Emil M. Constantinescu

Publication Activity (10 Years)

Years Active: 2004-2024
Publications (10 Years): 44

Top Topics

Differential Equations

Sensitivity Analysis

Data Assimilation

Diffusion Models

Top Venues

J. Sci. Comput.

SIAM J. Sci. Comput.

SIAM/ASA J. Uncertain. Quantification

Publications

Hongli Zhao, Tyler E. Maltba, Daniel Adrian Maldonado, Emil M. Constantinescu, Mihai Anitescu
Data-Driven Estimation of Failure Probabilities in Correlated Structure-Preserving Stochastic Power System Models. CoRR (2024)
Johann Rudi, Max Heldman, Emil M. Constantinescu, Qi Tang, Xian-Zhu Tang
Scalable implicit solvers with dynamic mesh adaptation for a relativistic drift-kinetic Fokker-Planck-Boltzmann model. J. Comput. Phys. 507 (2024)
Ahmed Attia, Daniel Adrian Maldonado, Emil M. Constantinescu, Mihai Anitescu
Centralized calibration of power system dynamic models using variational data assimilation. CoRR (2023)
Hong Zhang, Emil M. Constantinescu
Optimal checkpointing for adjoint multistage time-stepping schemes. J. Comput. Sci. 66 (2023)
Shinhoo Kang, Emil M. Constantinescu
Learning Subgrid-Scale Models in Discontinuous Galerkin Methods with Neural Ordinary Differential Equations for Compressible Navier-Stokes Equations. CoRR (2023)
Johann Rudi, Max Heldman, Emil M. Constantinescu, Qi Tang, Xian-Zhu Tang
Scalable Implicit Solvers with Dynamic Mesh Adaptation for a Relativistic Drift-Kinetic Fokker-Planck-Boltzmann Model. CoRR (2023)
Shinhoo Kang, Alp Dener, Aidan Hamilton, Hong Zhang, Emil M. Constantinescu, Robert L. Jacob
Multirate Partitioned Runge-Kutta Methods for Coupled Navier-Stokes Equations. CoRR (2022)
Emil M. Constantinescu
Implicit extensions of an explicit multirate Runge-Kutta scheme. Appl. Math. Lett. 128 (2022)
Hong Zhang, Emil M. Constantinescu, Barry F. Smith
PETSc TSAdjoint: A Discrete Adjoint ODE Solver for First-Order and Second-Order Sensitivity Analysis. SIAM J. Sci. Comput. 44 (1) (2022)
Shinhoo Kang, Emil M. Constantinescu
Entropy-Preserving and Entropy-Stable Relaxation IMEX and Multirate Time-Stepping Methods. J. Sci. Comput. 93 (1) (2022)
Luisa D'Amore, Emil M. Constantinescu, Luisa Carracciuolo
A Scalable Space-Time Domain Decomposition Approach for Solving Large Scale Nonlinear Regularized Inverse Ill Posed Problems in 4D Variational Data Assimilation. J. Sci. Comput. 91 (2) (2022)
Youngdae Kim, Debojyoti Ghosh, Emil M. Constantinescu, Ramesh Balakrishnan
GPU-Accelerated WENO Schemes for DNS of Compressible Turbulent Flows. CoRR (2022)
Luisa D'Amore, Emil M. Constantinescu, Luisa Carracciuolo
A scalable space-time domain decomposition approach for solving large-scale nonlinear regularized inverse ill-posed problems in 4D variational data assimilation. CoRR (2022)
Shinhoo Kang, Emil M. Constantinescu
Learning Subgrid-scale Models with Neural Ordinary Differential Equations. CoRR (2022)
Sheng Lei, Daniel A. Maldonado, Emil M. Constantinescu, Junbo Zhao, Somayeh Yarahmadi, Lamine Mili, Mihai Anitescu
A Novel Continuum Approximation to Power System Electromechanical Dynamics. ISGT (2022)
Ahmed Attia, Emil M. Constantinescu
Optimal Experimental Design for Inverse Problems in the Presence of Observation Correlations. SIAM J. Sci. Comput. 44 (4) (2022)
