Satish Karra

The FluidFlower Validation Benchmark Study for the Storage of CO$$_2$$

From Fluid Flow to Coupled Processes in Fractured Rock: Recent Advances and New Frontiers

N. Ray, T. Banerjee, B. Nadiga, and S. Karra. "On the viability of quantum annealers to solve fluid flows."  Frontiers in Mechanical Engineering , 8, 2022

H. S. Viswanathan, J. Ajo-Franklin, J. Birkholzer, J. W. Carey, Y. Guglielmi, J. Hyman, S. Karra, L. Pyrak-Nolte, H. Rajaram, G. Srinivasan, et al. "From fluid flow to coupled processes in fractured rock: recent advances and new frontiers."  Reviews of Geophysics , page e2021RG000744, 2022 2021

Constraining maximum event magnitude during injection-triggered seismicity

S. Srinivasan, D. O’Malley,M.Mudunuru,M. Sweeney, J. Hyman, S. Karra, L. Frash, J. Carey,M. Gross, G. Guthrie, T. Carr, L. Li, and H. Viswanathan. A machine learning framework for rapid forecasting and history matching in unconventional reservoirs. S cientific Reports , 11(1), 2021

H. Ushijima-Mwesigwa, J. D. Hyman, A. Hagberg, I. Safro, S. Karra, C. W. Gable, M. R. Sweeney, and G. Srinivasan. "Multilevel graph partitioning for three-dimensional discrete fracture network flow simulations."  Mathematical Geosciences , pages 1–26, 2021

Ahmmed, S. Karra, V. V. Vesselinov, and M. K. Mudunuru. "Machine learning to discover mineral trapping signatures due to CO2 injection." International Journal of Greenhouse Gas Control , 109:103382, 2021

Ahmmed, M. Mudunuru, S. Karra, S. James, and V. Vesselinov. "A comparative study of machine learning models for predicting the state of reactive mixing." Journal of Computational Physics , page 110147, 2021

B. Ahmmed, M. K. Mudunuru, S. Karra, S. C. James, H. Viswanathan, and J. A. Dunbar. PFLOTRAN-SIP: A PFLO-TRAN module for simulating spectral-induced polarization of electrical impedance data. Energies, 13(24):6552, 2020

S. Srinivasan, D. O’Malley, J. D. Hyman, S. Karra, H. S. Viswanathan, and G. Srinivasan. Transient flow modeling in fractured media using graphs. Physical Review E, 102:052310, Nov 2020

N. Makedonska, S. Karra, H. S. Viswanathan, and G. Guthrie. Role of interaction between hydraulic and natural fractures on production. Journal of Natural Gas Science and Engineering, 82:103451, 2020

N. Lubbers, A. Agarwal, Y. Chen, S. Son, M.Mehana, Q. Kang, S. Karra, C. Junghans, T. C. Germann, and H. S. Viswanathan. Modeling and scale-bridging using machine learning: nanoconfinement effects in porous media. Scientific Reports, 10(1):1–13, 2020

S. Dana, S. Srinivasan, S. Karra, N. Makedonska, J. D. Hyman, D. O’Malley, H. Viswanathan, and G. Srinivasan. Towards real-time forecasting of natural gas production by harnessing graph theory for stochastic discrete fracture networks. Journal of Petroleum Science and Engineering, 195:107791, 2020

V. Romano, S. Bigi, F. Carnevale, J. D. Hyman, S. Karra, A. J. Valocchi, M. C. Tartarello, and M. Battaglia. Hydraulic characterization of a fault zone from fracture distribution. Journal of Structural Geology, page 104036, 2020

D. Osthus, J. D. Hyman, S. Karra, N. Panda, and G. Srinivasan. A probabilistic clustering approach for identifying primary subnetworks of discrete fracture networks with quantified uncertainty. SIAM/ASA Journal on Uncertainty Quantification, 8(2):573–600, 2020

M. Sweeney, C. Gable, S. Karra, P. Stauffer, R. Pawar, and J. D. Hyman. Upscaled discrete fracture matrix model (UDFM): an octree-refined continuum representation of fractured porous media. Computational Geosciences, 24:293–310, 2020

M. K. Mudunuru, N. Panda, S. Karra, G. Srinivasan, V. T. Chau, E. Rougier, A. Hunter, and H. S. Viswanathan. Surrogate models for estimating failure in brittle and quasi-brittle materials. Applied Sciences, 9(13):2706, 2019

A. Iraola, P. Trinchero, S. Karra, and J. Molinero. Assessing dual continuum method for multicomponent reactive transport. Computers & Geosciences, 130:11–19, 2019

V. Vesselinov, M. Mudunuru, S. Karra, D. O’Malley, and B. Alexandrov. Unsupervised machine learning based on non-negative tensor factorization for analyzing reactive-mixing. Journal of Computational Physics, 395:85–104, 2019

S. Srinivasan, S. Karra, J. Hyman, H. Viswanathan, and G. Srinivasan. Model reduction for fractured porous media: a machine learning approach for identifying main flow pathways. Computational Geosciences, 23(3):617–629, 2019

A. Hunter, B. A. Moore, M. Mudunuru, V. Chau, R. Tchoua, C. Nyshadham, S. Karra, D. O’Malley, E. Rougier, H. Viswanathan, et al. Reduced-order modeling through machine learning and graph-theoretic approaches for brittle fracture applications. Computational Materials Science, 157:87–98, 2019

S. Rahimi-Aghdam, V.-T. Chau, H. Lee, H. Nguyen, W. Li, S. Karra, E. Rougier, H. Viswanathan, G. Srinivasan, and Z. P. Bažant. Branching of hydraulic cracks enabling permeability of gas or oil shale with closed natural fractures. Proceedings of the National Academy of Sciences, 116(5):1532–1537, 201

Reduced-order modeling through machine learning and graph-theoretic approaches for brittle fracture applications

S. Srinivasan, J. Hyman, S. Karra, D. O’Malley, H. Viswanathan, and G. Srinivasan. Robust system size reduction of discrete fracture networks: a multi-fidelity method that preserves transport characteristics. Computational Geosciences, 22(6):1515–1526, 2018

G. Srinivasan, J. D. Hyman, D. A. Osthus, B. A. Moore, D. O’Malley, S. Karra, E. Rougier, A. A. Hagberg, A. Hunter, and H. S. Viswanathan. Quantifying topological uncertainty in fractured systems using graph theory and machine learning. Scientific Reports, 8(1):11665, 2018

D. R. Harp, J. P. Ortiz, S. Pandey, S. Karra, D. Anderson, C. Bradley, H. Viswanathan, and P. H. Stauffer. Immobile pore-water storage enhancement and retardation of gas transport in fractured rock. Transport in Porous Media, 124(2):369–394, Sep 2018

G. D. Guthrie, R. J. Pawar, J. W. Carey, S. Karra, D. R. Harp, and H. S. Viswanathan. The mechanisms, dynamics, and implications of self-sealing and CO2 resistance in wellbore cements. International Journal of Greenhouse Gas Control, 75:162–179, 2018

S. Karra, D. O’Malley, J. Hyman, H. Viswanathan, and G. Srinivasan. Modeling flow and transport in fracture networks using graphs. Physical Review E, 97(3):033304, 2018

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