Curtis C. Ober

Computational Science

Author profile picture

Computational Science

ccober@sandia.gov

(505) 844-1846

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

Biography

Curt has extensive experience with seismic imaging, full-waveform inversion, verification, time-integration, and discontinuous Galerkin methods.

Additionally, he has a diverse background in computational dynamics, including computational fluid dynamics in the areas of

  • Shock physics
  • Supersonic and hypersonic flow
  • Supersonic wakes

Education

  • 1/1991-5/1994 University of Texas at Austin, Austin, Texas, PhD.
  • 8/1989-12/1990 New Mexico State University, Las Cruces, N.M, MSME
  • 181983-5/1989 New Mexico State University, Las Cruces, N.M, BSME

Publications

Curtis C. Ober, (2022). Sandia ATDM: Applications and Components 2022 Exascale Computing Project Annual Meeting (Virtual) Document ID: 1516728

Curtis C. Ober, Roger P. Pawlowski, Sidafa Conde, Irina Kalashnikova Tezaur, Eric T. Phipps, Edward Geoffrey Phillips, Alejandro Mota, Greg Phlipot, Denis Ridzal, Michael Alan Hansen, Travis C. Fisher, (2018). Tempus Time-Integration Package & Applications Trilinos User-Developer Group Meeting 2018 https://www.osti.gov/search/identifier:1593047 Document ID: 888164

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

Micheal W. Glass, Matthew Tyler Bettencourt, Matthew Scot Swan, Jonathan J. Hu, Curtis C. Ober, Craig D. Ulmer, (2018). ASC/ATDM FY18 L2 Milestone #6358, Final Review: Assess Status of Next Generation Components and Physics Models in EMPIRE FY18 ASC/ATDM L2 Milestone Review #6358 Document ID: 854522

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

Curtis C. Ober, (2017). Capability and Application Highlights for HPC in the Center for Computing Research Pioneer Natural Resources, Oak Ridge National Laboratories, and Sandia National Laboratories Workshop https://www.osti.gov/search/identifier:1505904 Document ID: 579031

Curtis C. Ober, Roscoe Bartlett, Todd S. Coffey, Roger P. Pawlowski, (2017). Rythmos: Solution and Analysis Package for Differential-Algebraic and Ordinary-Differential Equations https://www.osti.gov/search/identifier:1364461 Document ID: 567243

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

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

Curtis C. Ober, Thomas M. Smith, James R. Overfelt, Samuel Scott Collis, Gregory John von Winckel, Bart G van Bloemen Waanders, Nathan John Downey, Scott A. Mitchell, Stephen D Bond, David F. Aldridge, Jerome R. (ExxonMobil) Krebs, (2016). Visco-TTI-Elastic FWI using Discontinuous Galerkin Society of Exploration Geophysicists 86th Annual Meeting https://www.osti.gov/search/identifier:1400043 Document ID: 531480

Jerome R. (ExxonMobil) Krebs, Curtis C. Ober, Thomas M. Smith, James R. Overfelt, Samuel Scott Collis, Gregory John von Winckel, Bart G van Bloemen Waanders, Nathan John Downey, David F. Aldridge, (2016). Synthetic study of raw-data FWI applied to visco-TTI-elastic data Society of Exploration Geophysicists 86th Annual Meeting https://www.osti.gov/search/identifier:1400042 Document ID: 530887

David G. Moore, Ciji L. Nelson, Curtis C. Ober, Phil Rodacy, (2016). Wave Speed Propagation Measurements on Highly Attenuative Heated Materials AWE Aldermaston, Reading, Martin Hillier https://www.osti.gov/search/identifier:1514532 Document ID: 453644

Kristin Eileen Phillips-Alonge, Hunter Anne Knox, Leiph Preston, Curtis C. Ober, (2016). Full waveform source inversions for SPE data: results, challenges, and lessons learned Seismological Society of America Annual meeting https://www.osti.gov/search/identifier:1365250 Document ID: 431768

Kristin Eileen Phillips-Alonge, Hunter Anne Knox, Curtis C. Ober, (2016). SPE5 Far-field Waveform Predictions Using Full Waveform Inversion SPE SME modelers workshop https://www.osti.gov/search/identifier:1366682 Document ID: 430719

Curtis C. Ober, Thomas M. Smith, James R. Overfelt, Samuel Scott Collis, Gregory John von Winckel, Bart G van Bloemen Waanders, Nathan John Downey, Scott A. Mitchell, Stephen D Bond, David F. Aldridge, Jerome R. (ExxonMobil) Krebs, (2016). Visco-TTI-Elastic FWI using Discontinuous Galerkin Society of Exploration Geophysicists 86th Annual Meeting Document ID: 430469

