Khachik Sargsyan

Farid Ghahari, Khachik Sargsyan, Mehmet Celebi, Ertugrul Taciroglu, (2022). Quantifying modeling uncertainty in simplified beam models for building response prediction Structural Control and Health Monitoring https://doi.org/10.1002/stc.3078 Publication ID: 80058

T. Younkin, Khachik Sargsyan, Tiernan Casey, Habib Najm, J. Canik, D. Green, R. Doerner, D. Nishijima, M. Baldwin, J. Drobny, D. Curreli, B. Wirth, (2022). Quantification of the effect of uncertainty on impurity migration in PISCES-A simulated with GITR Nuclear Fusion https://doi.org/10.1088/1741-4326/ac2bfa Publication ID: 80875

Khachik Sargsyan, Cosmin Safta, Luke Boll, Katherine Johnston, Mohammad Khalil, Kamaljit Chowdhary, Prashant Rai, Tiernan Casey, Xiaoshu Zeng, Bert Debusschere, (2022). UQTk Version 3.1.2 User Manual https://doi.org/10.2172/1855040 Publication ID: 79950

Habib Najm, Khachik Sargsyan, Kyungjoo Kim, C. Goldsmith, Richard West, Eric Bylaska, David Bross, Branko Ruscic, Cosmin Safta, Judit Zador, Christopher Blais, Katrín Blöndal, Oscar Diaz-Ibarra, Eric Hermes, Emily Mazeau, (2021). Exascale Catalytic Chemistry (ECC) https://doi.org/10.2172/1890393 Publication ID: 76037

Eric Hermes, Katrin Blondal, Bjarne Kreitz, Khachik Sargsyan, Habib Najm, Judit Zador, C. Goldsmith, Richard West, (2021). Application of a Novel Saddle Point Optimization Algorithm on Surface Reactions Involving Bidentate Adsorbates https://doi.org/10.2172/1890874 Publication ID: 76044

Valeriy Ivanov, Donghui Xu, M. Dwelle, Khachik Sargsyan, (2021). Breaking Down the Computational Barriers to Real-Time Urban Flood Forecasting Geophysical Research Letters https://doi.org/10.1029/2021gl093585 Publication ID: 80939

Katrín Blöndal, Khachik Sargsyan, David Bross, Branko Ruscic, C. Goldsmith, (2021). Adsorbate Partition Functions via Phase Space Integration: Quantifying the Effect of Translational Anharmonicity on Thermodynamic Properties Journal of Physical Chemistry C https://doi.org/10.1021/acs.jpcc.1c04009 Publication ID: 80869

Eric Hermes, Khachik Sargsyan, Habib Najm, Judit Zador, (2021). Geometry optimization speedup through a geodesic approach to internal coordinates Journal of Chemical Physics https://doi.org/10.1063/5.0060146 Publication ID: 75381

Khachik Sargsyan, Katherine Johnstone, Varuni Dantanarayana, Habib Najm, (2021). Active Learning and Uncertainty Quantification for Machine Learning Interatomic Potentials https://doi.org/10.2172/1890912 Publication ID: 75904

Bjarne Kreitz, Khachik Sargsyan, Emily Mazeau, Katrin Blondal, Richard West, Gregor Wehinger, Thomas Turek, Franklin Goldsmith, (2021). Quantifying the Impact of Parametric Uncertainty on Automatic Mechanism Generation for CO ₂ Hydrogenation on Ni(111) JACS Au https://doi.org/10.1021/jacsau.1c00276 Publication ID: 80885

Joshua Hudson, Khachik Sargsyan, Marta D’Elia, Habib Najm, (2021). Analysis of Neural Networks as Dynamical Systems https://doi.org/10.2172/1883507 Publication ID: 79301

Katrin Blondal, Khachik Sargsyan, David Bross, Branko Ruscic, C. Goldsmith, (2021). Including anharmonicity in adsorbate partition functions: Effect on equilibrium constant estimates in heterogeneous catalysis https://doi.org/10.2172/1863707 Publication ID: 78110

Khachik Sargsyan, Cosmin Safta, Ricciuto Daniel, (2021). Dimensionality Reduction and Physics-Informed Neural Networks for Climate Land Models https://doi.org/10.2172/1854072 Publication ID: 77435

Cosmin Safta, Khachik Sargsyan, John Jakeman, Alex Gorodetsky, (2021). Low-Rank Tensor Network Approximations for Earth System Model https://doi.org/10.2172/1854317 Publication ID: 77458

Jaideep Ray, Patrick Blonigan, Cosmin Safta, Khachik Sargsyan, (2021). Characterization of Partially Observed Epidemics Through Bayesian Inference – Application to COVID-19 Forecasts https://doi.org/10.2172/1842250 Publication ID: 75113

Cosmin Safta, Jaideep Ray, Khachik Sargsyan, (2020). Characterization of partially observed epidemics through Bayesian inference: application to COVID-19 Computational Mechanics https://doi.org/10.1007/s00466-020-01897-z Publication ID: 74505

Katrin Blondal, Khachik Sargsyan, David Bross, Eric Hermes, Habib Najm, Judit Zádor, C. Goldsmith, (2020). Including anharmonicity in adsorbate partition functions and how it affects theoretical parameter estimates for desorption of methanol from a Cu(111) surface https://doi.org/10.2172/1831569 Publication ID: 71767

Katherine Johnston, Luke Boll, Khachik Sargsyan, Cosmin Safta, Bert Debusschere, (2020). UQTk A C++/Python Toolkit for Uncertainty Quantification: Overview and Applications https://www.osti.gov/servlets/purl/1820270 Publication ID: 74786

Cosmin Safta, Khachik Sargsyan, John Jakeman, (2019). Uncertainty Quantification for E3SM Land Component using Low-Rank Surrogate Models https://www.osti.gov/servlets/purl/1643449 Publication ID: 66773

Vishagan Ratnaswamy, Cosmin Safta, Khachik Sargsyan, Ricciuto Ricciuto, (2019). Physics Informed Neural Network Surrogate for E3SM Land Model https://www.osti.gov/servlets/purl/1643429 Publication ID: 66804

Tiernan Casey, Khachik Sargsyan, Habib Najm, (2019). Uncertainty quantification workflows in fusion plasma surface interaction modeling https://www.osti.gov/servlets/purl/1643062 Publication ID: 66036

Habib Najm, Cosmin Safta, Xun Huan, Tiernan Casey, Khachik Sargsyan, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, Michael Eldred, Gianluca Geraci, (2019). Uncertainty Quantification in Computational Models of Large Scale Physical Systems https://www.osti.gov/servlets/purl/1641505 Publication ID: 70287

Vishagan Ratnaswamy, Khachik Sargsyan, Cosmin Safta, Daniel Ricciuto, (2019). Physics-driven RNN Approach for E3SM Land Model Surrogate Construction https://www.osti.gov/servlets/purl/1641516 Publication ID: 70310

Cosmin Safta, Timothy Reid, John Jakeman, Khachik Sargsyan, (2019). Approximating Data with Stochastic and Physical Dependence using the Functional Tensor Train Models https://www.osti.gov/servlets/purl/1641238 Publication ID: 69801

Tiernan Casey, Bert Debusschere, Michael Eldred, Gianluca Geraci, Roger Ghanem, John Jakeman, Youssef Marzouk, Habib Najm, Cosmin Safta, Khachik Sargsyan, (2019). FASTMath: UQ Algorithms https://www.osti.gov/servlets/purl/1641088 Publication ID: 69621

Habib Najm, Cosmin Safta, Xun Huan, Tiernan Casey, Khachik Sargsyan, Joseph Oefelein, Guilhem Lacaze, Michael Eldred, Gianluca Geraci, (2019). Uncertainty Quantification in Large Scale Computational Models https://www.osti.gov/servlets/purl/1641089 Publication ID: 69622

