Cosmin Safta

Cosmin Safta

Distinguished Member of Technical Staff

Sandia National Laboratories

Bio

I am a Distinguished Member of Technical Staff at Sandia National Laboratories. My research focuses on computational science with 20+ years of experience in developing algorithms for a large set of applications. I am involved in and leading research projects pertaining to uncertainty quantification and machine learning in combustion, climate modeling, biosurveillance, power grids, material science, stochastic network models, and re-entry vehicle trajectories, as well as statistical modeling related to adversarial aspects in machine learning.

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Interests
  • Uncertainty Quantification
  • Machine Learning
  • Bayesian Inference
Education
  • PhD in Mechanical and Aerospace Engineering, 2004

    University of Buffalo

  • MSc in Aerospace Engineering, 1996

    University "Politehnica" of Bucharest

  • BSc in Aerospace Engineering, 1995

    University "Politehnica" of Bucharest

Experience

 
 
 
 
 
Senior/Principal/Distinguished Member of Technical Staff
Jul 2009 – Present California
  • Developing state-of-the-art algorithms for uncertainty quantification and scientific machine learning for large scale computational models of physical phenomena
  • Deploying software for various tasks in model development and data analysis pipeline, including uncertainty propagation, model calibration and statistical analysis
  • Leading and participating in research proposals and scientific projects
  • Hiring and mentorship of postdoctoral appointees and summer students
 
 
 
 
 
Postdoctoral Researcher
Jan 2007 – Jul 2009 California
High-order adaptive mesh refinement algorithms for chemical reacting flows. Designed and published the first high-order discretization scheme for low-speed combustion applications.
 
 
 
 
 
Postdoctoral Researcher & Research Engineer
SUNY Stony Brook and TTC Technologies
Oct 2004 – Dec 2006 Long Island, NY
Algorithms for turbulence-combustion coupling in reacting flow simulations. Algorithm developments were transitioned to the Air Force Research Laboratory.

Recent Publications

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(2022). TChem: A performance portable parallel software toolkit for complex kinetic mechanisms. Computer Physics Communications.

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(2022). Trajectory design via unsupervised probabilistic learning on optimal manifolds. Data-Centric Engineering.

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(2022). Bayesian calibration of interatomic potentials for binary alloys. Computational Materials Science.

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(2021). Forecasting Multi-Wave Epidemics Through Bayesian Inference. Archives of Computational Methods in Engineering.

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