Eric Christopher Cyr

Computational Mathematics

Author profile picture

Computational Mathematics

eccyr@sandia.gov

(505) 844-0360

Sandia National Laboratories, New Mexico
P.O. Box 5800
Albuquerque, NM 87185-1320

Biography

I’m a Principal Member of the Technical Staff at the Computer Science Research Institute at Sandia National Laboratories in Albuquerque, NM. My research focus is on simulation of multiphysics PDEs, advanced analysis techniques, scalable algorithms and scientific machine learning.

Education

  • PhD Computer Science, University of Illinois at Urbana-Champaign, 2008. (Thesis Title: Numerical Methods for Computing the Free Energy of Coarse-Grained Molecular Systems, Advisor: Stephen D. Bond)
  • BS Computer Science, Clemson University, 2002.

Publications

Eric Christopher Cyr, Nathaniel Albert Trask, Amelia Henriksen, Carianne Martinez, (2022). A Two-Level Scheme for Training Partition of Unity Networks 27th International Domain Decomposition Conference Document ID: 1584854

Nathan V. Roberts, Stephen D Bond, Eric Christopher Cyr, (2022). A DPG Space-Time Vlasov-Poisson Discretization with Adaptive Mesh Refinement SIAM Annual Document ID: 1573784

Eric Christopher Cyr, Nathan V. Roberts, Stephen D Bond, Sean (AMD) Miller, (2022). Neural-Network Based Collision Operators for the Boltzmann Equation SIAM Annual Meeting 2022 Document ID: 1573686

Eric Christopher Cyr, John N. Shadid, Raymond S. Tuminaro, (2022). Preconditioners for Plasma Physics and Magnetohydrodynamics: Handling Multiple Timescales Preconditioning 2022International Conference on Preconditioning Techniques for Scientific and Industrial Applications Document ID: 1539805

Eric Christopher Cyr, Gordon (KAU) Moon, (2022). Parallel-In-Time Training of Recurrent Neural Networks Copper Mountain Conference on Iterative Methods Document ID: 1494109

Nicholas S. Moore (Texas Tech University), Eric Christopher Cyr, Christopher Siefert, (2022). Learning an Algebriac Multrigrid Interpolation Operator Using a Modified GraphNet Architecture https://www.osti.gov/search/identifier:1859673 Document ID: 1482370

Eric Christopher Cyr, (2022). Coupling Kinetic PIC to Multi-Fluid Plasma Models using Compatible Discretizations SIAM Parallel Processing 2022 Document ID: 1470977

Nathan V. Roberts, Stephen D Bond, Eric Christopher Cyr, (2022). A DPG Space-Time Vlasov-Poisson Discretization with Adaptive Mesh Refinement SIAM Annual Document ID: 1438366

Gordon Euhyun Moon (KAU), Eric Christopher Cyr, (2022). Parallel Training of GRU Networks with a Multi-Grid Solver for Long Sequences The Tenth International Conference on Learning Representations Document ID: 1438199

Peter Brian Ohm, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Raymond S. Tuminaro, Tobias A. Wiesner, (2022). A Monolithic Algebraic Multigrid Framework for Multiphysics Applications with Examples from Resistive MHD Electronic Transactions on Numerical Analysis Document ID: 1426688

Eric Christopher Cyr, Gary Joseph Saavedra, (2021). Machine learning and spatial decomposition for large CT scans IS&T Electronic Imaging 2022 Document ID: 1404649

Ron A. Oldfield, Sharlotte LorraineBolyard Kramer, Ahmad Rushdi, Erin Acquesta, John M Emery, Paul Allen Kuberry, Jaideep Ray, Sarah Ackerman, Eric Christopher Cyr, Gary Joseph Saavedra, Clayton Hughes, Suma George Cardwell, John Darby Smith, (2021). The ASC Advanced Machine Learning Initiative at Sandia National Laboratories: FY21 Accomplishments and FY22 Plans ASC AMLI Program Review Document ID: 1381086

Eric Christopher Cyr, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), Gordon Moon (KAU), Ravi Ghanshyam Patel, (2021). A Layer-Parallel Approach for Training Deep Neural Networks Mathematical Foundations and Applications of Deep Learning Document ID: 1344008

Ravi Ghanshyam Patel, Nathaniel Albert Trask, Mitchell Wood, Eric Christopher Cyr, (2021). Modal Operator Regression for Extracting Nonlocal Continuum Models Usnccm16 Document ID: 1342937

Eric Christopher Cyr, (2021). Perfection is the Enemy of Fast: The Case for Mathematically Induced Parallelism Computer Science Research Institute throughout our Summer Seminar Series Document ID: 1330813

Eric Christopher Cyr, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), Gordon Moon (KAU), Ravi Ghanshyam Patel, (2021). A Layer-Parallel Approach for Training Deep Neural Networks Fomics-dadsi Seminars On Scientific Learning https://www.osti.gov/search/identifier:1872882 Document ID: 1319109

Eric Christopher Cyr, Mamikon Gulian, Kookjin Lee (ASU), Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, (2021). An Adaptive Basis Perspective to Improve Initialization and Accelerate Training of DNNs Fomics-dadsi Seminars On Scientific Learning https://www.osti.gov/search/identifier:1872708 Document ID: 1319002

Peter Brian Ohm, Raymond S. Tuminaro, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Tobias Wiesner, (2021). An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems The 9th ediiton of the International Conference on Computational Methods for Coupled Problems in Science and Engineering https://www.osti.gov/search/identifier:1872519 Document ID: 1318805

Ravi Ghanshyam Patel, Nathaniel Albert Trask, Eric Christopher Cyr, (2021). Multiscale training for Physics-informed Neural Networks Copper Mountain Conference On Multigrid Methods https://www.osti.gov/search/identifier:1861255 Document ID: 1292759

Peter Brian Ohm, Raymond S. Tuminaro, John N. Shadid, Jonathan J. Hu, Tobias Wiesner, Eric Christopher Cyr, (2021). A Monolithic Algebraic Multigrid Approach for Coupled Multiphysics Problems using the MueLu Framework Cm202120th Copper Mountain Conference On Multigrid Methods https://www.osti.gov/search/identifier:1861027 Document ID: 1292489

Eric Christopher Cyr, (2021). Training Deep Neural Networks using Layer-Parallelism CIS EAB Review Document ID: 1292336

Mamikon Gulian, Ravi Ghanshyam Patel, Nathaniel Albert Trask, Eric Christopher Cyr, (2021). A block coordinate descent optimizer for classification problems exploiting convexity Aaai-mlps 2021 https://www.osti.gov/search/identifier:1855748 Document ID: 1281385

Matthew Tyler Bettencourt, Dominic A. S. Brown, Keith L. Cartwright1, Eric Christopher Cyr, Christian Alexander Glusa, Paul T. Lin, Stan Gerald Moore, Duncan A. O. McGregor, Roger P. Pawlowski, Edward Geoffrey Phillips, Nathan V. Roberts, Steven A. Wright, Satheesh Maheswaran, John P. Jones, Stephen A. Jarvis, (2021). EMPIRE-PIC: A Performance Portable Unstructured Particle-in-Cell Code Communications in Computational Physics https://www.osti.gov/search/identifier:1822232 Document ID: 1280482

Ravi Ghanshyam Patel, Nathaniel Albert Trask, Mitchell Wood, Eric Christopher Cyr, (2021). A Physics-Informed Operator Regression Framework for Extracting Data-Driven Continuum Models Siam Cse21 https://www.osti.gov/search/identifier:1853856 Document ID: 1279866

Indu Manickam, Ravi Ghanshyam Patel, Nathaniel Albert Trask, Mitchell Wood, Myoungkyu NMN Lee, Ignacio Tomas, Eric Christopher Cyr, (2021). Thermodynamically consistent physics-informed neural networks for hyperbolic systems SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1847572 Document ID: 1279762

Eric Christopher Cyr, Mamikon Gulian, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, (2021). An Adaptive Basis Perspective to Improve Initialization and Accelerate Training of DNNs SIAM Conference on Computational Science and Engineering (CSE21) https://www.osti.gov/search/identifier:1847582 Document ID: 1279963

Gary Joseph Saavedra, Eric Christopher Cyr, Jacob Schroder, Russell Hewett, (2021). Model Parallelism with Spatial Decomposition of Volumetric Data for Deep Learning SIAM Computational Science and Engineering 2021 https://www.osti.gov/search/identifier:1847461 Document ID: 1279611