Jerome R. (ExxonMobil) Krebs, Curtis C. Ober, Thomas M. Smith, James R. Overfelt, Samuel Scott Collis, Gregory John von Winckel, Bart G van Bloemen Waanders, Nathan John Downey, David F. Aldridge, (2016). Synthetic study of raw-data FWI applied to visco-TTI-elastic data Society of Exploration Geophysicists 86th Annual Meeting Document ID: 430471

Kristin Eileen Phillips-Alonge, Hunter Anne Knox, Curtis C. Ober, Robert Abbott, (2016). Source Characterization and Prediction of SPE5 from Full Waveform Inversions of SPE2, SPE3, and SPE4prime Seismological Society of America 2016 Annual Meeting Document ID: 376396

Kristin Eileen Phillips-Alonge, Hunter Anne Knox, Curtis C. Ober, Robert Abbott, (2015). Full waveform inversion methods for source and media characterization before and after SPE5 American Geophysical Union Fall Meeting https://www.osti.gov/search/identifier:1504076 Document ID: 365476

Kristin Eileen Phillips-Alonge, Hunter Anne Knox, Curtis C. Ober, Robert Abbott, (2015). Full waveform inversion methods for source and media characterization before and after SPE5 State of Analysis Review Document ID: 319751

Kristin Eileen Phillips-Alonge, Hunter Anne Knox, Curtis C. Ober, Robert E Abbott, (2015). Full waveform inversion methods for source and media characterization before and after SPE5 American Geophysical Union Document ID: 319040

Bart G van Bloemen Waanders, Curtis C. Ober, (2015). Extreme Scale Infrasound Inversion and Prediction for Weather Characterization and Acute Event Detection https://www.osti.gov/search/identifier:1734475 Document ID: 306867

David G. Moore, Curtis C. Ober, Philip J. Rodacy, Ciji L. Nelson, (2015). Wave Speed Propagation Measurements on Highly Attenuative Heated Materials Physics Procedia Science Direct Elsevier https://www.osti.gov/search/identifier:1333912 Document ID: 286294

David G. Moore, Curtis C. Ober, Philip J. Rodacy, Ciji L. Nelson, (2015). Wave Speed Propagation Measurements on Highly Attenuative Heated Materials 2015 International Congress on Ultrasonics https://www.osti.gov/search/identifier:1252435 Document ID: 265084

David G. Moore, Curtis C. Ober, Philip J. Rodacy, Ciji L. Nelson, (2015). Wave Speed Propagation Measurements on Highly Attenuative Heated Materials 2015 International Congress on Ultrasonics https://www.osti.gov/search/identifier:1507054 Document ID: 264479

David G. Moore, Curtis C. Ober, Philip J. Rodacy, Ciji L. Nelson, (2015). Wave Speed Propagation Measurements on Highly Attenuative Heated Materials 2015 International Congress on Ultrasonics Document ID: 232475

Curtis C. Ober, (2014). Development of High-Performance Computing Capabilities for Non-Invasive Testing of Nuclear Weapons Systems – CCC6 Results ASC Cielo Capability Computing Campaign 6 – Results https://www.osti.gov/search/identifier:1502621 Document ID: 154922

V. Gregory Weirs, Allen C. Robinson, Curtis C. Ober, Jeffrey W. Banks, Edward Love, Guglielmo Scovazzi, John N. Shadid, Heath L. Hanshaw, Raymond W. Lemke, (2014). Algorithm Developments in Alegra Guided by Testing International Multimaterial Conference https://www.osti.gov/search/identifier:1266291 Document ID: 5255098

Curtis C. Ober, (2014). Development High-Performance Computing Capabilities for Non-Invasive Testing of Nuclear Weapons Systems – CCC7 ASC Cielo Capability Computing Campaign 7 https://www.osti.gov/search/identifier:1496923 Document ID: 132924

Curtis C. Ober, Thomas M. Smith, Bart G van Bloemen Waanders, Samuel Scott Collis, (2014). Large Scale Optimization for Non-Invasive Testing With Discontinuous Galerkin Methods 11th. World Congress on Computational Mechanics (WCCM2014) https://www.osti.gov/search/identifier:1496527 Document ID: 132605

