Skip to main content

previous disabled Page of 2
and
  1. Article

    Open Access

    Progressive transfer learning for advancing machine learning-based reduced-order modeling

    To maximize knowledge transfer and improve the data requirement for data-driven machine learning (ML) modeling, a progressive transfer learning for reduced-order modeling (p-ROM) framework is proposed. A key c...

    Teeratorn Kadeethum, Daniel O’Malley, Youngsoo Choi in Scientific Reports (2024)

  2. Article

    Open Access

    Addressing quantum’s “fine print” with efficient state preparation and information extraction for quantum algorithms and geologic fracture networks

    Quantum algorithms provide an exponential speedup for solving certain classes of linear systems, including those that model geologic fracture flow. However, this revolutionary gain in efficiency does not come ...

    Jessie M. Henderson, John Kath, John K. Golden, Allon G. Percus in Scientific Reports (2024)

  3. Article

    Open Access

    Development of the Senseiver for efficient field reconstruction from sparse observations

    The reconstruction of complex time-evolving fields from sensor observations is a grand challenge. Frequently, sensors have extremely sparse coverage and low-resource computing capacity for measuring highly non...

    Javier E. Santos, Zachary R. Fox, Arvind Mohan in Nature Machine Intelligence (2023)

  4. Article

    Open Access

    Quantum algorithms for geologic fracture networks

    Solving large systems of equations is a challenge for modeling natural phenomena, such as simulating subsurface flow. To avoid systems that are intractable on current computers, it is often necessary to neglec...

    Jessie M. Henderson, Marianna Podzorova, M. Cerezo, John K. Golden in Scientific Reports (2023)

  5. Article

    Open Access

    Physics-embedded inverse analysis with algorithmic differentiation for the earth’s subsurface

    Inverse analysis has been utilized to understand unknown underground geological properties by matching the observational data with simulators. To overcome the underconstrained nature of inverse problems and ac...

    Hao Wu, Sarah Y. Greer, Daniel O’Malley in Scientific Reports (2023)

  6. Article

    Open Access

    Quantum computing and preconditioners for hydrological linear systems

    Modeling hydrological fracture networks is a hallmark challenge in computational earth sciences. Accurately predicting critical features of fracture systems, e.g. percolation, can require solving large linear ...

    John Golden, Daniel O’Malley, Hari Viswanathan in Scientific Reports (2022)

  7. Article

    Open Access

    Reduced order modeling for flow and transport problems with Barlow Twins self-supervised learning

    We propose a unified data-driven reduced order model (ROM) that bridges the performance gap between linear and nonlinear manifold approaches. Deep learning ROM (DL-ROM) using deep-convolutional autoencoders (D...

    Teeratorn Kadeethum, Francesco Ballarin, Daniel O’Malley in Scientific Reports (2022)

  8. Article

    Open Access

    Enhancing high-fidelity nonlinear solver with reduced order model

    We propose the use of reduced order modeling (ROM) to reduce the computational cost and improve the convergence rate of nonlinear solvers of full order models (FOM) for solving partial differential equations. ...

    Teeratorn Kadeethum, Daniel O’Malley, Francesco Ballarin, Ida Ang in Scientific Reports (2022)

  9. Article

    Open Access

    Physics-informed machine learning with differentiable programming for heterogeneous underground reservoir pressure management

    Avoiding over-pressurization in subsurface reservoirs is critical for applications like CO \(_2\) ...

    Aleksandra Pachalieva, Daniel O’Malley, Dylan Robert Harp in Scientific Reports (2022)

  10. Article

    Open Access

    Quantum annealing algorithms for Boolean tensor networks

    Quantum annealers manufactured by D-Wave Systems, Inc., are computational devices capable of finding high-quality heuristic solutions of NP-hard problems. In this contribution, we explore the potential and eff...