Khachik Sargsyan, Cosmin Safta, (2019). Surrogate-enabled Sensitivity Analysis and Parameter Inference of High-Dimensional Models https://www.osti.gov/servlets/purl/1641209 Publication ID: 69878

Khachik Sargsyan, Timothy Younkin, Tiernan Casey, Habib Najm, Brian Wirth, (2019). Uncertainty Quantification and Propagation for Impurity Migration https://www.osti.gov/servlets/purl/1643670 Publication ID: 68990

Cosmin Safta, Khachik Sargsyan, John Jakeman, Alex Gorodetsky, Daniel Ricciuto, (2019). Exploiting Model Structure for Forward Propagation of Uncertainty in Earth System Models https://www.osti.gov/servlets/purl/1640926 Publication ID: 69353

Panagiotis Tsilifis, Xun Huan, Cosmin Safta, Khachik Sargsyan, Guilhem Lacaze, Joseph Oefelein, Habib Najm, Roger Ghanem, (2019). Compressive sensing adaptation for polynomial chaos expansions Journal of Computational Physics https://doi.org/10.1016/j.jcp.2018.12.010 Publication ID: 58677

Cosmin Safta, Khachik Sargsyan, John Jakeman, Alex Gorodetsky, Daniel Ricciuto, (2019). Exploiting Low-Rank Structure for Sensitivity Analysis in Earth System Models https://www.osti.gov/servlets/purl/1639271 Publication ID: 67283

Xun Huan, Khachik Sargsyan, Habib Najm, (2019). Embedded Model Error Representation for Bayesian Model Calibration arXiv.org Repository https://www.osti.gov/servlets/purl/1529284 Publication ID: 58730

Kevin Carlberg, Sofia Guzzetti, Mohammad Khalil, Khachik Sargsyan, (2019). Large-Scale Uncertainty Propagation via Overlapping Domain Decomposition https://www.osti.gov/servlets/purl/1602394 Publication ID: 67151

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, (2019). UQTk A Flexible Python/C++ Toolkit for Uncertainty Quantification https://www.osti.gov/servlets/purl/1602639 Publication ID: 67187

Morgan Mayer, Judit Zador, Khachik Sargsyan, (2018). Uncertainty in master-equation-based rate coefficient calculations https://doi.org/10.2172/1531319 Publication ID: 59306

Khachik Sargsyan, Xun Huan, Habib Najm, (2018). Bayesian Framework for Embedded Model Error Representation and Quantification https://www.osti.gov/servlets/purl/1806614 Publication ID: 63235

Cosmin Safta, Xun Huan, Habib Najm, Khachik Sargsyan, Michael Eldred, Gianluca Geraci, (2018). Adaptive Sparse Quadrature for Multifidelity Scramjet Simulations https://www.osti.gov/servlets/purl/1569685 Publication ID: 63078

Khachik Sargsyan, (2018). Bayesian inference for model error quantification and propagation with UQTk https://www.osti.gov/servlets/purl/1570576 Publication ID: 63122

P. Rai, Khachik Sargsyan, Habib Najm, (2018). Compressed sparse tensor based quadrature for vibrational quantum mechanics integrals Computer Methods in Applied Mechanics and Engineering https://doi.org/10.1016/j.cma.2018.02.026 Publication ID: 61090

Bert Debusschere, Khachik Sargsyan, Ojas Parekh, (2018). Quantum Annealing Approaches for Building Sparse Surrogate Models in Uncertainty Quantification https://www.osti.gov/servlets/purl/1806634 Publication ID: 63222

Xun Huan, Khachik Sargsyan, Habib Najm, (2018). Choosing Embedding for Capturing Model Misspecification https://www.osti.gov/servlets/purl/1529749 Publication ID: 62692

Eric Hermes, Prashant Rai, Khachik Sargsyan, Judit Zador, Habib Najm, (2018). Optimization of low-rank tensor functional approximations https://www.osti.gov/servlets/purl/1525693 Publication ID: 62439

Cosmin Safta, Khachik Sargsyan, Daniel Ricciuto, (2018). Machine Learning Techniques for Global Sensitivity Analysis in Earth System Models https://www.osti.gov/servlets/purl/1524507 Publication ID: 62321

Joseph Kenny, Khachik Sargsyan, Samuel Knight, George Michelogiannakis, Jeremiah Wilke, (2018). The Pitfalls of Provisioning Exascale Networks: A Trace Replay Analysis for Understanding Communication Performance https://doi.org/10.1007/978-3-319-92040-5_14 Publication ID: 61906

Xun Huan, Cosmin Safta, Khachik Sargsyan, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Habib Najm, (2018). Compressive Sensing with Cross-Validation and Stop-Sampling for Sparse Polynomial Chaos Expansions https://doi.org/10.1137/17M1141096 Publication ID: 61717

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, Prashant Rai, Kamaljit Chowdhary, (2018). UQTk: A Flexible Python/C++ Toolkit for Uncertainty Quantification https://www.osti.gov/servlets/purl/1510846 Publication ID: 61718

Cosmin Safta, Xun Huan, Khachik Sargsyan, Habib Najm, Michael Eldred, Gianluca Geraci, (2018). Sparse multifidelity approximations for forward UQ https://www.osti.gov/servlets/purl/1510682 Publication ID: 61747

Xun Huan, Cosmin Safta, Khachik Sargsyan, Gianluca Geraci, Michael Eldred, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Habib Najm, (2018). Global Sensitivity Analysis and Estimation of Model Error, Toward Uncertainty Quantification in Scramjet Computations AIAA Journal https://doi.org/10.2514/1.J056278 Publication ID: 57736

Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Kamaljit Chowdhary, (2018). UQTk: A C++/Python Uncertainty Quantification Toolkit https://www.osti.gov/servlets/purl/1497545 Publication ID: 60786

Daniel Ricciuto, Khachik Sargsyan, Peter Thornton, (2018). The Impact of Parametric Uncertainties on Biogeochemistry in the E3SM Land Model Journal of Advances in Modeling Earth Systems https://doi.org/10.1002/2017MS000962 Publication ID: 54911

Habib Najm, Bert Debusschere, Neil Sparks, Khachik Sargsyan, Xun Huan, Joseph Oefelein, Zachary Vane, Michael Eldred, Gianluca Geraci, O. Knio, I. Sraj, G. Scovazzi, O. Colomes, Y. Marzouk, O. Zahm, F. Menhorn, R. Ghanem, P. Tsilifis, (2018). Uncertainty Quantification in LES Computations of Turbulent Multiphase Combustion in a Scramjet Engine ? ScramjetUQ ? https://www.osti.gov/servlets/purl/1572447 Publication ID: 60908

Cosmin Safta, Xun Huan, Gianluca Geraci, Michael Eldred, Khachik Sargsyan, Zachary Vane, Joseph Oefelein, Habib Najm, (2018). Multifidelity Statistical Analysis of Large Eddy Simulations in Scramjet Computations https://www.osti.gov/servlets/purl/1513486 Publication ID: 58676

Joseph Kenny, Khachik Sargsyan, Samuel Knight, George Michelogiannakis, Jeremiah Wilke, (2018). The pitfalls of provisioning exascale networks: A trace replay analysis for understanding communication performance Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) https://www.osti.gov/servlets/purl/1513495 Publication ID: 58690

Jeremiah Wilke, Joseph Kenny, Samuel Knight, Khachik Sargsyan, Sebastien Rumley, (2018). Compiler-assisted Source-to-Source Skeletonization of Application Models for System Simulation https://doi.org/10.1007/978-3-319-92040-5_7 Publication ID: 58691

Bert Debusschere, J. Templeton, Cosmin Safta, Khachik Sargsyan, Ali Pinar, Habib Najm, (2018). Predictive Fidelity of Machine Learning Methods Applied to Scientific Simulations https://www.osti.gov/servlets/purl/1513665 Publication ID: 58794

