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A pairwise nuclear fusion algorithm for weighted particle-in-cell plasma simulations

Journal Article · · Journal of Computational Physics
In this work, a pairwise nuclear fusion algorithm for arbitrarily weighted macroparticles in a particle-in-cell simulation is described. The method is benchmarked in situations with like-particles, D(d,n)3He, unlike-particles, D(t,n)4He, thermonuclear plasmas, beam-target fusion, and for large difference in macroparticle weights. Studies of the required number of macroparticles in thermonuclear plasmas show that 100–1000 macroparticles are required to achieve repeatability of yields around 10%, likewise 104–105 for 1%, depending on the fusion interaction and ion temperature.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1548348
Alternate ID(s):
OSTI ID: 1642259
Report Number(s):
LLNL-JRNL--756402; 942208
Journal Information:
Journal of Computational Physics, Journal Name: Journal of Computational Physics Journal Issue: C Vol. 388; ISSN 0021-9991
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Effect of polarity on beam and plasma target formation in a dense plasma focus journal April 2019
Kinetic simulations of sheared flow stabilization in high-temperature Z-pinch plasmas journal June 2019
Hybrid particle-in-cell simulations of laser-driven plasma interpenetration, heating, and entrainment journal November 2019

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