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arXiv 1012.5388physics.plasm-ph
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燃烧等离子体中剪切Alfvén波数值模拟的扩展混合磁流体动力学回旋模型

An extended hybrid magnetohydrodynamics gyrokinetic model for numerical simulation of shear Alfvén waves in burning plasmas

X Wang, S Briguglio, L Chen, C Di Troia, G Fogaccia, G Vlad, F Zonca

摘要:

采用广义鱼骨色散关系的理论框架,扩展的混合磁流体动力学陀螺动力学模拟模型已被推导出解析考虑热离子的可压缩性和抗磁效应,除了高能粒子的动力学行为。扩展模型已被用于实现扩展版本的混合磁流体动力学回旋动力学代码(XHMGC),以研究热离子动力学效应的高能粒子驱动的Alfvénic模式,如动力学β诱导的Alfvén本征模在托卡马克聚变等离子体。

英文摘要:

Adopting the theoretical framework for the generalized fishbonelike dispersion relation, an extended hybrid magnetohydrodynamics gyrokinetic simulation model has been derived analytically by taking into account both thermal ion compressibility and diamagnetic effects in addition to energetic particle kinetic behaviors. The extended model has been used for implementing an eXtended version of Hybrid Magnetohydrodynamics Gyrokinetic Code (XHMGC) to study thermal ion kinetic effects on Alfvénic modes driven by energetic particles, such as kinetic beta induced Alfvén eigenmodes in tokamak fusion plasmas.

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