Xun Huan, Gianluca Geraci, Zachary Vane, Cosmin Safta, Michael Eldred, Joseph Oefelein, Habib Najm, Khachik Sargsyan, (2018). Multifidelity Statistical Analysis of Large Eddy Simulations in Scramjet Computations https://doi.org/10.2514/6.2018-1180 Publication ID: 58547

Bert Debusschere, J. Templeton, Cosmin Safta, Khachik Sargsyan, Ali Pinar, Habib Najm, (2018). Predictive Fidelity of Machine Learning Methods Applied to Scientific Simulations https://www.osti.gov/servlets/purl/1512381 Publication ID: 58575

Xun Huan, Gianluca Geraci, Cosmin Safta, Michael Eldred, Khachik Sargsyan, Zachary Vane, Joseph Oefelein, Habib Najm, (2018). Multifidelity Statistical Analysis of Large Eddy Simulations in Scramjet Computations https://doi.org/10.2514/6.2018-1180 Publication ID: 58602

Cosmin Safta, Khachik Sargsyan, Daniel Ricciuto, (2017). Machine Learning Techniques for Global Sensitivity Analysis in Earth System Models https://www.osti.gov/servlets/purl/1512022 Publication ID: 54660

Khachik Sargsyan, Cosmin Safta, Daniel Ricciuto, Peter Thornton, Habib Najm, Xun Huan, (2017). Embedded Model Error Representation and Propagation in Climate Models https://www.osti.gov/servlets/purl/1512030 Publication ID: 54686

Khachik Sargsyan, Cosmin Safta, Kamaljit Chowdhary, Sarah Castorena, Sarah de Bord, Bert Debusschere, (2017). UQTk Version 3.0.4 User Manual https://doi.org/10.2172/1813904 Publication ID: 53568

Prashant Rai, Khachik Sargsyan, Habib Najm, Matthew Hermes, So Hirata, (2017). Low-rank canonical-tensor decomposition of potential energy surfaces: application to grid-based diagrammatic vibrational Green’s function theory Molecular Physics https://doi.org/10.1080/00268976.2017.1288937 Publication ID: 52923

Bert Debusschere, Francesco Rizzi, Karla Morris, Khachik Sargsyan, Cosmin Safta, Habib Najm, Omar Knio, Paul Mycek, Andres Contreras, Le Olivier, (2017). Probabilistic Approach to Enable Extreme-Scale Simulations under Uncertainty and System Faults https://www.osti.gov/servlets/purl/1470926 Publication ID: 58435

Habib Najm, Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Xun Huan, Joseph Oefelein, Zachary Vane, Michael Eldred, G. Geraci, O. Knio, I. Sraj, G. Scovazzi, O. Colomes, Y. Marzouk, O. Zahm, F. Menhorn, R. Ghanem, P. Tsilifis, (2017). Uncertainty Quantification in LES Computations of Turbulent Multiphase Combustion in a Scramjet Engine https://www.osti.gov/servlets/purl/1574094 Publication ID: 58225

Bert Debusschere, Ali Pinar, Khachik Sargsyan, J. Templeton, Habib Najm, (2017). Predictive Fidelity Interpretability and Resilience of Machine Learning Methods Applied to Scientific Simulations https://www.osti.gov/servlets/purl/1508933 Publication ID: 58088

Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Kamaljit Chowdhary, (2017). Polynomial Chaos Based Uncertainty Quantification https://www.osti.gov/servlets/purl/1513464 Publication ID: 57773

Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Kamaljit Chowdhary, (2017). Polynomial Chaos Based Uncertainty Quantification https://www.osti.gov/servlets/purl/1463445 Publication ID: 57774

Habib Najm, Khachik Sargsyan, Xun Huan, Mohammad Khalil, Layal Hakim, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, (2017). Bayesian Estimation of Model Error in Physical Systems https://www.osti.gov/servlets/purl/1462640 Publication ID: 57594

Xun Huan, Khachik Sargsyan, Habib Najm, (2017). A Non-Intrusive Embedding Approach for Statistical Characterization of Model Error https://www.osti.gov/servlets/purl/1462642 Publication ID: 57596

Xun Huan, Khachik Sargsyan, Habib Najm, (2017). Bayesian Model Calibration with an Embedded Statistical Characterization of Model Error https://www.osti.gov/servlets/purl/1462643 Publication ID: 57597

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, Kenny Chowdhary, (2017). Uncertainty quantification toolkit (UQTk) Handbook of Uncertainty Quantification https://www.osti.gov/biblio/1234310 Publication ID: 45961

Karla Morris, Francesco Rizzi, Brandon Cook, Katryn Dahlgren, Khachik Sargsyan, Paul Mycek, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2017). A Resilient ULFM-based PDE Solver: Performance Scaling and Energy Analysis https://doi.org/10.1109/ScalA.2016.010 Publication ID: 56981

Francesco Rizzi, Karla Morris, Brandon Cook, Kathryn Dahlgren, Khachik Sargsyan, Paul Mycek, Olivier LeMaitre, Omar Knio, Bert Debusschere, (2017). Scaling and Energy Analysis for a Resilient ULFM-Based PDE Solver https://www.osti.gov/servlets/purl/1476821 Publication ID: 56982

Khachik Sargsyan, Cosmin Safta, Kamaljit Chowdhary, Sarah Castorena, Sarah de Bord, Bert Debusschere, (2017). UQTk Version 3.0.3 User Manual https://doi.org/10.2172/1367452 Publication ID: 56649

Karla Morris, Francesco Rizzi, Khachik Sargsyan, Kathryn Dahlgren, Bert Debusschere, Brandon Cook, Paul Mycek, Olivier Le Maître, Omar Knio, (2017). Performance Scaling Variability and Energy Analysis for a Resilient ULFM-based PDE Solver https://doi.org/10.1109/ScalA.2016.010 Publication ID: 56543

Xun Huan, Khachik Sargsyan, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Habib Najm, (2017). Quantifying Uncertainty from Model Error in Turbulent Combustion Applications https://www.osti.gov/servlets/purl/1456433 Publication ID: 55632

Habib Najm, Khachik Sargsyan, Xun Huan, L Hakim, Mohammad Khalil, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, (2017). Model Error and Statistical Calibration of https://www.osti.gov/servlets/purl/1426633 Publication ID: 55340

Xun Huan, Cosmin Safta, Gianluca Geraci, Michael Eldred, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Khachik Sargsyan, Habib Najm, (2017). Robust Compressive Sensing with Application to Multifidelity Analysis of Complex Turbulent Flows https://www.osti.gov/servlets/purl/1427446 Publication ID: 55202

Cosmin Safta, Myra Blaylock, J. Templeton, Stefan Domino, Khachik Sargsyan, Habib Najm, (2017). Uncertainty quantification in LES of channel flow International Journal for Numerical Methods in Fluids https://doi.org/10.1002/fld.4272 Publication ID: 41556

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Andres Contreras, Cosmin Safta, Olivier Le Maître, Omar Knio, Bert Debusschere, (2017). Partial Differential Equations Solver Resilient to Soft and Hard Faults https://www.osti.gov/servlets/purl/1424869 Publication ID: 55125

K. Morris, F. Rizzi, B. Cook, P. Mycek, O. LeMaitre, O. Knio, Khachik Sargsyan, K. Dahlgren, Bert Debusschere, (2017). Performance scaling variability and energy analysis for a resilient ULFM-based PDE solver Proceedings of ScalA 2016: 7th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems – Held in conjunction with SC16: The International Conference for High Performance Computing, Networking, Storage and Analysis https://www.osti.gov/servlets/purl/1408949 Publication ID: 47715

Xun Huan, Cosmin Safta, Khachik Sargsyan, Gianluca Geraci, Michael Eldred, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Habib Najm, (2017). Global Sensitivity Analysis and Quantification of Model Error for Large Eddy Simulation in Scramjet Design https://doi.org/10.2514/6.2017-1089 Publication ID: 52795