Peter Brian Ohm, Raymond S. Tuminaro, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Tobias Wiesner, (2021). An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems IX International Conference on Coupled Problems in Science and Engineering Document ID: 1267068

George Russell Laity, Allen C. Robinson, Michael E. Cuneo, Mary Kathleen Alam, Kristian Beckwith, Nichelle Lee Bennett, Matthew Tyler Bettencourt, Stephen D Bond, Kyle Cochrane, Louise Criscenti, Eric Christopher Cyr, Karen June De Zetter, Richard R. Drake, Evstati Georgiev Evstatiev, Andrew Steven Fierro, Thomas Anthony Gardiner, Forrest Glines, Ronald S. Goeke, Nathaniel Donald Hamlin, Russell Hooper, Jason Koski, James Matthew Doyle Lane, Steven Robert Larson, Kevin Leung, Duncan Alisdair Odum McGregor, Philip Rocco Miller, Sean Miller, Susan Jasmin Ossareh, Edward Geoffrey Phillips, Sean Simpson, David Sirajuddin, Thomas M. Smith, Matthew Scot Swan, Aidan P. Thompson, Julien Guy Tranchida, Asa Jal Bortz-Johnson, Dale Robert Welch, Alex Moore Russell, Eric Duarte Watson, David Vincent Rose, Ryan D McBride, (2021). Towards Predictive Plasma Science and Engineering through Revolutionary Multi-Scale Algorithms and Models, Final Report https://www.osti.gov/search/identifier:1813907 Document ID: 1255312

Lee Kookjin, Nathaniel Albert Trask, Ravi Ghanshyam Patel, Mamikon Gulian, Eric Christopher Cyr, (2020). Partition of unity networks: data-driven meshfree hp-approximation AAAI 2021 Spring Symposium on Combining Artificial Intelligence and Machine Learning with Physics Sciences https://www.osti.gov/search/identifier:1835970 Document ID: 1243888

Ravi Ghanshyam Patel, Nathaniel Albert Trask, Mitchell Wood, Eric Christopher Cyr, (2020). Learning continuum-scale models from micro-scale dynamics via Operator Regression 14th World Congress in Computational Mechanics https://www.osti.gov/search/identifier:1834283 Document ID: 1243116

Roger P. Pawlowski, Eric T. Phipps, Christian Robert Trott, Eric Christopher Cyr, John N. Shadid, (2020). Finite Element Tools for Performance Portability of Implicit and IMEX Simulations on Next Generation Architectures 14th World Congress on Computational Mechanics (Virtual meeting) https://www.osti.gov/search/identifier:1833498 Document ID: 1242800

Eric Christopher Cyr, (2020). TorchBraid Document ID: 1231110

Eric Christopher Cyr, Stefanie Guenther (LLNL), Lars (Emory) Ruthotto, Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), Denis Ridzal, (2020). A Layer-Parallel Approach for Training Deep Neural Networks George Mason University – CMAI Colloquium https://www.osti.gov/search/identifier:1812174 Document ID: 1183473

Sean Miller, Nathan V. Roberts, Eric Christopher Cyr, (2020). Machine Learning for Accelerating Direct-Simulation Monte-Carlo Collision Operators Sandia Machine Learning and Deep Learning Workshop https://www.osti.gov/search/identifier:1811433 Document ID: 1182928

Eric Christopher Cyr, Mamikon Gulian, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, (2020). Robust Training and Initialization of Deep Neural Networks An Adaptive Basis Viewpoint Princeton MSML meeting https://www.osti.gov/search/identifier:1810691 Document ID: 1172850

Mamikon Gulian, Eric Christopher Cyr, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, (2020). Robust training and initialization of deep neural networks: an adaptive basis viewpoint 2020 Siam-caims An20 https://www.osti.gov/search/identifier:1808257 Document ID: 1161889

D. Humphreys, M.D. Boyer A. Kupresanin, J. Canik, C.S. Chang, Eric Christopher Cyr, R. Granetz, J. Hittinger, E. Kolemen, E. Lawrence, V. Pascucci, A. Patra, D. Schissel, (2020). Advancing Fusion with Machine Learning Research Needs Workshop Report Journal of Fusion Energy https://www.osti.gov/search/identifier:1670184 Document ID: 1150650

Eric Christopher Cyr, Stefanie (LLNL) Guenther, Lars (Emory) Ruthotto, Jacob B. (UNM) Schroder, Nico R. (TU Kaiserslautern) Gauger, (2020). Layer-Parallel Training: Nested Iteration SIAM MDS (Virtual Mini) https://www.osti.gov/search/identifier:1807445 Document ID: 1140265

Ravi Ghanshyam Patel, Nathaniel Albert Trask, Mamikon Gulian, Eric Christopher Cyr, (2020). A block coordinate descent optimizer for classification problems exploiting convexity Arxiv https://www.osti.gov/search/identifier:1834091 Document ID: 1140140

Ravi Ghanshyam Patel, Nathaniel Albert Trask, Mitchell Wood, Eric Christopher Cyr, (2020). A physics-informed operator regression framework for extracting data-driven continuum models Arxiv https://www.osti.gov/search/identifier:1725869 Document ID: 1138672

Richard Michael Jack Kramer, Eric Christopher Cyr, Sean Miller, Edward Geoffrey Phillips, Gregg Arthur Radtke, Allen C. Robinson, John N. Shadid, (2020). A Plasma Modeling Hierarchy and Verification Approach https://www.osti.gov/search/identifier:1608511 Document ID: 1104327

Matthew Tyler Bettencourt, Eric Christopher Cyr, Edward Geoffrey Phillips, Kristian Beckwith, Keith Cartwright, Duncan Alisdair Odum McGregor, Sean Miller, Nathan V. Roberts, Nicholas Roberds, Roger P. Pawlowski, David Sirajuddin, (2020). Solving The Multiscale Modeling Problem Of Plasma Physics With Hetrogeneous Methods wccm Document ID: 1067762

Sean Miller, Eric Christopher Cyr, Edward Geoffrey Phillips, Roger P. Pawlowski, Kristian Beckwith, Matthew Tyler Bettencourt, Keith Cartwright, Sidney Shields, (2020). Discretization of the Multi-fluid Plasma Model using IMEX and Mixed Continuous/Discontinuous FEM The 44th SIAM Southeastern Atlantic Section Conference https://www.osti.gov/search/identifier:1770844 Document ID: 1104135

Eric Christopher Cyr, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), (2020). A Layer-Parallel Approach for Training Deep Neural Networks SIAM Parallel Processing https://www.osti.gov/search/identifier:1766945 Document ID: 1092134

Sean Miller, Eric Christopher Cyr, Edward Geoffrey Phillips, Roger P. Pawlowski, Kristian Beckwith, Matthew Tyler Bettencourt, Keith Cartwright, Sidney Shields, (2020). Discretization of the Multi-fluid Plasma Model using IMEX and Mixed Continuous/Discontinuous FEM The 44th SIAM Southeastern Atlantic Section Conference Document ID: 1091939

Eric Christopher Cyr, (2020). Enabling 5G Distributed Scientific Data Analysis through Hierarchical Architectures and Algorithms 5G Enabled Energy Innovation Workshop (5GEEIW) https://www.osti.gov/search/identifier:1765641 Document ID: 1091910

Sean Miller, Eric Christopher Cyr, Edward Geoffrey Phillips, (2020). Discretization of the Multi-fluid Plasma Model using IMEX and Mixed Continuous/Discontinuous FEM 16th Copper Mountain Conference On Iterative Methods Document ID: 1079256

Kristian Beckwith, Thomas Anthony Gardiner, Matthew Tyler Bettencourt, Forrest Glines, Keith Cartwright, Eric Christopher Cyr, Sean Miller, Edward Geoffrey Phillips, Nathan V. Roberts, Roger P. Pawlowski, David Sirajuddin, (2020). Power-flow Simulation Enabled By Numerical Methods For Multi-scale Relativistic Plasmas International Conference on Computational Methods for Coupled Problems in Science and Engineering (WCCM XIV and ECCOMAS2020) Document ID: 1078654

Eric Christopher Cyr, Mamikon Gulian, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, Denis Ridzal, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), (2019). Improved Neural Network Training: Layer-Parallelism, Least-squares and Initialization International Workshop On Scientific Machine Learning https://www.osti.gov/search/identifier:1643364 Document ID: 1078760

