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Titolo:
Three-dimensional HYDRA simulations of National Ignition Facility targets
Autore:
Marinak, MM; Kerbel, GD; Gentile, NA; Jones, O; Munro, D; Pollaine, S; Dittrich, TR; Haan, SW;
Indirizzi:
Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94551 USA Univ CalifLawrence Livermore Natl Lab Livermore CA USA 94551 A 94551 USA
Titolo Testata:
PHYSICS OF PLASMAS
fascicolo: 5, volume: 8, anno: 2001,
parte:, 2
pagine: 2275 - 2280
SICI:
1070-664X(200105)8:5<2275:THSONI>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAYLEIGH-TAYLOR INSTABILITY; INERTIAL CONFINEMENT FUSION; 3-DIMENSIONAL SIMULATIONS; CAPSULE DESIGN; DENSE-PLASMAS; NOVA; IMPLOSION; GROWTH; BEAMS; MODEL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Marinak, MM Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94551 USA Univ Calif Lawrence Livermore Natl Lab Livermore CA USA 94551
Citazione:
M.M. Marinak et al., "Three-dimensional HYDRA simulations of National Ignition Facility targets", PHYS PLASMA, 8(5), 2001, pp. 2275-2280

Abstract

The performance of a targets designed for the National Ignition Facility (NIF) are simulated in three dimensions using the HYDRA multiphysics radiation hydrodynamics code. [M. Marinak , Phys. Plasmas 5, 1125 (1998)] In simulations of a cylindrical NIF hohlraum that include an imploding capsule, allrelevant hohlraum features and the detailed laser illumination pattern, the motion of the wall material inside the hohlraum shows a high degree of axisymmetry. Laser light is able to propagate through the entrance hole for the required duration of the pulse. Gross hohlraum energetics mirror the results from an axisymmetric simulation. A NIF capsule simulation resolved thefull spectrum of the most dangerous modes that grow from surface roughness. Hydrodynamic instabilities evolve into the weakly nonlinear regime. Thereis no evidence of anomalous low mode growth driven by nonlinear mode coupling. (C) 2001 American Institute of Physics.

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Documento generato il 06/08/20 alle ore 23:53:03