Allen C. Robinson, Otto Erik Strack, William J. Rider, John Walter, Kristi Brislawn, Edward Love, Thomas E. Voth, Stewart John Mosso, John Henry Judah Niederhaus, Sharon Petney, Richard R. Drake, V. Gregory Weirs, Brian M. Adams, Dena Vigil, John H. Carpenter, Christopher J. Garasi, Michael K. Wong, Joshua Robbins, Christopher Siefert, Ann Elisabet Wills, Susan carroll, Duane LaBreche, Chris Kueny, Chris Luchini, Timothy G. Trucano, Pavel B. Bochev, Randall M. Summers, James R. Stewart, Curtis C. Ober, Thomas A. Haill, Raymond W. Lemke, Kyle Cochrane, Michael P. Desjarlais, (2013). ALEGRA Update: Modernization and Resilience Progress Multimat2013 https://www.osti.gov/search/identifier:1115141 Document ID: 5327018

Kyle Richard Jones, Hunter Anne Knox, Bart G van Bloemen Waanders, Curtis C. Ober, Louis Romero, Roger Waxler, (2013). Copy of Designing a continuous infrasound resonator source for fine scale sampling of atmospheric properties Senior Review Pannel (DTRA) https://www.osti.gov/search/identifier:1661756 Document ID: 5324145

Samuel Scott Collis, Curtis C. Ober, Bart G van Bloemen Waanders, (2012). Unstructured Discontinuous Galerkin for Seismic Inversion SEG International Exposition and 80th Annual Meeting https://www.osti.gov/search/identifier:1282172 Document ID: 5287696

Samuel Scott Collis, Curtis C. Ober, James R. Overfelt, Thomas M. Smith, Joseph G Young, (2011). Large Scale Inversion using a Discontinuous Galerkin Method for Geophysics SIAM Computational Science and Engineering https://www.osti.gov/search/identifier:1109159 Document ID: 5292163

Samuel Scott Collis, Curtis C. Ober, James R. Overfelt, Hans Schwaiger, (2010). Elastic Wave Propagation in Variable Media using a Discontinuous Galerkin Method Society of Exploration Geophysicists International Exposition and 80th Annual Meeting https://www.osti.gov/search/identifier:1028440 Document ID: 5288290

Samuel Scott Collis, Curtis C. Ober, Bart G van Bloemen Waanders, (2010). Unstructured Discontinuous Galerkin for Seismic Inversion SEG International Exposition and 80th Annual Meeting https://www.osti.gov/search/identifier:992319 Document ID: 5281462

Thomas M. Smith, Samuel Scott Collis, Curtis C. Ober, James R. Overfelt, Hans Schwaiger, (2010). Elastic Wave Propagation in Variable Media using a Discontinuous Galerkin Method SEG International Exposition and 80th Annual Meeting https://www.osti.gov/search/identifier:992317 Document ID: 5281466

Malcolm D. Siegel, Curtis C. Ober, (2008). A Code Verification Checklist Software Engineering Seminar Series https://www.osti.gov/search/identifier:1709044 Document ID: 5262296

Malcolm D. Siegel, Curtis C. Ober, (2007). A Manufactured Solution for Verifying CFD Boundary Conditions 34th AIAA Fluid Dynamics Conference and Exhibit https://www.osti.gov/search/identifier:957272 Document ID: 5223320

Thomas M. Smith, Russell Hooper, Curtis C. Ober, Alfred Lorber, (2007). A Comparison of Edge-Based Scheme Newton-Krylov Method Operators for Solving Compressible Flows SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:946994 Document ID: 5229803

Malcolm D. Siegel, Ryan B. Bond, Curtis C. Ober, (2007). Manufactured Solutions for Verifying CFD Boundary Conditions ASC V&V Trilabs Workshop https://www.osti.gov/search/identifier:989352 Document ID: 5229363

Malcolm D. Siegel, Curtis C. Ober, (2007). A Manufactured Solution for Verifying CFD Boundary Conditions, Part II 43rd AIAA Aerospace Sciences Meeting and Exhibit https://www.osti.gov/search/identifier:952160 Document ID: 5228512

Thomas M. Smith, Russell Hooper, Curtis C. Ober, Alfred Lorber, (2007). Intelligent Nonlinear Solvers for Computational Fluid Dynamics AIAA Aerospace Sciences Meeting and Exhibit https://www.osti.gov/search/identifier:902575 Document ID: 5239076

Russell Hooper, Thomas M. Smith, Curtis C. Ober, (2007). Enabling Fluid-Structural Strong Thermal Coupling Within a Multi-Physics Environment AIAA Annual Meeting https://www.osti.gov/search/identifier:902570 Document ID: 5239028

Russell Hooper, Thomas M. Smith, Curtis C. Ober, (2007). Enabling Fluid-Structural Strong Thermal Coupling Within a Multi-Physics Environment American Institute of Aeronautics and Astronautics https://www.osti.gov/search/identifier:900036 Document ID: 5239004