    Elijah Pelofske, Georg Hahn, Daniel O’Malley, Hristo N. Djidjev in Scientific Reports (2022)

  11. No Access

    Chapter and Conference Paper

    Boolean Hierarchical Tucker Networks on Quantum Annealers

    Quantum annealing is an emerging technology with the potential to solve some of the computational challenges that remain unresolved as we approach an era beyond Moore’s Law. In this work, we investigate the ca...

    Elijah Pelofske, Georg Hahn, Daniel O’Malley in Large-Scale Scientific Computing (2022)

  12. No Access

    Article

    A framework for data-driven solution and parameter estimation of PDEs using conditional generative adversarial networks

    Here we employ and adapt the image-to-image translation concept based on conditional generative adversarial networks (cGAN) for learning a forward and an inverse solution operator of partial differential equat...

    Teeratorn Kadeethum, Daniel O’Malley, Jan Niklas Fuhg in Nature Computational Science (2021)

  13. Article

    Open Access

    A machine learning framework for rapid forecasting and history matching in unconventional reservoirs

    We present a novel workflow for forecasting production in unconventional reservoirs using reduced-order models and machine-learning. Our physics-informed machine-learning workflow addresses the challenges to r...

    Shriram Srinivasan, Daniel O’Malley, Maruti K. Mudunuru in Scientific Reports (2021)

  14. No Access

    Article

    Pre- and post-processing in quantum-computational hydrologic inverse analysis

    It was recently shown that certain subsurface hydrological inverse problems—here framed as determining the composition of an aquifer from pressure readings—can be solved on a quantum annealer. However, the qua...

    John K. Golden, Daniel O’Malley in Quantum Information Processing (2021)

  15. No Access

    Article

    Theory and Applications of Macroscale Models in Porous Media

    Systems dominated by heterogeneity over a multiplicity of scales, like porous media, still challenge our modeling efforts. The presence of disparate length- and time-scales that control dynamical processes in ...

    Ilenia Battiato, Peter T. Ferrero V, Daniel O’ Malley in Transport in Porous Media (2019)

  16. No Access

    Article

    Robust system size reduction of discrete fracture networks: a multi-fidelity method that preserves transport characteristics

    We propose a multi-fidelity system reduction technique that uses weighted graphs paired with three-dimensional discrete fracture network (DFN) modelling for efficient simulation of subsurface flow and transpor...

    Shriram Srinivasan, Jeffrey Hyman, Satish Karra in Computational Geosciences (2018)

  17. Article

    Open Access

    Quantifying Topological Uncertainty in Fractured Systems using Graph Theory and Machine Learning

    Fractured systems are ubiquitous in natural and engineered applications as diverse as hydraulic fracturing, underground nuclear test detection, corrosive damage in materials and brittle failure of metals and c...

    Gowri Srinivasan, Jeffrey D. Hyman, David A. Osthus, Bryan A. Moore in Scientific Reports (2018)

  18. Article

    Open Access

    An approach to quantum-computational hydrologic inverse analysis

    Making predictions about flow and transport in an aquifer requires knowledge of the heterogeneous properties of the aquifer such as permeability. Computational methods for inverse analysis are commonly used to...

    Daniel O’Malley in Scientific Reports (2018)

  19. No Access

    Article

    Agent-Based Socio-Hydrological Hybrid Modeling for Water Resource Management

    Hybrid socio-hydrological modeling has become indispensable for managing water resources in an increasingly unstable ecology caused by human activity. Most work on the subject has been focused on either qualit...

    Joseph Bakarji, Daniel O’Malley, Velimir V. Vesselinov in Water Resources Management (2017)

  20. No Access

    Article

    Random Renormalization Group Operators Applied to Stochastic Dynamics

    Let X(t) be a fixed point the renormalization group operator (RGO), R p,r X(t)=X(rt)/r p . Sc...

    Daniel O’Malley, John H. Cushman in Journal of Statistical Physics (2012)

previous disabled Page of 2