Mohammad Khalil, K. Chowdhary, Cosmin Safta, Khachik Sargsyan, Habib Najm, (2017). Inference of reaction rate parameters based on summary statistics from experiments Proceedings of the Combustion Institute https://doi.org/10.1016/j.proci.2016.08.058 Publication ID: 50088

Khachik Sargsyan, Cosmin Safta, Habib Najm, Bert Debusschere, Dan Ricciuto, Peter Thornton, (2016). Weighted Iterative Bayesian Compressive Sensing (WIBCS) for High Dimensional Polynomial Surrogate Construction https://www.osti.gov/servlets/purl/1576186 Publication ID: 48156

Xun Huan, Cosmin Safta, Khachik Sargsyan, Gianluca Geraci, Michael Eldred, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Habib Najm, (2016). Global Sensitivity Analysis and Quantification of Model Form Error for Large Eddy Simulation of Scramjet Design https://www.osti.gov/servlets/purl/1413414 Publication ID: 48116

Habib Najm, Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Xun Huan, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, Michael Eldred, Gianluca Geraci, Omar Knio, I. Sraj, G. Scovazzi, O. Colomes, Y. Marzouk, O. Zahm, F. Menhorn, R. Ghanem, P. Tsilifis, (2016). Uncertainty Quantification in LES Computations of Turbulent Multiphase Combustion in a Scramjet Engine ? ScramjetUQ ? https://www.osti.gov/servlets/purl/1420843 Publication ID: 47626

Kevin Carlberg, Shara Guzzetta, Mohammad Khalil, Khachik Sargsyan, (2016). Uncertainty Propagation in (large-scale) Networks via Domain Decomposition https://www.osti.gov/servlets/purl/1393766 Publication ID: 52227

Habib Najm, Khachik Sargsyan, Xun Huan, Mohammad Khalil, Layal Hakim, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, (2016). Uncertainty Quantification with Model Error https://www.osti.gov/servlets/purl/1397104 Publication ID: 52533

Habib Najm, Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Xun Huan, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, Michael Eldred, G. Geraci, O. Knio, I. Sraj, G. Scovazzi, O. Colomes, Y. Marzouk, O. Zahm, F. Augustin, F. Menhorn, R. Ghanem, P. Tsilifis, (2016). Uncertainty Quantification in LES Computations of Turbulent Multiphase Combustion in a Scramjet Engine https://www.osti.gov/servlets/purl/1397105 Publication ID: 52534

Khachik Sargsyan, Cosmin Safta, Kamaljit Chowdhary, Sarah Castorena, Sarah de Bord, Bert Debusschere, (2016). UQTk Version 3.0 User Manual https://doi.org/10.2172/1562399 Publication ID: 52322

Habib Najm, Khachik Sargsyan, Xun Huan, Layal Hakim, Joseph Oefelein, Guilhem Lacaze, Zachary Vane, (2016). Uncertainty Quantification with Model Error https://www.osti.gov/servlets/purl/1527218 Publication ID: 52156

Sarah Teichman, Khachik Sargsyan, (2016). Polynomial Surrogate Construction for Computational Models https://www.osti.gov/servlets/purl/1373064 Publication ID: 51257

Joseph Heindel, Prashant Rai, Ahren Jasper, Khachik Sargsyan, Habib Najm, (2016). Low-rank decomposition of potential energy surfaces for rovibrational properties at high energies https://www.osti.gov/servlets/purl/1373066 Publication ID: 51259

Habib Najm, Khachik Sargsyan, Xun Huan, J Bender, R Ghanem, (2016). On Model Error and Statistical Calibration of Physical Models https://www.osti.gov/servlets/purl/1529794 Publication ID: 51268

Karla Morris, Francesco Rizzi, Khachik Sargsyan, Kathryn Dahlgren, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). Scalability of Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults https://doi.org/10.1007/978-3-319-41321-1_24 Publication ID: 51019

Xun Huan, Cosmin Safta, Michael Eldred, Zachary Vane, Guilhem Lacaze, Joseph Oefelein, Khachik Sargsyan, Habib Najm, (2016). Global Sensitivity Analysis for Large Eddy Simulation Models https://www.osti.gov/servlets/purl/1372012 Publication ID: 51034

Mohammad Khalil, Kamaljit Chowdhary, Cosmin Safta, Khachik Sargsyan, Habib Najm, (2016). Inference of reaction rate parameters based on summary statistics from experiments https://doi.org/10.1016/j.proci.2016.08.058 Publication ID: 51426

Karla Morris, Francesco Rizzi, Khachik Sargsyan, Kathryn Dahlgren, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). Scalability of Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults https://doi.org/10.1007/978-3-319-41321-1_24 Publication ID: 50587

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). ULFM-MPI Implementation of a Resilient Task-Based Partial Differential Equations Preconditioner https://doi.org/10.1145/2909428.2909429 Publication ID: 50023

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). ULFM-MPI Implementation of a Resilient Task-Based Partial Differential Equations Preconditioner https://doi.org/10.1145/2909428.2909429 Publication ID: 49778

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). ULFM-MPI Implementation of a Resilient Task-Based Partial Differential Equations Preconditioner https://doi.org/10.2172/1561476 Publication ID: 49784

Karla Morris, Francesco Rizzi, Khachik Sargsyan, Kathryn Dahlgren, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). Scalability of Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults https://doi.org/10.2172/1561477 Publication ID: 49785

Khachik Sargsyan, Xun Huan, Habib Najm, Jason Bender, (2016). Density Estimation Framework for Model Error Quantification https://www.osti.gov/servlets/purl/1368714 Publication ID: 50301

Joseph Oefelein, Layal Hakim, Guilhem Lacaze, Mohammad Khalil, Khachik Sargsyan, Habib Najm, (2016). Parameter Estimation and Uncertainty Quantification in Turbulent Combustion Computations https://www.osti.gov/servlets/purl/1366683 Publication ID: 49208

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, Kamaljit Chowdhary, (2016). UQTk: A C++/Python Toolkit for Uncertainty Quantification https://www.osti.gov/servlets/purl/1530503 Publication ID: 49217

Khachik Sargsyan, (2016). Probabilistic Methods for Uncertainty Quantification in Computational Models https://www.osti.gov/servlets/purl/1365204 Publication ID: 49510

Karla Morris, Francesco Rizzi, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier LeMaitre, Omar Knio, Bert Debusschere, (2016). ULFM-MPI Implementation of a Resilient Task-Based Preconditioner for 2D Uncertain Elliptic PDEs https://www.osti.gov/servlets/purl/1365075 Publication ID: 49272

Mohammad Khalil, Habib Najm, Kamaljit Chowdhary, Cosmin Safta, Khachik Sargsyan, (2016). Probabilistic Inference of Model Parameters and Missing High-Dimensional Data Based on Summary Statistics https://www.osti.gov/servlets/purl/1618243 Publication ID: 49171

Khachik Sargsyan, Dan Ricciuto, Peter Thornton, Cosmin Safta, Bert Debusschere, Habib Najm, (2016). Quantifying the Impacts of Parametric Uncertainty on Biogeochemistry in the ACME Land Model https://www.osti.gov/servlets/purl/1366666 Publication ID: 49199

Khachik Sargsyan, Xun Huan, Habib Najm, (2016). Density Estimation Framework for Model Error Quantification https://www.osti.gov/servlets/purl/1366667 Publication ID: 49200

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). Exploring the Interplay of Resilience and Energy Consumption for a Task-Based Partial Differential Equations Preconditioner https://doi.org/10.2172/1561016 Publication ID: 48786

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Cosmin Safta, Paul Mycek, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). Interplay of Resilience and Energy Consumption for a Task-Based Partial Differential Equations Preconditioner https://www.osti.gov/servlets/purl/1346895 Publication ID: 48793

