.02.014

Sampath, K.H.S.M., Perera, M.S.A., Li, D.Y., Ranjith, P.G. and Matthai, S.K., Evaluation of the mechanical behaviour of brine+CO2 saturated brown coal under mono-cyclic uni-axial compression. Engineering Geology, 263, p.105312 (2019). https://doi.org/10.1016/j.enggeo.2019.105312

Sampath, K.H.S.M., Perera, M.S.A., Ranjith, P.G. and Matthai, S.K., CO2 interaction induced mechanical characteristics alterations in coal: a review. International Journal of Coal Geology, 204, pp.113-129 (2019). https://doi.org/10.1016/j.coal.2019.02.004

Sampath, K.H.S.M., Perera, M.S.A., Li, D.Y., Ranjith, P.G. and Matthai, S.K., Characterization of dynamic mechanical alterations of supercritical CO2-interacted coal through gamma-ray attenuation, ultrasonic and X-ray computed tomography techniques. Journal of Petroleum Science and Engineering, 174, pp.268-280 (2019). https://doi.org/10.1016/j.petrol.2018.11.044

Sampath, K.H.S.M., Perera, M.S.A., Ranjith, P.G., Matthai, S.K., Tao, X. and Wu, B., Application of neural networks and fuzzy systems for the intelligent prediction of CO2-induced strength alteration of coal. Measurement, 135, pp.47-60 (2019). https://doi.org/10.1016/j.measurement.2018.11.031

Sampath, K.H.S.M., Perera, M.S.A., Elsworth, D., Ranjith, P.G., Matthai, S.K., Rathnaweera, T. and Zhang, G., Effect of coal maturity on CO2-based hydraulic fracturing process in coal seam gas reservoirs. Fuel, 236, pp.179-189 (2019). https://doi.org/10.1016/j.fuel.2018.08.150

Shao, Q., Matthai, S. K., & Gross, L., Efficient modelling of solute transport in heterogeneous media with discrete event simulation. Journal of Computational Physics, 384, 134-150 (2019). https://doi.org/10.1016/j.jcp.2019.01.026

2018

Agheshlui, H., Sedaghat, M. H., & Matthai, S., Stress influence on fracture aperture and permeability of fragmented rocks. Journal of Geophysical Research: Solid Earth, 123(5), 3578-3592 (2018), https://doi.org/10.1029/2017JB015365

Patterson, J. W., Driesner, T., Matthai, S., & Tomlinson, R., Heat and fluid transport induced by convective fluid circulation within a fracture or fault.  Journal of Geophysical Research: Solid Earth, 123(4), 2658-2673 (2018). https://doi.org/10.1002/2017JB015363

Patterson, J.W., Driesner, T. and Matthai, S.K., Self‐organizing fluid convection patterns in an en echelon fault array. Geophysical Research Letters, 45(10), pp.4799-4808 (2018). https://doi.org/10.1029/2018GL078271

Revil, A., Ahmed, A. S., and Matthai, S. K., Transport of water and ions in partially water-saturated porous media. Advances in Water Resources 121, pp. 97-111 (2018). https://doi.org/10.1016/j.advwatres.2018.08.007

Sampath, K.H.S.M., Perera, M.S.A., Elsworth, D., Ranjith, P.G., Matthai, S.K. and Rathnaweera, T., Experimental Investigation on the mechanical behavior of Victorian brown coal under brine saturation. Energy & fuels, 32(5), pp.5799-5811 (2018). https://doi.org/10.1021/acs.energyfuels.8b00577

2017

Agheshlui, H. and Matthai, S., Prediction of fracture aperture in fragmented rocks. International Journal of Geotechnical and Geological Engineering, 4(9) (2017).

Agheshlui, H. and Matthai, S. K., Uncertainties in the estimation of in situ stress: effects of heterogeneity and thermal perturbations. Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 1-24 (2017), https://doi.org/10.1007/s40948-017-0069-z

Azizmohammadi, S., & Matthai, S. K., Is the permeability of naturally fractured rocks scale dependent?  Water Resources Research, 53(9), 8041-8063 (2017). https://doi.org/10.1002/2016WR019764

Sampath, K.H.S.M., Perera, M.S.A., Ranjith, P.G., Matthai, S.K., Rathnaweera, T. Zhang, G. Taoc, X., 2017, CH4 - CO2 gas exchange and supercritical CO2 based hydraulic fracturing as CBM production-accelerating techniques: A review. Journal of CO2 Utilization 22 (2017) 212–230. https://doi.org/10.1016/j.jcou.2017.10.004

Sedaghat, M.H., Azizmohammadi, S. and Matthai, S.K., Numerical investigation of fracture-rock matrix ensemble saturation functions and their dependence on wettability. Journal of Petroleum Science and Engineering, 159, pp.869-888 (2017). https://doi.org/10.1016/j.petrol.2017.10.013

Yapparova, A., Gabellone, T., Whitaker, F., Kulik, D.A. and Matthai, S.K., Reactive transport modelling of dolomitisation using the new CSMP++ GEM coupled code: Governing equations, solution method and benchmarking results. Transport in Porous Media, 117(3), pp. 385-413 (2017). https://doi.org/10.1007/s11242-017-0839-7

Yapparova, A., Gabellone, T., Whitaker, F., Kulik, D.A. and Matthai, S.K., Reactive transport modelling of hydrothermal dolomitisation using the CSMP++ GEM coupled code: Effects of temperature and geological heterogeneity. Chemical Geology, 466, pp. 562-574 (2017). https://doi.org/10.1016/j.chemgeo.2017.07.005

2016

Sedaghat, M. H., Gerke, K., Azizmohammadi, S. and Matthai, S.K., Simulation-based determination of relative permeability in laminated rocks. Energy Procedia 97, pp. 433-439 (2016). https://doi.org/10.1016/j.egypro.2016.10.041