Hong Zhang, Zhengyu Liu, Emil M. Constantinescu, Robert L. Jacob
Stability Analysis of Coupled Advection-Diffusion Models with Bulk Interface Condition. J. Sci. Comput. 93 (1) (2022)
Shinhoo Kang, Emil M. Constantinescu
Entropy-Preserving and Entropy-Stable Relaxation IMEX and Multirate Time-Stepping Methods. CoRR (2021)
Emil M. Constantinescu
Implicit Extensions of an Explicit Multirate Runge-Kutta Scheme. CoRR (2021)
Shinhoo Kang, Emil M. Constantinescu, Hong Zhang, Robert L. Jacob
Mass-Conserving Implicit-Explicit Methods for Coupled Compressible Navier-Stokes Equations. CoRR (2021)
Hong Zhang, Emil M. Constantinescu
Optimal Checkpointing for Adjoint Multistage Time-Stepping Schemes. CoRR (2021)
Hong Zhang, Emil M. Constantinescu
Revolve-Based Adjoint Checkpointing for Multistage Time Integration. ICCS (1) (2021)
Emil M. Constantinescu, Noémi Petra, Julie Bessac, Cosmin G. Petra
Statistical Treatment of Inverse Problems Constrained by Differential Equations-Based Models with Stochastic Terms. SIAM/ASA J. Uncertain. Quantification 8 (1) (2020)
Shaohui Liu, Daniel Adrian Maldonado, Emil M. Constantinescu
Probabilistic analysis of masked loads with aggregated photovoltaic production. CoRR (2020)
Hong Zhang, Zhengyu Liu, Emil M. Constantinescu, Robert L. Jacob
Stability Analysis of Interface Conditions for Ocean-Atmosphere Coupling. J. Sci. Comput. 84 (3) (2020)
Oana Marin, Emil M. Constantinescu, Barry Smith
A scalable matrix-free spectral element approach for unsteady PDE constrained optimization using PETSc/TAO. J. Comput. Sci. 47 (2020)
Vishwas Rao, Romit Maulik, Emil M. Constantinescu, Mihai Anitescu
A Machine-Learning-Based Importance Sampling Method to Compute Rare Event Probabilities. ICCS (6) (2020)
Hong Zhang, Zhengyu Liu, Emil M. Constantinescu, Robert L. Jacob
Stability Analysis of Interface Conditions for Ocean-Atmosphere Coupling. CoRR (2019)
Hanqi Guo, Wenbin He, Sangmin Seo, Han-Wei Shen, Emil M. Constantinescu, Chunhui Liu, Tom Peterka
Extreme-Scale Stochastic Particle Tracing for Uncertain Unsteady Flow Visualization and Analysis. IEEE Trans. Vis. Comput. Graph. 25 (9) (2019)
Joseph L. Hart, Julie Bessac, Emil M. Constantinescu
Global Sensitivity Analysis for Statistical Model Parameters. SIAM/ASA J. Uncertain. Quantification 7 (1) (2019)
Daniel S. Abdi, Francis X. Giraldo, Emil M. Constantinescu, Lester E. Carr, Lucas C. Wilcox, Timothy C. Warburton
Acceleration of the IMplicit-EXplicit nonhydrostatic unified model of the atmosphere on manycore processors. Int. J. High Perform. Comput. Appl. 33 (2) (2019)
Hong Zhang, Emil M. Constantinescu, Barry F. Smith
PETSc TSAdjoint: a discrete adjoint ODE solver for first-order and second-order sensitivity analysis. CoRR (2019)
Valeria Mele, Diego Romano, Emil M. Constantinescu, Luisa Carracciuolo, Luisa D'Amore
Performance Evaluation for a PETSc Parallel-in-Time Solver Based on the MGRIT Algorithm. Euro-Par Workshops (2018)
Luisa Carracciuolo, Emil M. Constantinescu, Luisa D'Amore
Validation of a PETSc based software implementing a 4DVAR Data Assimilation algorithm: a case study related with an Oceanic Model based on Shallow Water equation. CoRR (2018)