Habib Najm, Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Joseph Oefelein, Guilhem Lacaze, Michael Eldred, Omar Knio, G. Scovazzi, Y. Marzouk, R. Ghanem, (2016). Uncertainty Quantification in LES Computations of Turbulent Multiphase Combustion in a Scramjet Engine https://www.osti.gov/servlets/purl/1530652 Publication ID: 49101

Cosmin Safta, Kamaljit Chowdhary, Khachik Sargsyan, Bert Debusschere, (2016). Implementation of UQ Workflows with the C++/Python UQTk Toolkit https://www.osti.gov/servlets/purl/1618229 Publication ID: 49134

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). Quantifying Performance of a Resilient Elliptic PDE Solver on Uncertain Architectures using SST/macro https://www.osti.gov/servlets/purl/1530654 Publication ID: 49143

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2016). A Soft and Hard Faults Resilient Solver for 2D Elliptic PDEs via Server-Client Implementation https://www.osti.gov/servlets/purl/1618235 Publication ID: 49144

Bert Debusschere, Habib Najm, Khachik Sargsyan, Kamaljit Chowdhary, Don Lucas, Vera Bulaevskaya, Yun Qian, Steve Ghan, Daniele Rosa, Bill Collins, (2016). Calibration and Comparison of Climate Models: Accounting for Structural and Discretization Error [Poster] https://www.osti.gov/servlets/purl/1239394 Publication ID: 46817

Bert Debusschere, Habib Najm, Khachik Sargsyan, Kamaljit Chowdhary, Don Lucas, Vera Bulaevskaya, Yun Qian, Steve Ghan, Daniele Rosa, William Collins, (2015). Calibration and Comparison of Climate Models: Accounting for Structural and Discretization Error https://www.osti.gov/servlets/purl/1338030 Publication ID: 41809

Francesco Rizzi, Omar Knio, Reese Jones, Helgi Adalsteisson, Habib Najm, Khachik Sargsyan, Maher Salloum, Cosmin Safta, Bert Debusschere, (2015). UQ in Molecular Dynamics Simulations: Forward and Inverse Problem https://www.osti.gov/servlets/purl/1335540 Publication ID: 41880

Khachik Sargsyan, Cosmin Safta, Habib Najm, Bert Debusschere, Dan Ricciuto, Peter Thornton, (2015). Sparse Polynomial Chaos Surrogate for ACME Land Model via Iterative Bayesian Compressive Sensing https://www.osti.gov/servlets/purl/1335739 Publication ID: 41907

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier Le Maitre, Omar Knio, Bert Debusschere, (2015). Partial differential equations preconditioner resilient to soft and hard faults Proceedings – IEEE International Conference on Cluster Computing, ICCC https://doi.org/10.1007/978-3-319-41321-1_24 Publication ID: 49914

J. Templeton, Myra Blaylock, Stefan Domino, John Hewson, Pritvi Kumar, Julia Ling, Habib Najm, Anthony Ruiz, Cosmin Safta, Khachik Sargsyan, Alessia Stewart, Gregory Wagner, (2015). Calibration and Forward Uncertainty Propagation for Large-eddy Simulations of Engineering Flows https://doi.org/10.2172/1221181 Publication ID: 45562

Habib Najm, Khachik Sargsyan, Kamaljit Chowdhary, Mohammad Khalil, (2015). Computational Statistical Inverse Problems with Sparse or Missing Data https://www.osti.gov/servlets/purl/1312660 Publication ID: 45189

Khachik Sargsyan, Prashant Rai, Habib Najm, Matthew Hermes, So Hirata, (2015). Low Rank Approximation-based Quadrature for Fast Evaluation of Multi-Particle Integrals https://doi.org/10.2172/1221857 Publication ID: 45276

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier LeMaitre, Omar Knio, Bert Debusschere, (2015). Partial Differential Equations Preconditioner Resilient to Soft and Hard Faults https://doi.org/10.1109/CLUSTER.2015.103 Publication ID: 45303

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier LeMaitre, Omar Knio, Habib Najm, Bert Debusschere, (2015). Partial Differential Equations Solver Resilient to Soft and Hard Faults https://www.osti.gov/servlets/purl/1326569 Publication ID: 45304

Sarah de Bord, Bert Debusschere, Khachik Sargsyan, (2015). Performance of Numerical Integration Methods for High-Dimensional Functions https://www.osti.gov/servlets/purl/1340032 Publication ID: 44553

Michael Eldred, Bert Debusschere, Kamaljit Chowdhary, John Jakeman, Prashant Rai, Cosmin Safta, Khachik Sargsyan, (2015). Sandia Software Enabling Extreme-Scale Uncertainty Quantification https://www.osti.gov/servlets/purl/1266821 Publication ID: 44419

Bert Debusschere, John Jakeman, Kamaljit Chowdhary, Cosmin Safta, Khachik Sargsyan, P. Rai, R. Ghanem, O. Knio, O. La Maitre, J. Winokur, G. Li, O. Ghattas, R. Moser, C. Simmons, A. Alexanderian, J. Gattiker, D. Higdon, E. Lawrence, S. Bhat, Y. Marzouk, D. Bigoni, T. Cui, M. Parno, (2015). Quantification of Uncertainty in Extreme Scale Computations https://www.osti.gov/servlets/purl/1328212 Publication ID: 44684

Prashant Rai, Khachik Sargsyan, Habib Najm, So Hirata, Hermes Matthew, (2015). Low Rank Approximation-based Quadrature for Fast Evaluation of Multi-Particle Integrals https://www.osti.gov/servlets/purl/1266829 Publication ID: 44431

Khachik Sargsyan, Habib Najm, Bender Jason, Roger Ghanem, (2015). Density Estimation Framework for Model Error Assessment https://www.osti.gov/servlets/purl/1279688 Publication ID: 44743

Khachik Sargsyan, Khachik Sargsyan, Cosmin Safta, Cosmin Safta, Bert Debusschere, Bert Debusschere, Habib Najm, Habib Najm, Francesco Rizzi, Francesco Rizzi, Karla Morris, Karla Morris, Paul Mycek, Paul Mycek, Olivier Maitre, Olivier Maitre, Omar Knio, Omar Knio, (2015). Fault Resilient Domain Decomposition Preconditioner for PDEs https://doi.org/10.2172/1494624 Publication ID: 43981

J. Jakeman, Michael Eldred, Khachik Sargsyan, (2015). Enhancing ℓ1-minimization estimates of polynomial chaos expansions using basis selection Journal of Computational Physics https://www.osti.gov/biblio/1182997 Publication ID: 37936

Maher Salloum, Khachik Sargsyan, Reese Jones, Francesco Rizzi, Habib Najm, Bert Debusschere, (2015). Quantifying Sampling Noise and Parametric Uncertainty in Coupled Atomistic-Continuum Simulations https://www.osti.gov/servlets/purl/1258267 Publication ID: 43585

Sophia Lefantzi, Srinivasan Arunajatesan, Lawrence Dechant, Z. Hou, M. Huang, Khachik Sargsyan, Laura Swiler, (2015). Bayesian calibration of engineering and scientific models using surrogates https://www.osti.gov/servlets/purl/1253310 Publication ID: 43426

Khachik Sargsyan, Cosmin Safta, Habib Najm, Bert Debusschere, Daniel Ricciuto, Peter Thornton, (2015). High-Dimensional Sparse Surrogate Construction via Bayesian Compressive Sensing https://www.osti.gov/servlets/purl/1249469 Publication ID: 43203

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Cosmin Safta, Paul Mycek, Olivier LeMaitre, Habib Najm, Omar Knio, Bert Debusschere, (2015). Partial Differential Equations Solver Resilient to Soft and Hard Faults https://www.osti.gov/servlets/purl/1531275 Publication ID: 42991

