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Volume 9, Issue 2
Improved Unlike-Particle Collision Operator for delta-f Drift-Kinetic Particle Simulations

R. A. Kolesnikov, W. X. Wang & F. L. Hinton

DOI: 10.4208/cicp.090410.260410a

Commun. Comput. Phys., 9 (2011), pp. 231-239.

Published online: 2011-09

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  • Abstract

Plasmas in modern tokamak experiments contain a significant fraction of impurity ion species in addition to main deuterium background. A new unlike-particle collision operator for δf particle simulation has been developed to study the nonlocal effects of impurities due to finite ion orbits on neoclassical transport in toroidal plasmas. A new algorithm for simulation of cross-collisions between different ion species includes test-particle and conserving field-particle operators. An improved field-particle operator is designed to exactly enforce conservation of number, momentum and energy.

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@Article{CiCP-9-231, author = {R. A. Kolesnikov, W. X. Wang and F. L. Hinton}, title = {Improved Unlike-Particle Collision Operator for delta-f Drift-Kinetic Particle Simulations}, journal = {Communications in Computational Physics}, year = {2011}, volume = {9}, number = {2}, pages = {231--239}, abstract = {

Plasmas in modern tokamak experiments contain a significant fraction of impurity ion species in addition to main deuterium background. A new unlike-particle collision operator for δf particle simulation has been developed to study the nonlocal effects of impurities due to finite ion orbits on neoclassical transport in toroidal plasmas. A new algorithm for simulation of cross-collisions between different ion species includes test-particle and conserving field-particle operators. An improved field-particle operator is designed to exactly enforce conservation of number, momentum and energy.

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.090410.260410a}, url = {http://global-sci.org/intro/article_detail/cicp/7498.html} }
TY - JOUR T1 - Improved Unlike-Particle Collision Operator for delta-f Drift-Kinetic Particle Simulations AU - R. A. Kolesnikov, W. X. Wang & F. L. Hinton JO - Communications in Computational Physics VL - 2 SP - 231 EP - 239 PY - 2011 DA - 2011/09 SN - 9 DO - http://doi.org/10.4208/cicp.090410.260410a UR - https://global-sci.org/intro/article_detail/cicp/7498.html KW - AB -

Plasmas in modern tokamak experiments contain a significant fraction of impurity ion species in addition to main deuterium background. A new unlike-particle collision operator for δf particle simulation has been developed to study the nonlocal effects of impurities due to finite ion orbits on neoclassical transport in toroidal plasmas. A new algorithm for simulation of cross-collisions between different ion species includes test-particle and conserving field-particle operators. An improved field-particle operator is designed to exactly enforce conservation of number, momentum and energy.

R. A. Kolesnikov, W. X. Wang and F. L. Hinton. (2011). Improved Unlike-Particle Collision Operator for delta-f Drift-Kinetic Particle Simulations. Communications in Computational Physics. 9 (2). 231-239. doi:10.4208/cicp.090410.260410a
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