Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session NP11: Poster Session V: Laser-plasma Particle Acceleration; HEDP; Turbulence and Transport; DIII-D Tokamak; Machine Learning, Data Science (9:30am-12:30pm)
Wednesday, November 7, 2018
OCC
Room: Exhibit Hall A1&A
Abstract ID: BAPS.2018.DPP.NP11.137
Abstract: NP11.00137 : Bayesian Parameter Estimation for Data Integration in ICF Experiments*
Presenter:
Patrick F Knapp
(Sandia Natl Labs)
Authors:
Patrick F Knapp
(Sandia Natl Labs)
Michael E Glinsky
(Sandia Natl Labs)
Matthew Evans
(Univ of Rochester)
Stephanie Hansen
(Sandia Natl Labs)
Christopher Jennings
(Sandia Natl Labs)
Eric Harding
(Sandia Natl Labs)
Matthew Weis
(Sandia Natl Labs)
Stephen A Slutz
(Sandia Natl Labs)
Matt Gomez
(Sandia Natl Labs)
Kelly D Hahn
(Sandia Natl Labs)
Matthew R Martin
(Sandia Natl Labs)
Matthias Geissel
(Sandia Natl Labs)
Ian C. Smith
(Sandia Natl Labs)
Pierre-Alexandre Gourdain
(Univ of Rochester)
Kyle J Peterson
(Sandia Natl Labs)
Brent M Jones
(Sandia Natl Labs)
Jens Schwarz
(Sandia Natl Labs)
Gregory A. Rochau
(Sandia Natl Labs)
Daniel B Sinars
(Sandia Natl Labs)
Bayesian parameter estimation is a powerful tool for the interpretation of experimental data and discriminating between models. It is particularly powerful when applied to data integration, the task of simultaneously integrating multiple disparate diagnostic data sets to constrain a model. This technique is demonstrated on data obtained from MagLIF experiments where imaging, spectroscopic, x-ray, and neutron data are all used to simultaneously constrain the set of parameters that best describe the observables. Our algorithm also gives confidence intervals and correlations directly from the analysis, as well as the ability to estimate the value of information for each of the diagnostic inputs.
*Sandia National Laboratories is a multimission laboratory managed and operated by National Technology & Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell International Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.NP11.137
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