Habib Najm, Khachik Sargsyan, Jason Bender, R Ghanem, (2015). Accounting for Model Error in the Calibration of Physical Models https://www.osti.gov/servlets/purl/1245918 Publication ID: 42523

Habib Najm, Khachik Sargsyan, Jason Bender, R. Ghanem, (2015). Handling Model Error in the Calibration of Physical Models https://www.osti.gov/servlets/purl/1245934 Publication ID: 42747

Francesco Rizzi, Karla Morris, Khachik Sargsyan, Paul Mycek, Cosmin Safta, Olivier LeMaitre, Omar Knio, Habib Najm, Bert Debusschere, (2015). Partial Differential Equations Solver Resilient to Soft and Hard Faults https://www.osti.gov/servlets/purl/1238560 Publication ID: 41559

Bert Debusschere, Khachik Sargsyan, (2015). Uncertainty Quantification – Lecture 3 https://www.osti.gov/servlets/purl/1531267 Publication ID: 41434

Bert Debusschere, Khachik Sargsyan, (2015). Uncertainty Quantification – Lecture 2 https://www.osti.gov/servlets/purl/1237887 Publication ID: 41435

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2015). Hybrid discrete/continuum algorithms for stochastic reaction networks Journal of Computational Physics https://doi.org/10.1016/j.jcp.2014.10.026 Publication ID: 31741

Cosmin Safta, Khachik Sargsyan, Habib Najm, Kenny Chowdhary, Bert Debusschere, Laura Swiler, Michael Eldred, (2015). Probabilistic methods for sensitivity analysis and calibration in the NASA challenge problem Journal of Aerospace Information Systems https://doi.org/10.2514/1.I010256 Publication ID: 40146

Maher Salloum, Khachik Sargsyan, Reese Jones, Francesco Rizzi, Habib Najm, Bert Debusschere, (2014). Quantifying Sampling Noise and Parametric Uncertainty in Atomistic-to-Continuum Simulations using Surrogate Models https://doi.org/10.1137/140989601 Publication ID: 39965

Philippe Pebay, Jeremiah Wilke, Khachik Sargsyan, (2014). A Workflow for Parameter Calibration and and Model Validation in SST: Interim Report https://doi.org/10.2172/1165842 Publication ID: 39833

Zhen Liu, Joseph Pinto, Alexander Turner, Lori Bruhwiler, Daven Henze, Jerome Brioude, Nicolas Bousserez, Khachik Sargsyan, Cosmin Safta, Habib Najm, Brian LaFranchi, Ray Bambha, Hope Michelsen, (2014). Contribution of Oil and Gas Production to Atmospheric CH4 int eh South-Central United States: Reconciling bottom-up and top-down estimates https://www.osti.gov/servlets/purl/1315004 Publication ID: 39873

Khachik Sargsyan, Habib Najm, Cosmin Safta, Bert Debusschere, D ricciuto, P Thornton, (2014). Parameter Estimation in High-Dimensional Climate Models https://www.osti.gov/servlets/purl/1504061 Publication ID: 39875

Khachik Sargsyan, Habib Najm, Cosmin Safta, Hope Michelsen, Ray Bambha, Zhen Liu, Bart van Bloemen Waanders, (2014). Density Estimation Framework for Model Error Assessmen https://www.osti.gov/servlets/purl/1504062 Publication ID: 39876

Zhen Liu, Cosmin Safta, Khachik Sargsyan, Habib Najm, Bart van Bloemen Waanders, Brian LaFranchi, Mark Ivey, Paul Schrader, Hope Michelsen, Ray Bambha, (2014). Greenhouse Gas Source Attribution: Measurements Modeling and Uncertainty Quantification https://doi.org/10.2172/1322290 Publication ID: 38662

Hope Michelsen, Zhen Liu, Ray Bambha, Brian LaFranchi, Khachik Sargsyan, Cosmin Safta, Habib Najm, Paul Schrader, (2014). Sandia?s Work on Verifying CH4 Emissions https://www.osti.gov/servlets/purl/1502756 Publication ID: 38546

Francesco Rizzi, Khachik Sargsyan, Bert Debusschere, Cosmin Safta, Karla Morris, Omar Knio, Habib Najm, (2014). Towards a Probabilistic Approach to Extreme-Scale Simulations under Uncertainty and System Faults https://www.osti.gov/servlets/purl/1569398 Publication ID: 37661

Hope Michelsen, Ray Bambha, Zhen Liu, Paul Schrader, Mark Ivey, Erika Roesler, Mark Taylor, Brian LaFranchi, Frederick Helsel, Habib Najm, Khachik Sargsyan, Cosmin Safta, (2014). Black Carbon Methane and Carbon Dioxide: Measurement Modeling and Source Attribution https://www.osti.gov/servlets/purl/1494427 Publication ID: 37741

Michael Eldred, Bert Debusschere, Kamaljit Chowdhary, John Jakeman, Habib Najm, Cosmin Safta, Khachik Sargsyan, (2014). Sandia Software Enabling Extreme-Scale Uncertainty Quantification https://www.osti.gov/servlets/purl/1494264 Publication ID: 37782

Habib Najm, Michael Eldred, Bert Debusschere, Kamaljit Chowdhary, John Jakeman, Cosmin Safta, Khachik Sargsyan, (2014). An Overview of Select UQ Algorithms and their Utility in Applications https://www.osti.gov/servlets/purl/1494413 Publication ID: 37818

Kamaljit Chowdhary, Khachik Sargsyan, (2014). Uncertainty Quantification and Calibration of Physical Models https://www.osti.gov/servlets/purl/1146585 Publication ID: 41001

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2014). Bayesian discontinuity detection and surrogate construction for complex computer models https://www.osti.gov/servlets/purl/1142115 Publication ID: 40288

Bert Debusschere, Khachik Sargsyan, Francesco Rizzi, Cosmin Safta, Karla Morris, Habib Najm, (2014). Probabilistic Approaches for Fault-Tolerance and Scalability in Extreme-Scale Computing https://www.osti.gov/servlets/purl/1141119 Publication ID: 37274

Jaideep Ray, Laura Swiler, Khachik Sargsyan, (2014). BAYESIAN CALIBRATION OF THE COMMUNITY LAND MODEL USING SURROGATES SIAM Journal of Uncertainty Quantification https://www.osti.gov/biblio/1141039 Publication ID: 37288

Laura Swiler, Jaideep Ray, Khachik Sargsyan, (2014). Bayesian calibration of hydrological parameters in the Community Land Model (CODA Presentation) https://www.osti.gov/servlets/purl/1140888 Publication ID: 37304

Khachik Sargsyan, Habib Najm, Kamaljit Chowdhary, Bert Debusschere, Laura Swiler, Michael Eldred, (2014). Uncertainty Quantification Methods for Model Calibration Validation and Risk Analysis https://doi.org/10.2514/6.2014-1497 Publication ID: 36802

Habib Najm, Kamaljit Chowdhary, Khachik Sargsyan, Bert Debusschere, (2013). Inference of Chemical Model Parameters given Partial Information https://www.osti.gov/servlets/purl/1121920 Publication ID: 31788

Khachik Sargsyan, Bert Debusschere, Habib Najm, (2013). Global Sensitivity Analysis and Parameter Calibration for an Ecosystem Carbon Model https://www.osti.gov/servlets/purl/1122345 Publication ID: 31837

Khachik Sargsyan, (2013). Bayesian compressive sensing and dimensionality reduction for high-dimensional models https://www.osti.gov/servlets/purl/1122434 Publication ID: 31851

Khachik Sargsyan, Habib Najm, Kamaljit Chowdhary, Bert Debusschere, Laura Swiler, Michael Eldred, (2013). Uncertainty Quantification Methods for Model Calibration Validation and Risk Analysis https://doi.org/10.2514/6.2014-1497 Publication ID: 31866