Eric Christopher Cyr, Stefanie (LLNL) Guenther, Jacob B. (UNM) Schroder, (2019). Multilevel Initialization for Layer-Parallel Deep Neural Network Training arxiv paper https://www.osti.gov/search/identifier:1643389 Document ID: 1068504

Nathan V. Roberts, Stefan Klaus Wilhelm Henneking, Sean Miller, Eric Christopher Cyr, (2019). Residual-Minimizing Approaches for Transient Problems on Next-Generation Computing Architectures World Congress in Computational Mechanics https://www.osti.gov/search/identifier:1643401 Document ID: 1068180

Eric Christopher Cyr, Mamikon Gulian, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, (2019). Robust Training and Initialization of Deep Neural Networks: An Adaptive Basis Viewpoint Mathematical and Scientific Machine Learning Conference https://www.osti.gov/search/identifier:1643463 Document ID: 1067715

Eric Christopher Cyr, Mamikon Gulian, Ravi Ghanshyam Patel, Mauro Perego, Nathaniel Albert Trask, Stefanie (LLNL) Guenther, Lars (Emory University) Ruthotto, Jacob B Schroder, (UNM), Nico R. (TU Kaiserslautern) Gauger, (2019). Improved Neural Network Training: Layer-Parallelism, Least-squares and Initialization International Workshop on Scientific Machine Learning Document ID: 1067481

Eric Christopher Cyr, John N. Shadid, Raymond S. Tuminaro, Luis (LANL) Chacon, Roger P. Pawlowski, Edward Geoffrey Phillips, Sean Miller, (2019). Techniques for Simulating Multiple Timescales with Application to Plasmas Mathematics Seminar at the University of New Mexico https://www.osti.gov/search/identifier:1646409 Document ID: 1066867

Stefanie Guenther (TU Kaiserslautern), Lars Ruthotto (Emory), Jacob B. Schroder (University of New Mexico), Eric Christopher Cyr, Nicolas R. Gauger (TU Kaiserslautern), (2019). Layer-Parallel Training of Deep Residual Neural Networks SIAM Journal on Mathematics of Data Science (SIMODS) https://www.osti.gov/search/identifier:1618082 Document ID: 1033561

Eric Christopher Cyr, Sean Miller, Roger P. Pawlowski, Edward Geoffrey Phillips, Kristian Beckwith, Matthew Tyler Bettencourt, Keith Cartwright, Richard Michael Jack Kramer, Nathan V. Roberts, John N. Shadid, Sidney Shields, (2019). Implicit-Explicit Time Integration for a Mixed CG-DG Multi-Fluid Plasma Formulation 2019 International Conference on Numerical Simulation of Plasmas https://www.osti.gov/search/identifier:1642848 Document ID: 1020305

Sidney Shields, Keith Cartwright, Sean Miller, Timothy D. Pointon, Eric Christopher Cyr, Kristian Beckwith, (2019). Verification of a PIC-Fluid Hybrid Code With the Two-stream Plasma Instability Problem 61st Annual Meeting of the APS Division of Plasma Physics https://www.osti.gov/search/identifier:1642851 Document ID: 1033372

Sean Miller, Eric Christopher Cyr, Matthew Tyler Bettencourt, Thomas Anthony Gardiner, Kristian Beckwith, Nathaniel Donald Hamlin, Sidney Shields, (2019). Hybrid fluid-kinetic models for high-energy-density plasmas 61st Annual Meeting of theAPSDivision of Plasma Physics https://www.osti.gov/search/identifier:1642844 Document ID: 1033209

Eric Christopher Cyr, Stefanie (LLNL) Guenter, Lars (Emory) Ruthotto, Jacob B. (UNM) Schroder, Nicolas R. (TU Kaiserslautern) Gauger, (2019). A Layer-Parallel Approach for Training Deep Neural Networks SIAM Conference on Parallel Processing for Scientific Computing (PP20) Document ID: 1020303

Seung Whan Chung, Stephen D Bond, Eric Christopher Cyr, Jonathan B. Freund, (2019). Regular sensitivity computation avoiding chaotic effects in particle-in-cell plasma methods Journal of Computational Physics https://www.osti.gov/search/identifier:1570259 Document ID: 1020278

Sidafa Conde, Sibu Mabuza, John N. Shadid, Eric Christopher Cyr, Thomas M. Smith, Roger P. Pawlowski, (2019). On algebraic flux correction in continuous finite element schemes for problems in plasma physics Multimat https://www.osti.gov/search/identifier:1641928 Document ID: 1010027

Sean Miller, Eric Christopher Cyr, Matthew Tyler Bettencourt, Thomas Anthony Gardiner, Kristian Beckwith, Nathaniel Donald Hamlin, Sidney Shields, (2019). Hybrid fluid-kinetic models for high-energy-density plasmas International Conference on Numerical Simulation of Plasmas https://www.osti.gov/search/identifier:1641891 Document ID: 1009429

Sidney Shields, Keith Cartwright, Timothy D. Pointon, Eric Christopher Cyr, Kristian Beckwith, (2019). Verification of a PIC-Fluid Hybrid Code With the Two-stream Plasma Instability Problem International Conference on the Numerical Simulation of Plasmas https://www.osti.gov/search/identifier:1641814 Document ID: 1009483

Eric Christopher Cyr, Denis Ridzal, Stefanie Guenther (LLNL), Lars Ruthotto (Emory), Jacob B. Schroder (UNM), Nico R. Gauger (TU Kaiserslautern), (2019). Exploiting ?time-domain? parallelism to accelerate neural network training and PDE constrained optimization CIS External Review https://www.osti.gov/search/identifier:1807168 Document ID: 998567

Raymond S. Tuminaro, John N. Shadid, Eric Christopher Cyr, Paul Lin, Roger P. Pawlowski, Edward Geoffrey Phillips, Tobias Wiesner, James Adler, Tom Benson, Luis Chacon, Patrick Farrell, Ari Rappaport, Scott Maclachlan, Jonathan J. Hu, Luc Berger-Vergiat, Christian Alexander Glusa, Christopher Siefert, (2019). Scalable Preconditioners to Improve Time to Solution for Magnetohydrodynamics Applications Computer Science and Information Science External Review Board https://www.osti.gov/search/identifier:1645823 Document ID: 998732

Eric Christopher Cyr, Sean Miller, Edward Geoffrey Phillips, Kristian Beckwith, Matthew Tyler Bettencourt, Keith Cartwright, Richard Michael Jack Kramer, Roger P. Pawlowski, Nathan V. Roberts, John N. Shadid, Sidney Shields, (2019). Multi-Fluid Plasma Simulation with an IMEX CG/DG Discretization Z Fundamental Science Workshop 2019 https://www.osti.gov/search/identifier:1641633 Document ID: 998329

Ravi Ghanshyam Patel, Paul Atzberger, Nathaniel Albert Trask, Eric Christopher Cyr, (2019). Operator Regression for PDE Discovery Sandia Machine Learning and Deep Learning Workshop https://www.osti.gov/search/identifier:1641512 Document ID: 997849

Sean Miller, Eric Christopher Cyr, Matthew Tyler Bettencourt, Thomas Anthony Gardiner, Kristian Beckwith, Nathaniel Donald Hamlin, Sidney Shields, (2019). Hybrid fluid-kinetic models for high-energy-density plasmas International Conference on Numerical Simulation of Plasmas Document ID: 996811

Michael E. Cuneo, George Russell Laity, Allen C. Robinson, Thomas Anthony Gardiner, Matthew Tyler Bettencourt, John N. Shadid, Eric Christopher Cyr, Glen Hansen, Clayton Edward Myers, Kyle John Peterson, Kevin Leung, Dale Robert Welch, David Vincent Rose, Ryan D McBride, Daniel Sinars, (2019). Multi-Scale, Multi-Physics Plasma Hybrid Algorithms, Modeling, and Simulations APS DPP Discovery Plasma Science Community Planning Workshop https://www.osti.gov/search/identifier:1641379 Document ID: 996828

Sidney Shields, Keith Cartwright, Timothy D. Pointon, Eric Christopher Cyr, Kristian Beckwith, (2019). Verification of a PIC-Fluid Hybrid Code With the Two-stream Plasma Instability Problem International Conference on Numerical Simulation of Plasmas Document ID: 985878

