Appointments:
    • 2010-pres  Asst Computational Mathematician, Laboratory for Advanced Numerical Simulations, Argonne National Laboratory & fellow of the Computation Institute, University of Chicago

    • 2008-2010 Wilkinson fellow, Mathematics and Computer Science, Argonne National Laboratory

Education: PhD in Computer Science (2008) from Virginia Tech, advisor prof. Adrian Sandu (research highlight)

Research Interests:

Time-stepping for PDEs and ODEs Multirate - GLM - IMEX	Uncertainty Quantification, Data Assimilation & Sensitivity Analysis	Adaptive Mesh Refinement

Upcoming conference presentations:

• Emil M. Constantinescu, "Consistency and stability considerations for implicit-explicit additive splittings" at SIAM Annual Meeting (SIAM AN12), Minneapolis, MN, July 9-13, 2012.

   

Recent papers (see all):

• Ricardo J. Bessa, Vladimiro Miranda, Audun Botterud, Jianhui Wang, and Emil Constantinescu, "Time Adaptive Conditional Kernel Density Estimation for Wind Power Forecasting." To appear in IEEE Transactions on Sustainable Energy (Special Wind Energy issue), 2012.

   

• Francis X Giraldo, James F. Kelly, and Emil Constantinescu, "Implicit-explicit formulations of a three-dimensional nonhydrostatic unified model of the atmosphere (NUMA)." SIAM Journal on Scientific Computing (SISC), submitted, Preprint # ANL/MCS-P2083-0512, 2012.

   

• Barry Smith, Lois Curfman McInnes, Emil Constantinescu, Mark Adams, Satish Balay, Jed Brown, Matthew Knepley, and Hong Zhang, "PETSc's Software Strategy for the Design Space of Composable Extreme-Scale Solvers." (Preprint # ANL/MCS-P2059-0312) DOE Exascale Research Conference, April 16-18, 2012, Portland, OR, 2012.

   

• Juan M. Salazar, Urmila Diwekar, Emil M. Constantinescu, and Victor Zavala, "Stochastic Optimization Approach to Water Management in Cooling-Constrained Power Plants." submitted, 2012.

   

• Mihai Anitescu, Xiaoyan Zeng, and Emil M. Constantinescu, "A low-memory approach for best-state estimation of hidden Markov models with model error." SIAM Journal on Numerical Analysis (SINUM), submitted, 2012.

   

• D.E. Keyes, L.C. McInnes, C. Woodward, W.D. Gropp, E. Myra, M. Pernice, J. Bell, J. Brown, A. Clo, J. Connors, E. Constantinescu, D. Estep, K. Evans, C. Farhat, A. Hakim, G. Hammond, G. Hansen, J. Hill, T. Isaac, X. Jiao, K. Jordan, D. Kaushik, E. Kaxiras, A. Koniges, K. Lee, A. Lott, Q. Lu, J. Magerlein, R. Maxwell, M. McCourt, M. Mehl, R. Pawlowski, A. Peters, D. Reynolds, B. Riviere, U. Rüde, T. Scheibe, J. Shadid, B. Sheehan, M. Shephard, A. Siegel, B. Smith, X. Tang, C. Wilson, B. Wohlmuth, "Multiphysics Simulations: Challenges and Opportunities." Workshop Report, Park City, Utah, July 30 - August 6, 2011.

   

• Emil M. Constantinescu and Mihai Anitescu, "Physics-based covariance models for Gaussian processes with multiple outputs." International Journal for Uncertainty Quantification, in press; Preprint # ANL/MCS-P1915-0711, 2011.

   

• Alexandru Cioaca, Victor Zavala, and Emil M. Constantinescu, "Adjoint Sensitivity Analysis for Numerical Weather Prediction: Applications to Power Grid Optimization."Submitted to 1st International Workshop on High Performance Computing, Networking and Analytics for the Power Grid, Preprint # ANL/MCS-P1928-0911, Seattle, WA, USA, November 13, 2011.

   

• Emil M. Constantinescu,Victor Zavala, Matthew Rocklin, Sangmin Lee, and Mihai Anitescu, "A Computational Framework for Uncertainty Quantification and Stochastic Optimization in Unit Commitment with Wind Power Generation." Vol. 26(1), Pages 431-441, IEEE Transactions on Power Systems, 2011.

   

• Adrian Sandu, Emil M. Constantinescu, Gregory R. Carmichael, Tianfeng Chai, Dacian Daescu and John Seinfeld "Ensemble Methods for Dynamic Data Assimilation of Chemical Observations in Atmospheric Models." Vol. 5(4), Pages 667-692, Journal of Algorithms & Computational Technology, 2011.

   

• Emil M. Constantinescu and Adrian Sandu, "Extrapolated multirate methods for differential equations with multiple time scales." Journal of Scientific Computing, submitted; Preprint # ANL/MCS-P1796-1010, 2010.

   

• Emil M. Constantinescu and Adrian Sandu, "Optimal strong-stability-preserving general linear methods." SIAM Journal of Scientific Computing, Vol. 32(5), Pages 3130-3150, 2010. -> Technical report with complete results.

   

• Emil M. Constantinescu and Adrian Sandu, "Extrapolated implicit-explicit time stepping." Vol. 31(6), Pages 4452-4477, SIAM Journal of Scientific Computing, 2010. -> Technical report version.

   

• Victor M. Zavala, Jianhui Wang, Sven Leyffer, Emil M. Constantinescu, Mihai Anitescu, and Guenter Conzelmann, "Proactive energy management for next-generation building systems." SimBuild 2010, August 11-13, 2010.

   

Students practicum:

updated May 2012