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, (2013). UQTk version 2.0 user manual https://doi.org/10.2172/1115280 Publication ID: 36357

Bert Debusschere, Cosmin Safta, Khachik Sargsyan, Habib Najm, (2013). Hybrid Discrete / Continuum Algorithms for Stochastic Reaction Networks https://www.osti.gov/servlets/purl/1673517 Publication ID: 36133

Joseph Kenny, Gilbert Hendry, Khachik Sargsyan, Damian Dechev, (2013). SST/macro Manual https://www.osti.gov/servlets/purl/1673515 Publication ID: 36169

Cosmin Safta, Bert Debusschere, Khachik Sargsyan, Habib Najm, (2013). Hybrid Discrete – Continuum Algorithms for Stochastic Reaction Networks https://www.osti.gov/servlets/purl/1106462 Publication ID: 34957

Bert Debusschere, Habib Najm, Khachik Sargsyan, Cosmin Safta, (2013). Probabilistic Approaches for Communication Avoidance and Resilience in Exascale Simulations https://www.osti.gov/servlets/purl/1140465 Publication ID: 35230

Jeremiah Wilke, Khachik Sargsyan, Joseph Kenny, Gilbert Hendry, Bert Debusschere, Habib Najm, (2013). Presentation: Validating extreme-scale HPC simulation through Bayesian inference uncertainty quantification https://www.osti.gov/servlets/purl/1107500 Publication ID: 35260

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2013). Sparse surrogate model construction via compressive sensing https://www.osti.gov/servlets/purl/1106053 Publication ID: 34576

Gilbert Hendry, Jeremiah Wilke, Joseph Kenny, Khachik Sargsyan, Martin Drohmann, Benjamin Allan, (2013). SST/macro: A coarse-grained simulation workflow https://www.osti.gov/servlets/purl/1106483 Publication ID: 34424

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2013). DALEC calibration with daily NEE Data at Harvard Forest https://www.osti.gov/servlets/purl/1661144 Publication ID: 33614

Habib Najm, Kamaljit Chowdhary, Cosmin Safta, Khachik Sargsyan, Bert Debusschere, (2013). Parameter Estimation with Partial Information https://www.osti.gov/servlets/purl/1079802 Publication ID: 33659

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, Habib Najm, (2013). UQ tutorial slides https://www.osti.gov/servlets/purl/1661320 Publication ID: 33766

Habib Najm, Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Kamaljit Chowdhary, (2013). QUEST SNL Activities https://www.osti.gov/servlets/purl/1115638 Publication ID: 33185

Habib Najm, Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Kamaljit Chowdhary, (2013). Parameter Estimation with Missing Data https://www.osti.gov/servlets/purl/1078649 Publication ID: 32977

Bert Debusschere, Khachik Sargsyan, Cosmin Safta, Gilbert Hendry, Habib Najm, (2013). Probabilistic Schwarz Coupling for Fault-Tolerance and Scalability https://www.osti.gov/servlets/purl/1115986 Publication ID: 32388

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2013). Hybrid Discrete/Continuum Algorithms for Stochastic Reaction Networks https://www.osti.gov/servlets/purl/1145251 Publication ID: 32344

Jeremiah Wilke, Khachik Sargsyan, Joseph Kenny, Gilbert Hendry, Bert Debusschere, Habib Najm, (2013). Validating extreme-scale HPC simulation through Bayesian inference uncertainty quantification https://www.osti.gov/biblio/1063301 Publication ID: 32117

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2013). Dimensionality Reduction and Global Sensitivity Analysis for the Community Land Model https://www.osti.gov/biblio/1063570 Publication ID: 32141

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2012). Multiparameter spectral representation of noise-induced competence in bacillus subtilis IEEE/ACM Transactions on Computational Biology and Bioinformatics https://doi.org/10.1109/TCBB.2012.107 Publication ID: 25769

Jaideep Ray, Khachik Sargsyan, (2012). Bayesian calibration of the Community Land Model using surrogates https://www.osti.gov/biblio/1063367 Publication ID: 26321

Khachik Sargsyan, (2012). Surrogate-Based Uncertainty Quantification in Climate Models https://www.osti.gov/biblio/1063531 Publication ID: 26327

Zhen Liu, Cosmin Safta, Khachik Sargsyan, Bart van Bloemen Waanders, Ray Bambha, Hope Michelsen, (2012). Verifying fossil fuel CO2 emissions with CMAQ https://www.osti.gov/servlets/purl/1295396 Publication ID: 26335

Jens Prager, Habib Najm, Khachik Sargsyan, Cosmin Safta, (2012). Uncertainty Quantification of Reaction Mechanisms Accounting for Correlations Introduced by Rate Rules and Fitted Arrhenius Parameters Proposed for publication in Elsevier. https://www.osti.gov/biblio/1072599 Publication ID: 30513

Ray Bambha, Zhen Liu, Cosmin Safta, Khachik Sargsyan, Bart van Bloemen Waanders, (2012). Verifying fossil fuel CO2 emissions with CMAQ https://www.osti.gov/biblio/1072623 Publication ID: 30629

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2012). Project report for Stochastic Dynamical Systems: Analysis of Dynamics and Predictability https://www.osti.gov/servlets/purl/1648427 Publication ID: 30930

Bert Debusschere, Habib Najm, Cosmin Safta, Khachik Sargsyan, (2012). Polynomial Chaos based uncertainty propagation Intrusive and Non-Intrusive Methods https://www.osti.gov/servlets/purl/1647838 Publication ID: 29720

Zhen Liu, Cosmin Safta, Khachik Sargsyan, Bart van Bloemen Waanders, Bert Debusschere, Habib Najm, Ray Bambha, (2012). Uncertainty Analysis and Bayesian Inference of Emissions and Transport from Urban Areas https://www.osti.gov/biblio/1073293 Publication ID: 29491

Habib Najm, Khachik Sargsyan, Cosmin Safta, Bert Debusschere, John Jakeman, Michael Eldred, (2012). Sparse Polynomial Representations of High Dimensional Models https://www.osti.gov/biblio/1073443 Publication ID: 28932

Habib Najm, Cosmin Safta, Bert Debusschere, Khachik Sargsyan, (2012). Uncertainty Quantification in the Community Land Model https://www.osti.gov/biblio/1073227 Publication ID: 28695

Habib Najm, Cosmin Safta, Khachik Sargsyan, Bert Debusschere, (2012). INFERENCE OF UNCERTAIN PARAMETERS IN CHEMICALMODELS Proposed for publication in International Journal for Uncertainty Quantification. https://www.osti.gov/biblio/1073410 Publication ID: 28829

Habib Najm, Bert Debusschere, Cosmin Safta, Khachik Sargsyan, (2012). Bayesian Parameter Estimation with Partial Information https://www.osti.gov/biblio/1073174 Publication ID: 27998

Khachik Sargsyan, (2012). Adaptive Basis Selection and Dimensionality Reduction with Bayesian Compressive Sensing https://www.osti.gov/servlets/purl/1078647 Publication ID: 27438

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2012). Coupled Chemical Master Equation – Fokker Planck Solver for Stochastic Reaction Networks https://www.osti.gov/biblio/1068329 Publication ID: 27466

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2012). Efficient Surrogate Construction for High-Dimensional Climate Model https://www.osti.gov/servlets/purl/1078600 Publication ID: 27471

Bert Debusschere, Cosmin Safta, Khachik Sargsyan, (2012). Uncertainty Quantification: UQTk example problems https://www.osti.gov/servlets/purl/1657036 Publication ID: 27529

Khachik Sargsyan, Reese Jones, Bert Debusschere, Habib Najm, (2012). Quantifying Sampling Noise and Parametric Uncertainty in Coupled Atomistic-Continuum Simulations https://www.osti.gov/servlets/purl/1078657 Publication ID: 27422