Ahmed Attia, Emil M. Constantinescu
An Optimal Experimental Design Framework for Adaptive Inflation and Covariance Localization for Ensemble Filters. CoRR (2018)
Valeria Mele, Emil M. Constantinescu, Luisa Carracciuolo, Luisa D'Amore
A PETSc parallel-in-time solver based on MGRIT algorithm. Concurr. Comput. Pract. Exp. 30 (24) (2018)
Emil M. Constantinescu
Generalizing global error estimation for ordinary differential equations by using coupled time-stepping methods. J. Comput. Appl. Math. 332 (2018)
Shrirang Abhyankar, Emil M. Constantinescu, Barry F. Smith, Alexander J. Flueck, Daniel A. Maldonado
Parallel Dynamics Simulation Using a Krylov-Schwarz Linear Solution Scheme. IEEE Trans. Smart Grid 8 (3) (2017)
Franck Cappello, Rinku Gupta, Sheng Di, Emil M. Constantinescu, Thomas Peterka, Stefan M. Wild
Understanding and Improving the Trust in Results of Numerical Simulations and Scientific Data Analytics. Euro-Par Workshops (2017)
Ian T. Foster, Mark Ainsworth, Bryce Allen, Julie Bessac, Franck Cappello, Jong Youl Choi, Emil M. Constantinescu, Philip E. Davis, Sheng Di, Zichao Wendy Di, Hanqi Guo, Scott Klasky, Kerstin Kleese van Dam, Tahsin M. Kurç, Qing Liu, Abid Malik, Kshitij Mehta, Klaus Mueller, Todd S. Munson, George Ostrouchov, Manish Parashar, Tom Peterka, Line Pouchard, Dingwen Tao, Ozan Tugluk, Stefan M. Wild, Matthew Wolf, Justin M. Wozniak, Wei Xu, Shinjae Yoo
Computing Just What You Need: Online Data Analysis and Reduction at Extreme Scales. Euro-Par (2017)
Pierre-Louis Guhur, Emil M. Constantinescu, Debojyoti Ghosh, Tom Peterka, Franck Cappello
Detection of Silent Data Corruption in Adaptive Numerical Integration Solvers. CLUSTER (2017)
Hong Zhang, Shrirang Abhyankar, Emil M. Constantinescu, Mihai Anitescu
Discrete Adjoint Sensitivity Analysis of Hybrid Dynamical Systems With Switching. IEEE Trans. Circuits Syst. I Regul. Pap. (5) (2017)
Debojyoti Ghosh, Emil M. Constantinescu
Semi-implicit Time Integration of Atmospheric Flows with Characteristic-Based Flux Partitioning. SIAM J. Sci. Comput. 38 (3) (2016)
Pierre-Louis Guhur, Hong Zhang, Tom Peterka, Emil M. Constantinescu, Franck Cappello
Lightweight and Accurate Silent Data Corruption Detection in Ordinary Differential Equation Solvers. Euro-Par (2016)
Peng Wang, David A. Barajas-Solano, Emil M. Constantinescu, Shrirang Abhyankar, Debojyoti Ghosh, Barry F. Smith, Zhenyu Huang, Alexandre M. Tartakovsky
Probabilistic Density Function Method for Stochastic ODEs of Power Systems with Uncertain Power Input. SIAM/ASA J. Uncertain. Quantification 3 (1) (2015)
Debojyoti Ghosh, Emil M. Constantinescu, Jed Brown
Efficient Implementation of Nonlinear Compact Schemes on Massively Parallel Platforms. SIAM J. Sci. Comput. 37 (3) (2015)
Debojyoti Ghosh, Emil M. Constantinescu
Semi-Implicit Time Integration of Atmospheric Flows with Characteristic-Based Flux Partitioning. CoRR (2015)
Mihai Anitescu, Xiaoyan Zeng, Emil M. Constantinescu
A Low-Memory Approach for Best-State Estimation of Hidden Markov Models with Model Error. SIAM J. Numer. Anal. 52 (1) (2014)
Emil M. Constantinescu, Adrian Sandu
Extrapolated Multirate Methods for Differential Equations with Multiple Time Scales. J. Sci. Comput. 56 (1) (2013)