Sean Miller, Eric Christopher Cyr, John N. Shadid, Richard Michael Jack Kramer, Edward Geoffrey Phillips, Sidafa Conde, Roger P. Pawlowski, (2019). IMEX and exact sequence discretization of the multi-fluid plasma model Journal of Computational Physics https://www.osti.gov/search/identifier:1559495 Document ID: 985511

Ravi Ghanshyam Patel, Paul Atzberger, Nathaniel Albert Trask, Eric Christopher Cyr, (2019). Operator Regression for PDE Discovery Deep Learning for Science School https://www.osti.gov/search/identifier:1641236 Document ID: 986139

Sidney Shields, Keith Cartwright, Timothy D. Pointon, Eric Christopher Cyr, Kristian Beckwith, (2019). Verification of a PIC-Fluid Hybrid Code With the Two-stream Plasma Instability Problem 61st Annual Meeting of the APS Division of Plasma Physics Document ID: 985260

Sean Miller, Eric Christopher Cyr, Thomas Anthony Gardiner, Matthew Tyler Bettencourt, Nathaniel Donald Hamlin, Kristian Beckwith, Sidney Shields, (2019). Hybrid fluid-kinetic models for high-energy-density plasmas 61st Annual Meeting of the APS Division of Plasma Physics Document ID: 984866

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Sean Miller, (2019). Enabling Scalable Multifluid Plasma Simulations through Block Preconditioning 19th International Conference on Finite Elements in Flow Problems https://www.osti.gov/search/identifier:1640838 Document ID: 973945

Denis Ridzal, Eric Christopher Cyr, Bart G van Bloemen Waanders, (2019). Adjoint-based Parallel-in-time Optimization for Electromagnetics: From Source Inversion to Design Nemo 2019 https://www.osti.gov/search/identifier:1640205 Document ID: 972512

Eric Christopher Cyr, Dan (PPPL) Boyer, (2019). Panel Talk: Model Extraction and Reduction Advancing Fusion with Machine Learning Research Needs Workshop Jointly Sponsored by FES & ASCR https://www.osti.gov/search/identifier:1645189 Document ID: 960444

Matthew Tyler Bettencourt, Sidney Shields, Kristian Beckwith, Keith Cartwright, Eric Christopher Cyr, Richard Michael Jack Kramer, Paul Lin, William McDoniel, Sean Miller, Roger P. Pawlowski, Edward Geoffrey Phillips, Nathan V. Roberts, (2019). EMPIRE: Sandia’s Next Generation Plasma Tool ?Kokkosifying EMPIRE-Fluid Kokkos User Group Meeting https://www.osti.gov/search/identifier:1639868 Document ID: 959976

Sibusiso Mabuza, John N. Shadid, Sidafa Conde, Eric Christopher Cyr, Thomas M. Smith, Roger P. Pawlowski, Dmitri Kuzmin, (2019). On AFC algorithms for continuous Galerkin discretization of MHD equations Seminar Mathematics Department, Clemson University https://www.osti.gov/search/identifier:1644856 Document ID: 948802

Sibusiso Mabuza, John N. Shadid, Eric Christopher Cyr, Thomas M. Smith, Dmitri Kuzmin, (2019). Stabilized continuous finite element schemes for problems in plasma physics 20th International Conference on Fluid Flow Problems https://www.osti.gov/search/identifier:1639628 Document ID: 948294

Sibusiso Mabuza, John N. Shadid, Eric Christopher Cyr, Roger P. Pawlowski, Dmitri Kuzmin, (2019). A monotone linearity preserving nodal variation limiting algorithm for continuous Galerkin discretization of MHD equations Journal of Computational Physics https://www.osti.gov/search/identifier:1618098 Document ID: 936535

Eric Christopher Cyr, Denis Ridzal, (2019). A Parallel-in-Time Multigrid Preconditioner for KKT Systems Arising in Full Space Optimization Copper Mountain Conference on Multigrid Methods https://www.osti.gov/search/identifier:1639544 Document ID: 947675

Keith Cartwright, Matthew Tyler Bettencourt, Timothy D. Pointon, Kristian Beckwith, Eric Christopher Cyr, Richard Michael Jack Kramer, William McDoniel, Sean Miller, Nathan Roberts, Gregg Arthur Radtke, Sidney Shields, Matthew Scot Swan, C. David Turner, Christopher Hudson Moore, (2019). EMPIRE and EMPHASIS: Verification and Validation Technical interchange on beam physics, presentation of Sandia work on desktop electron accelerators and associated diagnostics https://www.osti.gov/search/identifier:1644576 Document ID: 937490

Eric Christopher Cyr, Kristian Beckwith, Christopher Siefert, P. Sentz (UIUC), L. Olson (UIUC), S. Guenther (TU Kaiserslautern), N. R. Gauger (TU Kaiserslautern), L. Ruthotto (Emory), J. B. Schroder (UNM), (2019). Towards Scalable Scientific Machine Learning: Motivation and an Approach SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1602145 Document ID: 925109

Eric Christopher Cyr, (2019). Exploiting Parallelism in Optimization with Evolutionary System Constraints :ASCR Applied Math PI https://www.osti.gov/search/identifier:1594629 Document ID: 912873

Sibusiso Mabuza, John N. Shadid, Eric Christopher Cyr, Thomas M. Smith, Dmitri Kuzmin, (2019). Stabilized continuous finite element schemes for problems in plasma physics Joint Mathematics Meetings https://www.osti.gov/search/identifier:1593213 Document ID: 902634

Eric T. Phipps, Roger P. Pawlowski, Matthew Tyler Bettencourt, Eric Christopher Cyr, Nathan V. Roberts, (2019). Hierarchical Parallelism for Performant Embedded Automatic Differentiation on GPUs 2019 ECP Annual Meeting https://www.osti.gov/search/identifier:1582125 Document ID: 901938

Stefanie Gunter, Lars Ruthotto, Jacob B. Schroder, Eric Christopher Cyr, Nicolas R. Gauger, (2018). Parallel-in-Layer Training of Deep Residual Neural Networks Arxiv.org e-preprint archive Document ID: 900924

Eric Christopher Cyr, Kristian Beckwith, Matthew Tyler Bettencourt, Keith Cartwright, Richard Michael Jack Kramer, Sean Miller, Roger P. Pawlowski, Edward Geoffrey Phillips, Nathan V. Roberts, John N. Shadid, (2018). EMPIRE-Fluid: Towards Multi-Fluid Plasma Simulations for EMP Necdc https://www.osti.gov/search/identifier:1594328 Document ID: 876509

Matthew Tyler Bettencourt, Richard Michael Jack Kramer, Keith Cartwright, Edward Geoffrey Phillips, Curtis C. Ober, Roger P. Pawlowski, Matthew Scot Swan, Irina Kalashnikova Tezaur, Eric T. Phipps, Sidafa Conde, Eric Christopher Cyr, Craig D. Ulmer, Todd Henry Kordenbrock, Scott Larson Nicoll Levy, Gary J. Templet, Jonathan J. Hu, Paul Lin, Christian Alexander Glusa, Christopher Siefert, Micheal W. Glass, (2018). ASC ATDM Level 2 Milestone #6358: Assess Status of Next Generation Components and Physics Models in EMPIRE https://www.osti.gov/search/identifier:1493832 Document ID: 854521

Roger P. Pawlowski, Edward Geoffrey Phillips, John N. Shadid, Paul Lin, Eric Christopher Cyr, Sidafa Conde, Matthew Tyler Bettencourt, Eric T. Phipps, Christian Robert Trott, (2018). Developing a Hybrid Multi-fluid/PIC Plasma Capability Using Components Smoky Mountain Conputational Science and Engineering Conference https://www.osti.gov/search/identifier:1592043 Document ID: 853813

Roger P. Pawlowski, Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Sidafa Conde, Matthew Tyler Bettencourt, Eric T. Phipps, Stephen D Bond, Christian Robert Trott, (2018). Towards Towards a Hybrid Multi-fluid/PIC Plasma Capability 13th World Congress on Computational Mechanics https://www.osti.gov/search/identifier:1576717 Document ID: 841222

Eric Christopher Cyr, (2018). Scalable Methods for Scientific Machine Learning Sandia Machine Learning and Deep Learning Workshop https://www.osti.gov/search/identifier:1575119 Document ID: 842019

Raymond S. Tuminaro, tobias wiesner (Leica Geosystems AG), Eric Christopher Cyr, John N. Shadid, (2018). Monolithic Multigrid for Multiphysics Applications Arising from Resistive MHD 13th World Congress in Computational Mechanics https://www.osti.gov/search/identifier:1574277 Document ID: 841265

