Hybrid simulations of the effects of energetic particles on low-frequency MHD waves (Q1371991)
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scientific article; zbMATH DE number 1084034
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Hybrid simulations of the effects of energetic particles on low-frequency MHD waves |
scientific article; zbMATH DE number 1084034 |
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Hybrid simulations of the effects of energetic particles on low-frequency MHD waves (English)
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15 December 1997
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A hybrid MHD-gyrokinetic model is set up in order to study interactions of energetic particles with low-frequency MHD waves in a self-consistent way. The magnetic field is assumed sufficiently weak that results in a large plasma-beta parameter. Dynamics of energetic particles is treated by gyrokinetic equations, while the rest of the plasma is described by nonlinear one-fluid MHD equations. The results obtained with a two-dimensional code applied to this model, show a good agreement with linear dispersion analysis of modes including their Landau damping and instabilities.
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hybrid MHD-gyrokinetic model
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large plasma-beta parameter
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nonlinear one-fluid MHD equations
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0.85782623
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0.8505447
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0.8486363
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0.84393024
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