Shrirang Abhyankar, Barry Smith, Emil M. Constantinescu
Evaluation of overlapping restricted additive schwarz preconditioning for parallel solution of very large power flow problems. HiPCNA-PG@SC (2013)
David E. Keyes, Lois C. McInnes, Carol S. Woodward, William Gropp, Eric Myra, Michael Pernice, John Bell, Jed Brown, Alain Clo, Jeffrey M. Connors, Emil M. Constantinescu, Donald J. Estep, Kate Evans, Charbel Farhat, Ammar Hakim, Glenn Hammond, Glen Hansen, Judith Hill, Tobin Isaac, Xiangmin Jiao, Kirk E. Jordan, Dinesh K. Kaushik, Efthimios Kaxiras, Alice E. Koniges, Kihwan Lee, Aaron Lott, Qiming Lu, John Magerlein, Reed Maxwell, Michael McCourt, Miriam Mehl, Roger P. Pawlowski, Amanda Peters Randles, Daniel R. Reynolds, Béatrice Rivière, Ulrich Rüde, Timothy D. Scheibe, John N. Shadid, Brendan Sheehan, Mark S. Shephard, Andrew R. Siegel, Barry Smith, Xianzhu Tang, Cian Wilson, Barbara I. Wohlmuth
Multiphysics simulations: Challenges and opportunities. Int. J. High Perform. Comput. Appl. 27 (1) (2013)
Francis X. Giraldo, James F. Kelly, Emil M. Constantinescu
Implicit-Explicit Formulations of a Three-Dimensional Nonhydrostatic Unified Model of the Atmosphere (NUMA). SIAM J. Sci. Comput. 35 (5) (2013)
Alexandru Cioaca, Adrian Sandu, Eric de Sturler, Emil M. Constantinescu
Efficient Computation of Observation Impact in 4D-Var Data Assimilation. WoCoUQ (2011)
Emil M. Constantinescu, Adrian Sandu
Optimal Explicit Strong-Stability-Preserving General Linear Methods. SIAM J. Sci. Comput. 32 (5) (2010)
Emil M. Constantinescu, Adrian Sandu
Extrapolated Implicit-Explicit Time Stepping. SIAM J. Sci. Comput. 31 (6) (2010)
Adrian Sandu, Emil M. Constantinescu
Multirate Explicit Adams Methods for Time Integration of Conservation Laws. J. Sci. Comput. 38 (2) (2009)
Emil M. Constantinescu, Adrian Sandu
Explicit Time Stepping Methods with High Stage Order and Monotonicity Properties. ICCS (2) (2009)
Emil M. Constantinescu
On the order of general linear methods. Appl. Math. Lett. 22 (9) (2009)
Gregory R. Carmichael, Adrian Sandu, Tianfeng Chai, Dacian N. Daescu, Emil M. Constantinescu, Youhua Tang
Predicting air quality: Improvements through advanced methods to integrate models and measurements. J. Comput. Phys. 227 (7) (2008)
Adrian Sandu, Emil M. Constantinescu, Gregory R. Carmichael, Tianfeng Chai, John H. Seinfeld, Dacian N. Daescu
Localized Ensemble Kalman Dynamic Data Assimilation for Atmospheric Chemistry. International Conference on Computational Science (1) (2007)
Emil M. Constantinescu, Adrian Sandu
Multirate Timestepping Methods for Hyperbolic Conservation Laws. J. Sci. Comput. 33 (3) (2007)
Emil M. Constantinescu, Adrian Sandu
On Adaptive Mesh Refinement for Atmospheric Pollution Models. International Conference on Computational Science (2) (2005)
Adrian Sandu, Emil M. Constantinescu, Wenyuan Liao, Gregory R. Carmichael, Tianfeng Chai, John H. Seinfeld, Dacian N. Daescu
Ensemble-Based Data Assimilation for Atmospheric Chemical Transport Models. International Conference on Computational Science (2) (2005)
Chaitanya Belwal, Adrian Sandu, Emil M. Constantinescu
Adaptive resolution modeling of regional air quality. SAC (2004)