Eric Christopher Cyr, (2018). The EMPIRE Code Suite: Status Z Fundamental Science Program Workshop https://www.osti.gov/search/identifier:1571871 Document ID: 841455

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Roger P. Pawlowski, Eric Christopher Cyr, (2018). Performance of AMG-based preconditioners for fully-coupled Newton-Krylov methods for implicit continuum plasma simulations world congress on computational mechanics 2018 https://www.osti.gov/search/identifier:1806727 Document ID: 841299

Sibusiso Mabuza, John N. Shadid, Dmitri Kuzmin, Eric Christopher Cyr, Thomas M. Smith, (2018). AFC Algorithms for Continuous FE for HD & MHD Caarms24 https://www.osti.gov/search/identifier:1570149 Document ID: 830597

Denis Ridzal, Eric Christopher Cyr, (2018). Multigrid-in-time methods for optimization with nonlinear PDE/DAE constraints 23rd International Symposium on Mathematical Programming https://www.osti.gov/search/identifier:1531095 Document ID: 819876

Eric Christopher Cyr, (2018). Parallel-in-Layer Methods for Extreme-Scale Machine Learning ASCR Early Career Proposal Abstract Submission Document ID: 809126

Sibusiso Mabuza, John N. Shadid, Eric Christopher Cyr, Thomas M. Smith, Dmitri Kuzmin, (2018). Algebraic flux correction algorithms in continuous FE schemes for HD & MHD Eccm-ecfd https://www.osti.gov/search/identifier:1526365 Document ID: 808556

Eric Christopher Cyr, Kristian Beckwith, Matthew Tyler Bettencourt, Keith Cartwright, Richard Michael Jack Kramer, Roger P. Pawlowski, Nathan V. Roberts, (2018). (U) EMPIRE-Fluid: Coupling Discontinuous Galerkin Fluids to Compatible Maxwell?s Equations Necdc Document ID: 808427

Richard Michael Jack Kramer, Matthew Tyler Bettencourt, Keith Cartwright, Eric Christopher Cyr, Paul Lin, Roger P. Pawlowski, Timothy D. Pointon, Edward Geoffrey Phillips, (2018). EMPIRE: A Next-Generation Plasma Simulation Capability Necdc 2018 Document ID: 808035

Sibusiso Mabuza, John N. Shadid, Dmitri Kuzmin, Eric Christopher Cyr, (2018). Iterative limiters for continuous Galerkin discretization of hyperbolic conservation laws Document ID: 773244

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2018). Scalable Preconditioners for Structure Preserving Discretizations of Maxwell Equations in First Order Form SIAM Journal on Scientific Computing https://www.osti.gov/search/identifier:1441484 Document ID: 784881

Sibusiso Mabuza, John N. Shadid, Dmitri Kuzmin, Eric Christopher Cyr, (2018). Nodal variational limiting for HD & MHD Oberseminar Applied Mathematics III Document ID: 611213

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Sean T. Miller, (2018). Block Preconditioners Informed by Plasma Timescales 15th Copper Mountain Conference on Iterative Methods https://www.osti.gov/search/identifier:1504324 Document ID: 773174

Roger P. Pawlowski, Matthew Tyler Bettencourt, Eric Christopher Cyr, Sean Miller, Edward Geoffrey Phillips, Eric T. Phipps, John N. Shadid, Christian Robert Trott, (2018). Towards Performance Portable Assembly Tools for Multi-Fluid Plasma Simulation SIAM Conference on Parallel Processing for Scientific Computing https://www.osti.gov/search/identifier:1498443 Document ID: 771561

Raymond S. Tuminaro, Luc Berger-Vergiat, Matthias Mayr, John N. Shadid, Eric Christopher Cyr, Massimiliano (Emory) Lupo Pasini, Peter (Tufts) Ohm, (2018). Leveraging Application Structure Within Next Generation Multigrid Solvers SIAM Conference on Parallel Processing for Scientific Computing https://www.osti.gov/search/identifier:1497566 Document ID: 771424

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Roger P. Pawlowski, Eric Christopher Cyr, (2018). Scalable Newton-Krylov-AMG-based preconditioners for implicit continuum plasma simulations Siam Pp 2018 https://www.osti.gov/search/identifier:1575328 Document ID: 761205

Matthias Mayr, John N. Shadid, Sibusiso Mabuza, Eric Christopher Cyr, Edward Geoffrey Phillips, Thomas M. Smith, (2018). Implicit-explicit (IMEX) ALE methods for time integration of multi-physics CFD simulations World Congress on Computational Mechanics Document ID: 738501

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Roger P. Pawlowski, Eric Christopher Cyr, (2017). Performance of AMG-based preconditioners for fully-coupled Newton-Krylov methods for Implicit Continuum Plasma Simulations 13th World Congress in Computational Mechanics Document ID: 738123

Eric Christopher Cyr, Gregory John von Winckel, Drew Philip Kouri, Thomas Anthony Gardiner, Denis Ridzal, John N. Shadid, Sean Miller, (2017). LDRD Report: Topological Design Optimization of Convolutes in Next Generation Pulsed Power Devices https://www.osti.gov/search/identifier:1413648 Document ID: 703405

Curtis C. Ober, Roger P. Pawlowski, Irina Kalashnikova Tezaur, Sidafa Conde, Eric Christopher Cyr, (2017). Tempus Time-Integration Package Trilinos Users Group Meeting 2017 https://www.osti.gov/search/identifier:1510906 Document ID: 714548

Sean Miller, Eric Christopher Cyr, John N. Shadid, Edward Geoffrey Phillips, (2017). Continuous and discontinuous IMEX-FEM for the multi-fluid plasma model 59th Annual Meeting of the APS Division of Plasma Physics https://www.osti.gov/search/identifier:1479190 Document ID: 714512

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Sean Miller, (2017). Block Preconditioning to Enable Physics-Compatible Implicit Multifluid Plasma Simulations 59th Annual Meeting of the APS Division of Plasma Physics https://www.osti.gov/search/identifier:1479051 Document ID: 714270

Eric Christopher Cyr, Denis Ridzal, (2017). Towards Parallel in Time for Full Space Optimization The 3rd Annual Meeting of SIAM Central States Section https://www.osti.gov/search/identifier:1509626 Document ID: 693096

Edward Geoffrey Phillips, Matthew Tyler Bettencourt, Eric Christopher Cyr, Truman Everett Ellis, Richard Michael Jack Kramer, Duncan Alisdair Odum McGregor, Sean Miller, John Henry Judah Niederhaus, John N. Shadid, (2017). Stabilization of a Compatible Finite Element Plasma Discretization 25th International Conference on Numerical Simulation of Plasmas https://www.osti.gov/search/identifier:1471961 Document ID: 671802

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2017). Preconditioning Strategies for Physics-Conforming Implicit Electromagnetics and Plasma Simulations DOE ASCR Applied Mathematics Principal Investigators’ Meeting https://www.osti.gov/search/identifier:1471167 Document ID: 671617

Eric Christopher Cyr, Gregory John von Winckel, Thomas Anthony Gardiner, Drew Philip Kouri, Sean Miller, John N. Shadid, (2017). Methods for Topological Design of Conducting Networks Coupled Problems https://www.osti.gov/search/identifier:1464677 Document ID: 625707

Matthew Tyler Bettencourt, Eric Christopher Cyr, Richard Michael Jack Kramer, Sean Miller, Roger P. Pawlowski, Edward Geoffrey Phillips, Allen C. Robinson, John N. Shadid, (2017). EMPIRE ? EM/PIC/Fluid Simulation Code ZFSP 2017Workshop and User MeetingFundamental Science With Pulsed Power https://www.osti.gov/search/identifier:1464676 Document ID: 638358

Matthew Tyler Bettencourt, Eric Christopher Cyr, Richard Michael Jack Kramer, Sean Miller, Roger P. Pawlowski, Edward Geoffrey Phillips, Allen C. Robinson, John N. Shadid, (2017). EMPIRE – EM/PIC/Fluid Simulation Code ZFSP 2017Workshop and User MeetingFundamental Science With Pulsed Power https://www.osti.gov/search/identifier:1464675 Document ID: 638359

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Sean Miller, (2017). Block Preconditioning Approaches to Compatible Electromagnetic and Plasma Discretizations International Conference On Preconditioning Techniques For Scientific And Industrial Applications https://www.osti.gov/search/identifier:1463401 Document ID: 658738

