EPJ Web of Conferences
Volume 59, 2013IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|Number of page(s)||4|
|Section||PHYSICS OF INERTIAL FUSION – II. Conventional Target Physics (Direct and Indirect)|
|Published online||15 November 2013|
NIF capsule performance modeling
1 Lawrence Livermore National Laboratory, Livermore, CA 94550, USA
2 Los Alamos National Laboratory. Los Alamos, NM 87545, USA
3 Sandia National Laboratory, Albuquerque, NM 87185, USA
Published online: 15 November 2013
Post-shot modeling of NIF capsule implosions was performed in order to validate our physical and numerical models. Cryogenic layered target implosions and experiments with surrogate targets produce an abundance of capsule performance data including implosion velocity, remaining ablator mass, times of peak x-ray and neutron emission, core image size, core symmetry, neutron yield, and x-ray spectra. We have attempted to match the integrated data set with capsule-only simulations by adjusting the drive and other physics parameters within expected uncertainties. The simulations include interface roughness, time-dependent symmetry, and a model of mix. We were able to match many of the measured performance parameters for a selection of shots.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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