Parallel geometric-algebraic multigrid on unstructured forests of octrees. - Hari Sundar; George Biros; Carsten Burstedde; Johann Rudi; Omar Ghattas; Georg Stadler (SC, 2012)

An extreme-scale implicit solver for complex PDEs: highly heterogeneous flow in earth's mantle. - Johann Rudi; A. Cristiano I. Malossi; Tobin Isaac; Georg Stadler; Michael Gurnis; Peter W. J. Staar; Yves Ineichen; Costas Bekas; Alessandro Curioni; Omar Ghattas (SC, 2015)

Weighted BFBT Preconditioner for Stokes Flow Problems with Highly Heterogeneous Viscosity. - Johann Rudi; Georg Stadler; Omar Ghattas (SIAM J. Sci. Comput., 2017)

Advanced Newton Methods for Geodynamical Models of Stokes Flow with Viscoplastic Rheologies. - Johann Rudi; Yu-Hsuan Shih; Georg Stadler (CoRR, 2020)

Domain-Specific Runtime to Orchestrate Computation on Heterogeneous Platforms. - Jared O'Neal; Mohamed Wahib; Anshu Dubey; Klaus Weide; Tom Klosterman; Johann Rudi (Euro-Par Workshops, 2021)

Parameter Estimation with Dense and Convolutional Neural Networks Applied to the FitzHugh-Nagumo ODE. - Johann Rudi; Julie Bessac; Amanda Lenzi (MSML, 2021)

Statistical treatment of convolutional neural network super-resolution of inland surface wind for subgrid-scale variability quantification. - Daniel Getter; Julie Bessac; Johann Rudi; Yan Feng (CoRR, 2022)

Flash-X: A multiphysics simulation software instrument. - Anshu Dubey; Klaus Weide; Jared O'Neal; Akash Dhruv; Sean M. Couch; James Austin Harris; Tom Klosterman; Rajeev Jain; Johann Rudi; Bronson Messer; Michael Pajkos; Jared Carlson; et al. (SoftwareX, 2022)

Multimodal Parameter Inference for a Canonical Motor Microcircuit Controlling Rat Hindlimb Motion. - Clayton Jackson; Matthieu Chardon; Y. Curtis Wang; Johann Rudi; Matthew C. Tresch; Charles J. Heckman; Roger D. Quinn (Living Machines (2), 2023)

Neural networks for parameter estimation in intractable models. - Amanda Lenzi; Julie Bessac; Johann Rudi; Michael L. Stein (Comput. Stat. Data Anal., 2023)

Scalable implicit solvers with dynamic mesh adaptation for a relativistic drift-kinetic Fokker-Planck-Boltzmann model. - Johann Rudi; Max Heldman; Emil M. Constantinescu; Qi Tang 001; Xian-Zhu Tang (J. Comput. Phys., 2024)

CG-Kit: Code Generation Toolkit for performant and maintainable variants of source code applied to Flash-X hydrodynamics simulations. - Johann Rudi; Youngjun Lee; Aidan H. Chadha; Mohamed Wahib; Klaus Weide; Jared P. O'Neal; Anshu Dubey (Future Gener. Comput. Syst., 2025)

ORCHA - A Performance Portability System for Post-Exascale Systems. - Youngjun Lee; Klaus Weide; Wesley Kwiecinski; Jared O'Neal; Johann Rudi; Anshu Dubey (CoRR, 2025)