Sean Miller, Eric Christopher Cyr, John N. Shadid, Edward Geoffrey Phillips, (2017). On the use of compatible discretizations with the multi-fluid plasma model 59th Annual Meeting of the APS Division of Plasma Physics Document ID: 637920

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, (2017). Towards Scalable AMG-based Preconditioners for MHD and Multifluid Plasma Simulations 14th U.S. National Congress on Computational Mechanics (USNCCM14) https://www.osti.gov/search/identifier:1513626 Document ID: 637301

Sean Miller, Eric Christopher Cyr, John N. Shadid, Sidafa Conde, Edward Geoffrey Phillips, (2017). Implicit-Explicit Time Integration of the Multi-Fluid Plasma Model Using a Continuous Galerkin Spatial Discretization VII International Conference on Coupled Problems in Science and Engineering https://www.osti.gov/search/identifier:1458255 Document ID: 625331

Matthias Mayr, Eric Christopher Cyr, John N. Shadid, Roger P. Pawlowski, Timothy Michael Wildey, Guglielmo Scovazzi, Xianyi Zeng, Edward Geoffrey Phillips, Sidafa Conde, (2017). Implicit-Explicit (IMEX) Time Integration for CFD & Multi-Physics Problems Mechanics & High Performance Computing Seminar https://www.osti.gov/search/identifier:1458227 Document ID: 625704

Matthias Mayr, Eric Christopher Cyr, John N. Shadid, Roger P. Pawlowski, Timothy Michael Wildey, Guglielmo Scovazzi, Xianyi Zeng, Edward Geoffrey Phillips, Sidafa Conde, (2017). Implicit-Explicit (IMEX) Time Integration for Multi-Physics: Application to ALE-based CFD Simulations VII International Conference on Coupled Problems in Science and Engineering https://www.osti.gov/search/identifier:1458228 Document ID: 625705

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, Paul (LLNL) Tsuji, David (U of Texas) Sondak, (2017). Algorithmic aspects and performance of AMG-based preconditioning for an implicit FE VMS resistive MHD model VII International Conference on Coupled Problems in Science and Engineering (Coupled Problems 2017) https://www.osti.gov/search/identifier:1458094 Document ID: 625264

Matthew Tyler Bettencourt, John N. Shadid, Eric Christopher Cyr, Edward Geoffrey Phillips, Richard Michael Jack Kramer, John Henry Judah Niederhaus, Allen C. Robinson, (2017). Performance Portable Multi-Species Plasma Code 44th International Conference on Plasma Science https://www.osti.gov/search/identifier:1367277 Document ID: 624193

Sean Miller, Eric Christopher Cyr, John N. Shadid, Edward Geoffrey Phillips, (2017). Implicit-explicit time integration of multi-fluid plasma models using compatible discretizations Sherwood Fusion Theory Conference https://www.osti.gov/search/identifier:1456750 Document ID: 622994

Tobias Albert Wiesner, John N. Shadid, Eric Christopher Cyr, Jonathan J. Hu, Raymond S. Tuminaro, (2017). MueLu – a multigrid framework for multiphysics preconditioners Copper Mountain Conference on Multigrid Methods https://www.osti.gov/search/identifier:1456404 Document ID: 610969

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2017). Enabling Scalable Multiphysics Simulations through Block Preconditioning 19th International Conference on Finite Elements in Flow Problems https://www.osti.gov/search/identifier:1456380 Document ID: 611131

Paul Lin, John N. Shadid, Roger P. Pawlowski, Matthew Tyler Bettencourt, Eric Christopher Cyr, (2017). Towards scalable and efficient implicit finite element simulations for plasma physics applications on HPC platforms IACM 19th International Conference on Finite Elements in Flow Problems – FEF 2017 https://www.osti.gov/search/identifier:1456373 Document ID: 611263

Eric Christopher Cyr, John N. Shadid, Timothy Michael Wildey, Edward Geoffrey Phillips, Allen C. Robinson, Roger P. Pawlowski, (2017). A Monolithic Arbitrary Lagrangian Eulerian Implicit-Explicit (IMEX) Method Multimat Document ID: 599626

Eric Christopher Cyr, Gregory John von Winckel, Thomas Anthony Gardiner, Drew Philip Kouri, Denis Ridzal, Sean Miller, John N. Shadid, (2017). Topology Optimization: Challenges, Algorithms and Applications Mathematics Colloquium and the Applied Mathematics Seminar https://www.osti.gov/search/identifier:1429279 Document ID: 610893

Sean Miller, John N. Shadid, Eric Christopher Cyr, Edward Geoffrey Phillips, (2017). Implicit-explicit time integration of multi-fluid plasma models using compatible discretizations Sherwood Fusion Theory Conference 2017 https://www.osti.gov/search/identifier:1429160 Document ID: 610607

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, Andrey (ORNL) Prokopenko, Paul (LLNL) Tsuji, (2017). Performance of Scalable AMG-based Preconditioners for MHD and Multifluid Plasma Simulations Siam Cse https://www.osti.gov/search/identifier:1424884 Document ID: 599602

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2017). Scalable Block Preconditioners for Maxwell’s Equations and Continuum Plasma Physics Models SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1424858 Document ID: 589172

Denis Ridzal, Eric Christopher Cyr, (2017). Inexact parallel-in-time solvers and SQP methods for PDE-constrained optimization SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1524491 Document ID: 599499

Eric Christopher Cyr, Gregory John von Winckel, Thomas Anthony Gardiner, Drew Philip Kouri, Sean Miller, John N. Shadid, (2017). Topology optimization for design of coaxial cables SIAM conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1425291 Document ID: 589165

Jason Matthew Gates, Roger P. Pawlowski, Eric Christopher Cyr, (2017). Panzer: A Finite Element Assembly Engine within the Trilinos Framework Siam Cse 2017 https://www.osti.gov/search/identifier:1427161 Document ID: 589176

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, (2017). owards Scalable AMG-based Preconditioners for MHD and Multifluid Plasma Simulations 14th U.S. National Congress on Computational Mechanics (USNCCM14 Document ID: 589193

Tobias Albert Wiesner, Raymond S. Tuminaro, Eric Christopher Cyr, John N. Shadid, Jonathan J. Hu, (2017). Multiphysics Preconditioning with the MueLu Multigrid Library SIAM Conference on Computational Science and Engineering (CSE) https://www.osti.gov/search/identifier:1458245 Document ID: 589306

Roger P. Pawlowski, Roscoe Bartlett, Matthew Tyler Bettencourt, James Brian Carleton, Sidafa Conde, Eric Christopher Cyr, Kyungjoo Kim, Alejandro Mota, Mauro Perego, John N. Shadid, Gregory D. Sjaardema, Alexander Raymond Toth, Andrew Michael Bradley, William Spotz, Curtis C. Ober, Irina Kalashnikova Tezaur, (2017). ECP 1.3.3.03a Develop General CS Components for ATDM Applications ECP Annual Meeting 2017 https://www.osti.gov/search/identifier:1507624 Document ID: 577915

Matthew Tyler Bettencourt, Micah Andrew Howard, Eric Christopher Cyr, (2017). Sandia?s ATDM* Applications ECP Annual Meeting https://www.osti.gov/search/identifier:1427035 Document ID: 577704

Paul Lin, John N. Shadid, Jonathan J. Hu, Roger P. Pawlowski, Eric Christopher Cyr, (2017). Performance of Fully-coupled Algebraic Multigrid Preconditioners for Large-scale VMS Resistive MHD Journal of Computational and Applied Mathematics https://www.osti.gov/search/identifier:1411594 Document ID: 566462

Matthew Tyler Bettencourt, Janine Camille Bennett, Eric Christopher Cyr, Roger P. Pawlowski, Aram Markosyan, Christopher Hudson Moore, Edward Geoffrey Phillips, Allen C. Robinson, John N. Shadid, (2017). Performance Portabile Multi-species Plasma Code International Conference on Plasma Science Document ID: 567280

Paul Lin, John N. Shadid, Roger P. Pawlowski, Matthew Tyler Bettencourt, Eric Christopher Cyr, (2016). Towards scalable and efficient implicit finite element simulations for plasma physics applications on HPC platforms IACM 19th International Conference on Finite Elements in Flow Problems – FEF 2017 Document ID: 564849

