Stability of the thermodynamic equilibrium: A test of the validity of dynamic models as applied to gyroviscous perpendicular magnetohydrodynamics
作者:
Mustafa Faghihi,
Jan Scheffel,
Gu¨nther O. Spies,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1988)
卷期:
Volume 31,
issue 5
页码: 1291-1292
ISSN:0031-9171
年代: 1988
DOI:10.1063/1.866759
出版商: AIP
数据来源: AIP
摘要:
Stability of the thermodynamic equilibrium is put forward as a simple test of the validity of dynamic equations, and is applied to perpendicular gyroviscous magnetohydrodynamics (i.e., perpendicular magnetohydrodynamics with gyroviscosity added). This model turns out to be invalid because it predicts exponentially growing Alfve´n waves in a spatially homogeneous static equilibrium with scalar pressure.
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