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Volume 4, Issue 3
AWECS: A Linear Gyrokinetic δf Particle-in-Cell Simulation Code for the Study of Alfvénic Instabilities in High-β Tokamak Plasmas

A. Bierwage & L. Chen

Commun. Comput. Phys., 4 (2008), pp. 457-495.

Published online: 2008-09

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  • Abstract

A1-Dlinear gyrokinetic code called AWECS is developed to study the kinetic excitation of Alfvénic instabilities in a high-β tokamak plasma, with β being the ratio of thermal to magnetic pressure. It is designed to describe physics associated with a broad range of frequencies and wavelengths. For example, AWECS is capable of simulating kinetic ballooning modes, Alfvénic ion-temperature-gradient-driven modes, as well as Alfvén instabilities due to energetic particles. In addition, AWECS may be used to study drift-Alfvén instabilities in the low-β regime. Here, the layout of the code and the numerical methods used are described. AWECS is benchmarked against other codes and a convergence study is carried out. 

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@Article{CiCP-4-457, author = {A. Bierwage and L. Chen}, title = {AWECS: A Linear Gyrokinetic δf Particle-in-Cell Simulation Code for the Study of Alfvénic Instabilities in High-β Tokamak Plasmas}, journal = {Communications in Computational Physics}, year = {2008}, volume = {4}, number = {3}, pages = {457--495}, abstract = {

A1-Dlinear gyrokinetic code called AWECS is developed to study the kinetic excitation of Alfvénic instabilities in a high-β tokamak plasma, with β being the ratio of thermal to magnetic pressure. It is designed to describe physics associated with a broad range of frequencies and wavelengths. For example, AWECS is capable of simulating kinetic ballooning modes, Alfvénic ion-temperature-gradient-driven modes, as well as Alfvén instabilities due to energetic particles. In addition, AWECS may be used to study drift-Alfvén instabilities in the low-β regime. Here, the layout of the code and the numerical methods used are described. AWECS is benchmarked against other codes and a convergence study is carried out. 

}, issn = {1991-7120}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/cicp/7798.html} }
TY - JOUR T1 - AWECS: A Linear Gyrokinetic δf Particle-in-Cell Simulation Code for the Study of Alfvénic Instabilities in High-β Tokamak Plasmas AU - A. Bierwage & L. Chen JO - Communications in Computational Physics VL - 3 SP - 457 EP - 495 PY - 2008 DA - 2008/09 SN - 4 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/cicp/7798.html KW - AB -

A1-Dlinear gyrokinetic code called AWECS is developed to study the kinetic excitation of Alfvénic instabilities in a high-β tokamak plasma, with β being the ratio of thermal to magnetic pressure. It is designed to describe physics associated with a broad range of frequencies and wavelengths. For example, AWECS is capable of simulating kinetic ballooning modes, Alfvénic ion-temperature-gradient-driven modes, as well as Alfvén instabilities due to energetic particles. In addition, AWECS may be used to study drift-Alfvén instabilities in the low-β regime. Here, the layout of the code and the numerical methods used are described. AWECS is benchmarked against other codes and a convergence study is carried out. 

A. Bierwage and L. Chen. (2008). AWECS: A Linear Gyrokinetic δf Particle-in-Cell Simulation Code for the Study of Alfvénic Instabilities in High-β Tokamak Plasmas. Communications in Computational Physics. 4 (3). 457-495. doi:
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