Thomas M. Smith, John N. Shadid, Eric Christopher Cyr, Roger P. Pawlowski, Timothy Michael Wildey, (2016). Stabilized FE Simulation of Prototype Thermal-Hydraulics Problems with Integrated Adjoint-based Capabilities for %Error-estimation, Sensitivity Analysis and UQ Journal of Computational Physics https://www.osti.gov/search/identifier:1338379 Document ID: 207904

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Jonathan J. Hu, Paul Tsuji, Eric Christopher Cyr, Roger P. Pawlowski, David Sondak, (2016). Algorithmic aspects and performance of AMG-based preconditioning for implicit FE VMS resistive MHD model Coupled Problems 2017 Document ID: 553177

Raymond S. Tuminaro, Eric Christopher Cyr, John N. Shadid, David R. Noble, Luc Berger-Vergiat, Jonathan J. Hu, Andrey Prokopenko, Christopher Siefert, Tobias Albert Wiesner, Mauro Perego, Andrew G. Salinger, Irina Kalashnikova Tezaur, Stephen Price, (2016). Toward Robust Scalable Algebraic Multigrid Solvers UNM Applied Math & Statistics Seminar https://www.osti.gov/search/identifier:1406967 Document ID: 532614

Sean Miller, Eric Christopher Cyr, John N. Shadid, Sidafa Conde, Edward Geoffrey Phillips, (2016). Implicit-Explicit Time Integration of the Multi-Fluid Plasma Model Using a Continuous Galerkin Spatial Discretization Coupled Problems 2017 Document ID: 553170

Curtis C. Ober, Roger P. Pawlowski, Eric Christopher Cyr, (2016). Tempus Time-Integration Package Trilinos User-Developer Group Meeting 2016 https://www.osti.gov/search/identifier:1406860 Document ID: 532204

Eric Christopher Cyr, John N. Shadid, Timothy Michael Wildey, Edward Geoffrey Phillips, Allen C. Robinson, Sean Miller, Roger P. Pawlowski, (2016). Implicit-Explicit (IMEX) Time Integration for Multi-Physics: Application to ALE and Plasma Simulation Necdc https://www.osti.gov/search/identifier:1401944 Document ID: 531600

Timothy Michael Wildey, John N. Shadid, Eric Christopher Cyr, Jehanzeb Chaudry, (2016). Adjoint Enhanced Methods for Uncertainty Quantification of Multiphysics Applications Nuclear Explosive Code Developers Conference (NECDC) https://www.osti.gov/search/identifier:1400047 Document ID: 531530

John N. Shadid, Edward Geoffrey Phillips, Eric Christopher Cyr, Roger P. Pawlowski, Matthew Tyler Bettencourt, Keith Cartwright, Paul Lin, Richard Michael Jack Kramer, John Henry Judah Niederhaus, Gregg Arthur Radtke, Allen C. Robinson, (2016). Towards Scalable and Efficient Solution of Full Maxwell Electromagnetics – Multifluid Plasma Systems Nuclear Explosives Code Development Conference 2016 https://www.osti.gov/search/identifier:1404787 Document ID: 531643

Scott Alan Roberts, Victor Brunini, Jonathan Clausen, Eric Christopher Cyr, Kei (LLNL) Mueller, Roger P. Pawlowski, Jerome (LLNL) Solberg, James (U. Utah) Sutherland, Tyler Voskuilen, (2016). Complex Multi-Physics Coupling Techniques: Advances and Applications US National Congress on Computational Mechanics Document ID: 531085

Richard Michael Jack Kramer, Sean Miller, John Henry Judah Niederhaus, Gregg Arthur Radtke, Matthew Tyler Bettencourt, Keith Cartwright, Eric Christopher Cyr, Edward Geoffrey Phillips, Allen C. Robinson, John N. Shadid, (2016). A Rigorous Verification Strategy for a Continuum Plasma Code Necdc 2016 https://www.osti.gov/search/identifier:1399198 Document ID: 530672

Paul Lin, John N. Shadid, Edward Geoffrey Phillips, Jonathan J. Hu, Andrey V Prokopenko, Eric Christopher Cyr, Roger P. Pawlowski, (2016). Performance of scalable AMG-based preconditioners for MHD and multifluid plasma simulations SIAM Conference on Computational Science and Engineering (CSE17) Document ID: 529290

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Howard C. (UMD) Elman, Roger P. Pawlowski, (2016). Block Preconditioners for Stable Mixed Nodal and Edge FE Representations of Incompressible Resistive MHD SIAM Journal on Scientific Computing Document ID: 528728

Edward Geoffrey Phillips, Eric Christopher Cyr, John N. Shadid, Raymond S. Tuminaro, (2016). Block Preconditioners for Mixed Discretization MHD and Continuum Plasma Simulations Enabled by Teko 12th World Congress on Computational Mechanics https://www.osti.gov/search/identifier:1373178 Document ID: 476656

Paul Lin, John N. Shadid, Jonathan J. Hu, Roger P. Pawlowski, Eric Christopher Cyr, Andrey V Prokopenko, (2016). Aspects of Large-scale Fully-coupled AMG Preconditioned FE Magnetohydrodynamic Simulations Enabled Through Trilinos world congress on compuational mechanics https://www.osti.gov/search/identifier:1372011 Document ID: 476179

Eric Christopher Cyr, John N. Shadid, Timothy Michael Wildey, Allen C. Robinson, Edward Geoffrey Phillips, Roger P. Pawlowski, (2016). Implicit-Explicit (IMEX) Time Integration for Multi-Physics: Application to ALE and Plasma Simulation Necdec Document ID: 475406

Timothy Michael Wildey, John N. Shadid, Eric Christopher Cyr, (2016). Adjoint Enhanced Methods for Uncertainty Quantification of Multiphysics Applications Nuclear Explosive Code Developers Conference (NECDC) https://www.osti.gov/search/identifier:1367627 Document ID: 475446

Eric Christopher Cyr, John N. Shadid, Timothy Michael Wildey, Allen C. Robinson, (2016). Implicit-Explicit (IMEX) Time Integration for Multi-Physics: Application to ALE and Plasma Simulation Necdec Document ID: 475341

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Roger P. Pawlowski, (2016). Fast Linear Solvers for Multifluid Continuum Plasma Simulations Nuclear Explosives Code Development Conference 2016 Document ID: 475367

Richard Michael Jack Kramer, Matthew Tyler Bettencourt, Keith Cartwright, Eric Christopher Cyr, John Henry Judah Niederhaus, Edward Geoffrey Phillips, Gregg Arthur Radtke, Allen C. Robinson, John N. Shadid, (2016). A Rigorous Verification Strategy for a Continuum Plasma Code Necdc Document ID: 464953

Tobias Albert Wiesner, John N. Shadid, Eric Christopher Cyr, Raymond S. Tuminaro, Jonathan J. Hu, (2016). Multigrid framework for multiphysics problems SIAM Annual Meeting 2016 https://www.osti.gov/search/identifier:1368650 Document ID: 464652

Matthew Tyler Bettencourt, Eric Christopher Cyr, Roger P. Pawlowski, Richard Michael Jack Kramer, Edward Geoffrey Phillips, John N. Shadid, Allen C. Robinson, (2016). Performance Portable Assembly For Plasma Fluid Equations eccomas https://www.osti.gov/search/identifier:1368901 Document ID: 464110

Matthew Tyler Bettencourt, Eric Christopher Cyr, Roger P. Pawlowski, Richard Michael Jack Kramer, Edward Geoffrey Phillips, John N. Shadid, Allen C. Robinson, (2016). Performance Portable Assembly For Plasma Fluid Equations eccomas https://www.osti.gov/search/identifier:1368847 Document ID: 463878

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2016). Efficient Solution Methods for Electromagnetics and Multifluid Plasma Models European Congress on Computational Methods in Applied Sciences and Engineering https://www.osti.gov/search/identifier:1368826 Document ID: 463792

Gregory John von Winckel, Eric Christopher Cyr, Drew Philip Kouri, Denis Ridzal, Thomas Anthony Gardiner, John N. Shadid, (2016). Reduced and Full Space Methods in Topology Optimization: Applications in Linear Elasticity and Electrical Conduction Fourteenth Copper Mountain Conference On Iterative Methods https://www.osti.gov/search/identifier:1364862 Document ID: 430217

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2016). Block Solvers for Implicit Electromagnetic and Plasma Simulations 14th Copper Mountain Conference on Iterative Methods https://www.osti.gov/search/identifier:1348097 Document ID: 430066