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2012). Multiparameter spectral representation of noise-induced competence in Bacillus subtilis IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS https://doi.org/10.1109/TCBB.2012.107 Publication ID: 26085

Cosmin Safta, Khachik Sargsyan, Ray Bambha, Hope Michelsen, Bert Debusschere, Habib Najm, Bart van Bloemen Waanders, (2011). Efficient Source Inversion Methodologies using Regional Transport Models https://www.osti.gov/servlets/purl/1106861 Publication ID: 25603

Khachik Sargsyan, Cosmin Safta, R. Berry, Bert Debusschere, Habib Najm, (2011). Uncertainty Quantification in ClimateModeling https://www.osti.gov/servlets/purl/1106672 Publication ID: 25612

Khachik Sargsyan, Cosmin Safta, R. Berry, Jaideep Ray, Bert Debusschere, Habib Najm, (2011). Efficient uncertainty quantification methodologies for high-dimensional climate land models https://doi.org/10.2172/1113860 Publication ID: 25433

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2011). Bayesian Quantification of Uncertainty in Systems with Intrinsic Noise https://www.osti.gov/servlets/purl/1728568 Publication ID: 24910

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2011). Bayesian Quantification of Uncertainty in Systems with Intrinsic Noise https://www.osti.gov/servlets/purl/1728569 Publication ID: 24979

Maher Salloum, Reese Jones, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2011). Propagating Uncertainty from Simulation Parameters and Sampling Noise through Coupled Atomistic-to-Continuum Systems https://www.osti.gov/servlets/purl/1106012 Publication ID: 25040

Cosmin Safta, Jaideep Ray, Khachik Sargsyan, Sophia Lefantzi, (2011). Real-time Characterization of Partially Observed Epidemics using Surrogate Models Mathematical Biosciences https://www.osti.gov/biblio/1106850 Publication ID: 24392

Cosmin Safta, Jaideep Ray, Khachik Sargsyan, Sophia Lefantzi, (2011). Real-time characterization of partially observed epidemics using surrogate models https://doi.org/10.2172/1030325 Publication ID: 24467

Maher Salloum, Khachik Sargsyan, Reese Jones, Bert Debusschere, Habib Najm, Helgi Adalsteinsson, (2011). A Stochastic Multiscale Coupling Scheme to Account for Sampling Noise in Atomistic-to-Continuum Simulations SIAM Journal on Multiscale Modeling and Simulation https://www.osti.gov/biblio/1106854 Publication ID: 24093

Khachik Sargsyan, Cosmin Safta, R. Berry, Bert Debusschere, Habib Najm, (2011). Uncertainty Quantication in Climate Modeling https://www.osti.gov/servlets/purl/1106987 Publication ID: 23958

Habib Najm, Cosmin Safta, Khachik Sargsyan, Bert Debusschere, (2011). Uncertainty Quantification given Discontinuities Long-tailed Distributions and Computationally Intensive Models https://www.osti.gov/servlets/purl/1106267 Publication ID: 23598

Habib Najm, Maher Salloum, Khachik Sargsyan, Reese Jones, Bert Debusschere, Helgi Adalsteinsson, (2011). Uncertainty Quantification in Multiscale Atomistic-Continuum Models https://www.osti.gov/servlets/purl/1107557 Publication ID: 23193

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2011). Uncertainty Quantification given Discontinuities Long-tailed Distributions and Computationally Intensive Models https://www.osti.gov/servlets/purl/1109206 Publication ID: 21791

Maher Salloum, Khachik Sargsyan, Reese Jones, Bert Debusschere, Habib Najm, Helgi Adalsteinsson, (2011). Stochastic Atomistic-to-Continuum Coupling using Bayesian inference https://www.osti.gov/servlets/purl/1671594 Publication ID: 21810

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2010). Uncertainty quantification given discontinuous climate model response and a limited number of model runs https://www.osti.gov/biblio/1038998 Publication ID: 21059

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2010). Uncertainty Quantication given Discontinuous Model Response and a Limited Number of Model Runs SIAM Journal on Scientific Computing https://www.osti.gov/biblio/1114609 Publication ID: 21124

Cosmin Safta, Bert Debusschere, Habib Najm, Khachik Sargsyan, (2010). Advanced methods for uncertainty quantification in tail regions of climate model predictions https://www.osti.gov/biblio/1038989 Publication ID: 21125

Khachik Sargsyan, Habib Najm, Bert Debusschere, (2010). Sources of Cell-to-Cell Variability in NFkB Signaling Based on Pathways Inferred from Single Cell Dynamic Images PLoS Computational Biology https://www.osti.gov/biblio/1114593 Publication ID: 21131

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2010). Uncertainty quantification for large-scale ocean circulation predictions https://doi.org/10.2172/1008117 Publication ID: 19790

Jonathan Frank, Matthew Lawson, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2010). Uncertainty quantification of cinematic imaging for development of predictive simulations of turbulent combustion https://doi.org/10.2172/1011617 Publication ID: 21159

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2010). Uncertainty quantification in the presence of limited climate model data with discontinuities https://www.osti.gov/biblio/1028371 Publication ID: 19676

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2010). Advanced methods for uncertainty quantification in tail regions of climate model predictions https://www.osti.gov/biblio/1028370 Publication ID: 19677

Cosmin Safta, Khachik Sargsyan, Bert Debusschere, Habib Najm, (2010). Accuracy of tail regions in uncertain climate model https://www.osti.gov/servlets/purl/1123302 Publication ID: 19121

Khachik Sargsyan, Bert Debusschere, Habib Najm, (2010). Predictability in stochastic reaction networks https://www.osti.gov/biblio/1021668 Publication ID: 19145

Khachik Sargsyan, Bert Debusschere, (2010). Uncertainty quantification methodologies for climate model data with discontinuities https://www.osti.gov/biblio/1021667 Publication ID: 19146

Khachik Sargsyan, Bert Debusschere, (2010). Uncertainty quantification in climate modeling https://www.osti.gov/biblio/1021665 Publication ID: 19147

Cosmin Safta, Bert Debusschere, Habib Najm, Khachik Sargsyan, (2010). Bayesian methods for discontinuity detection in climate model predictions https://www.osti.gov/biblio/1020453 Publication ID: 18589

Helgi Adalsteinsson, Bert Debusschere, Habib Najm, Reese Jones, Khachik Sargsyan, (2010). Quantifying prediction fidelity in multiscale multiphysics simulations https://www.osti.gov/biblio/1012450 Publication ID: 18179

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2009). Uncertainty quantification in the presence of limited climate model data with discontinuities https://www.osti.gov/biblio/972860 Publication ID: 17075

Khachik Sargsyan, Bert Debusschere, Cosmin Safta, Habib Najm, (2009). Uncertainty Quanti%02cation for Large-Scale Ocean Circulation Predictions https://www.osti.gov/servlets/purl/1142141 Publication ID: 17076

Khachik Sargsyan, Cosmin Safta, Bert Debusschere, Habib Najm, (2009). Uncertainty Quantification in the Presence of Limited Climate Model Data with Discontinuities https://www.osti.gov/servlets/purl/1142060 Publication ID: 16551

Khachik Sargsyan, Bert Debusschere, Habib Najm, (2008). Predictability and reduced order modeling in stochastic reaction networks https://www.osti.gov/biblio/970272 Publication ID: 15068

Khachik Sargsyan, Bert Debusschere, Habib Najm, Youssef Marzouk, (2008). Predictability Assessment in Stochastic Reaction Networks Journal of Computational and Theoretical Nanoscience https://www.osti.gov/biblio/1182955 Publication ID: 13463

Khachik Sargsyan, Bert Debusschere, Habib Najm, Youssef Marzouk, (2007). Uncertainty Quantification in Stochastic Reaction Networks https://www.osti.gov/servlets/purl/1714450 Publication ID: 12242