Thomas M. Smith, Russell Hooper, Curtis C. Ober, Alfred Lorber, (2007). Intelligent Nonlinear Solvers for Computational Fluid Dynamics 44th AIAA Aerospace Sciences Meeting and Exhibit https://www.osti.gov/search/identifier:900032 Document ID: 5239006

John N. Shadid, Curtis C. Ober, David L. Ropp, (2006). Studies of the accuracy of time integration methods for reaction-diffusion equations Journal of Computational Physics Document ID: 5246598

Malcolm D. Siegel, Curtis C. Ober, Ryan B. Bond, (2006). Measuring Progress in Order-Verification 7th World Congress in Computational Mechanics https://www.osti.gov/search/identifier:892774 Document ID: 5244128

George A Samara, Samuel Scott Collis, Eric R. Keiter, Curtis C. Ober, Thomas M. Smith, Volkan Akcelik, Omar Ghattas, Judith Hill, Martin Berggren, Matthias Heinkenschloss, Lucas Wilcox, (2005). Sensitivity Technologies for Large Scale Simulation https://www.osti.gov/search/identifier:921606 Document ID: 5228150

John N. Shadid, Curtis C. Ober, David Lawrence Ropp, (2004). Split Personality of Operator Splitting Methods: Examples from Diffusion/Reactions Systems Copper Mountain Conference on Iterative Methods https://www.osti.gov/search/identifier:921606 Document ID: 5221893

John N. Shadid, Curtis C. Ober, David Lawrence Ropp, (2004). On the Accuracy and Stability of Common Operator Splitting Methods: Applications from Diffusion/Reaction Systems DOE/ASCI Workshop on Methods for Computational Physics and Modern Software Practices https://www.osti.gov/search/identifier:921606 Document ID: 5221895

John N. Shadid, Andrew G. Salinger, Roger P. Pawlowski, Gary L. Hennigan, Curtis C. Ober, (2002). Finite Element Simulatons of Transport/Reaction Systems: Algorithms and Applications Presented at MICS/BES Review at Sandia Livermore – Combution Research Facility https://www.osti.gov/search/identifier:921606 Document ID: 4242700

Christopher J. Roy, Thomas M. Smith, Curtis C. Ober, (2002). Verification of a Compressible CFD Code Using the Method of Manufactured Solutions 32nd AIAA Fluid Dynamics Conference https://www.osti.gov/search/identifier:921606 Document ID: 4363600

Thomas M. Smith, Curtis C. Ober, Alfred Lorber, (2002). SIERRA/Premo-A New General Purpose Compressible Flow Simulation Code AIAA 32nd Fluid Dynamics Conference https://www.osti.gov/search/identifier:921606 Document ID: 4363900

Thomas M. Smith, Curtis C. Ober, Alfred Lorber, (2002). SIERRA/Premo – A New General Purpose Compressible Flow Simulation Code AIAA 32nd Fluid Dynamics Conference https://www.osti.gov/search/identifier:921606 Document ID: 4368000

John N. Shadid, Thomas M. Smith, Gary L. Hennigan, Andrew G. Salinger, Roger P. Pawlowski, Curtis C. Ober, (2002). Stabilized Finite Element Simulations of Large-Scale Reacting Flow Applications 9th International Conference on Numerical Combustion https://www.osti.gov/search/identifier:921606 Document ID: 4259500

Alfred Lorber, Curtis C. Ober, Thomas M. Smith, Steven N. Kempka, (2002). Premo Development Status https://www.osti.gov/search/identifier:921606 Document ID: 4396000

Thomas M. Smith, Curtis C. Ober, Alfred Lorber, (2001). SIERRA/Premo-A New General Purpose Compressible Flow Simulation Code 32 AIAA Fluid Dynamics Conference https://www.osti.gov/search/identifier:921606 Document ID: 4079900

Showing Results. Show More Publications

Patents

2003

Barnette, Daniel W, Curtis C. Ober, Patent, "Multiprocessor Computer Overset Grid Method and Apparatus," No. 6,519,553, February 11, 2003.

2000

Ghiglia, Dennis, Curtis C. Ober, Louis Romero, Patent, "Method of migrating seismic records," No. 6,021,094, February 1, 2000.

Projects

Trilinos

Software

DGM
Trilinos

Awards & Recognition

1999

Curtis Ober, David E. Womble, Louis Romero, Ron A. Oldfield, Robert Gjertsen, IBM, R&D 100 Award, Salvo - Seismic Imaging Software, R&D Magazine, September 1, 1999