Xujiao Gao, Denis Mamaluy, Eric Christopher Cyr, Matthew Marinella, (2016). Comprehensive Assessment of Oxide Memristors as Post-CMOS Memory and Logic Devices ECS Transactions https://www.osti.gov/search/identifier:1257786 Document ID: 409673

Timothy Michael Wildey, Eric Christopher Cyr, John N. Shadid, Bart G van Bloemen Waanders, Drew Philip Kouri, Joseph E. Bishop, Simon Tavener, Troy Butler, Serge Prudhomme, Clint Dawson, (2016). Utilizing Adjoint-Based Techniques to Improve the Accuracy and Reliability in Uncertainty Quantification Research Collaboration WorkshopOptimization and Uncertainty Quantification in Energy and Industrial Applications https://www.osti.gov/search/identifier:1345103 Document ID: 408643

Xujiao Gao, Denis Mamaluy, Eric Christopher Cyr, Matthew Marinella, (2016). Fully-coupled Thermo-electrical Modeling of Oxide-based Memristors 58th Electronic Materials Conference Document ID: 397344

Thomas benson, James Adler, Eric Christopher Cyr, Scott Maclachlan, Raymond S. Tuminaro, (2016). Monolithic Multigrid for a B-field Incompressible, Resistive Magnetohydrodynamics Model Fourteenth Copper Mountain Conference on Iterative Methods https://www.osti.gov/search/identifier:1341371 Document ID: 387088

Paul Lin, John N. Shadid, Jonathan J. Hu, Roger P. Pawlowski, Eric Christopher Cyr, Andrey V Prokopenko, Paul Tsuji, (2016). Aspects of Large-scale Fully-coupled AMG Preconditioned FE Magnetohydrodynamic Simulations Enabled Through Trilinos World Congress on Computational Mechanics Document ID: 376318

Denis Ridzal, Eric Christopher Cyr, Mona Hajghassem (University of Maryland Baltimore County ), (2015). A time-parallel method for the solution of PDE-constrained optimization problems https://www.osti.gov/search/identifier:1430466 Document ID: 365967

Xujiao Gao, Denis Mamaluy, Eric Christopher Cyr, Matthew Marinella, (2015). Comprehensive assessment of oxide memristors as post-CMOS memory and logic devices 229th ECS Meeting Document ID: 365637

Eric Christopher Cyr, John N. Shadid, Edward Geoffrey Phillips, Roger P. Pawlowski, Ben (UIUC) Seefeldt, (2015). Construction of Mixed Formulations and Scalable Preconditioners for Magnetohydrodynamics Seminar at the XPACC Center at UIUC https://www.osti.gov/search/identifier:1336272 Document ID: 365350

James H. (Tufts University) Adler, Thomas R. (Tufts University) Benson, Eric Christopher Cyr, Scott P. (Memorial University of Newfoundland) MacLachlan, Raymond S. Tuminaro, (2015). Monolithic Multigrid Methods For Two-dimensional Resistive Magnetohydrodynamics SIAM Journal on Scientific Computing https://www.osti.gov/search/identifier:1263651 Document ID: 343004

Keith Cartwright, Gregg Arthur Radtke, Eric Christopher Cyr, (2015). Uncertainty Estimation Applied to Verification and Validation (V&V) Frontiers in Computing and Data Science https://www.osti.gov/search/identifier:1506761 Document ID: 321408

Timothy Michael Wildey, John N. Shadid, Eric Christopher Cyr, John Davis Jakeman, Troy Butler, (2015). Adjoint-Based a Posteriori Error Estimation and Uncertainty Quantification for Transient Nonlinear Problems with Discontinuous Solutions Numerical Methods for Large-Scale Nonlinear Problems and Their Applications https://www.osti.gov/search/identifier:1323036 Document ID: 320824

Timothy Michael Wildey, John Davis Jakeman, Troy Butler, Eric Christopher Cyr, John N. Shadid, (2015). Adjoint-Based a Posteriori Error Estimation and Uncertainty Quantification for Shock-Hydrodynamic Applications US National Congress on Computational Mechanics https://www.osti.gov/search/identifier:1279685 Document ID: 318828

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, Roger P. Pawlowski, (2015). Block Preconditioners for Magnetohydrodynamics With Mixed Discretizations International Conference On Preconditioning Techniques For Scientific And Industrial Applications https://www.osti.gov/search/identifier:1257561 Document ID: 286770

Edward Geoffrey Phillips, John N. Shadid, Eric Christopher Cyr, (2015). Block Preconditioners for Resistive MHD in Vector Potential Form VI International Conference on Coupled Problems in Science and Engineering https://www.osti.gov/search/identifier:1258166 Document ID: 275720

Eric Christopher Cyr, John N. Shadid, Timothy Michael Wildey, David M. Hensinger, Allen C. Robinson, William J. Rider, Guglielmo (Duke) Scovazzi, (2015). IMEX Lagrangian Methods Coupled Problems 2015 https://www.osti.gov/search/identifier:1253301 Document ID: 275497

Paul Lin, John N. Shadid, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, Andrey V Prokopenko, (2015). Fully-coupled Algebraic Multigrid Preconditioning Performance for Finite Element Resistive Magnetohydrodynamics Coupled Problems 2015 https://www.osti.gov/search/identifier:1252928 Document ID: 265314

Timothy Michael Wildey, John N. Shadid, Eric Christopher Cyr, Paul Constantine, (2015). Enabling Efficient Uncertainty Quantification Using Adjoint-based Techniques https://www.osti.gov/search/identifier:1179153 Document ID: 264484

Paul Lin, John N. Shadid, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, Andrey V Prokopenko, (2015). On the Performance of Fully-Coupled Algebraic Multigrid Preconditioning at Large-Scale: Application to FEM CFD/MHD 1st Pan-American Congress on Computational Mechanics (PANACM 2015) https://www.osti.gov/search/identifier:1249295 Document ID: 264606

Irina Demeshko, Andrew Michael Bradley, Eric Christopher Cyr, Harold C. Edwards, Michael A. Heroux, Eric T. Phipps, Andrew G. Salinger, (2015). A Kokkos Implementation of Albany: A Performance Portable Multiphysics Simulation Code Siam Cse15 https://www.osti.gov/search/identifier:1331664 Document ID: 232713

Paul Lin, John N. Shadid, Jonathan J. Hu, Eric Christopher Cyr, Roger P. Pawlowski, Andrey V Prokopenko, (2015). Performance of Algebraic Multigrid Preconditioners for Large-Scale Finite Element Simulations Siam Cse 2015 https://www.osti.gov/search/identifier:1244447 Document ID: 232789

Timothy Michael Wildey, Eric Christopher Cyr, John N. Shadid, (2015). Utilizing Adjoint-Based Techniques to Effectively Perform UQ on Discontinuous Responses SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1246277 Document ID: 232332

Irina Demeshko, Eric Christopher Cyr, (2015). Scalable Finite Element Assembly Siam Cse15 https://www.osti.gov/search/identifier:1246851 Document ID: 232307

Eric Christopher Cyr, Matthew Tyler Bettencourt, Irina Demeshko, Roger P. Pawlowski, (2015). Architecture Portable Threaded Assembly for Maxwell’s Equations SIAM Computational Science and Engineering https://www.osti.gov/search/identifier:1247087 Document ID: 232402

Edward Geoffrey Phillips, Eric Christopher Cyr, John N. Shadid, (2015). Block Preconditioners for 3D Incompressible MHD with Mixed Finite Elements 2015 SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1241290 Document ID: 232390

Eric Christopher Cyr, Eric T. Phipps, Michael A. Heroux, Jed (ANL) Brown, Ethan T. (LANL) Coon, Mark Frederick Hoemmen, Robert C. (Baylor) Kirby, Tzanio V. (LLNL) Kolev, James C. (University of Utah) Sutherland, Christian Robert Trott, (2015). Algorithms and Abstractions for Assembly in PDE Codes: Workshop Report https://www.osti.gov/search/identifier:1504610 Document ID: 221004

John N. Shadid, Roger P. Pawlowski, Eric Christopher Cyr, Raymond S. Tuminaro, Luis Chacon, Paula D. Weber, (2014). Scalable Implicit Incompressible Resistive MHD with Stabilized FE and Fully-coupled Newton-Krylov-AMG Computer Methods in Applied Mechanics and Engineering https://www.osti.gov/search/identifier:1310309 Document ID: 219034

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