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Title: Energy-Casimir, dynamically accessible, and Lagrangian stability of extended magnetohydrodynamic equilibria

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.5125573· OSTI ID:1801010

The formal stability analysis of Eulerian extended magnetohydrodynamics (XMHD) equilibria is considered within the noncanonical Hamiltonian framework by means of the energy-Casimir variational principle and the dynamically accessible stability method. Specifically, we find explicit sufficient stability conditions for axisymmetric XMHD and Hall MHD (HMHD) equilibria with toroidal flow and for equilibria with arbitrary flow under constrained perturbations. The dynamically accessible, second-order variation of the Hamiltonian, which can potentially provide explicit stability criteria for generic equilibria, is also obtained. Moreover, we examine the Lagrangian stability of the general quasineutral two-fluid model written in terms of MHD-like variables, by finding the action and the Hamiltonian functionals of the linearized dynamics, working within a mixed Lagrangian-Eulerian framework. Upon neglecting electron mass, we derive a HMHD energy principle, and in addition, the perturbed induction equation arises from Hamilton's equations of motion in view of a consistency condition for the relation between the perturbed magnetic potential and the canonical variables.

Research Organization:
Univ. of Texas, Austin, TX (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FG05-80ET53088; FG05-80ET-53088
OSTI ID:
1801010
Alternate ID(s):
OSTI ID: 1581013
Journal Information:
Physics of Plasmas, Vol. 27, Issue 1; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

References (62)

Variational principle for linear stability of flowing plasmas in Hall magnetohydrodynamics journal February 2006
Ellipticity conditions for the extended MHD Grad-Shafranov-Bernoulli equilibrium equations journal February 2019
Über die Ausbreitung von Wellen in einem Plasma journal January 1959
Helically symmetric extended magnetohydrodynamics: Hamiltonian formulation and equilibrium variational principles journal May 2018
Two variational principles for incompressible plasmas journal November 1999
Variational principles for equilibrium states with plasma flow journal September 1998
Hamiltonian magnetohydrodynamics: symmetric formulation, Casimir invariants, and equilibrium variational principles text January 2012
The effects of sheared toroidal rotation on stability limits in tokamak plasmas journal October 2011
Inertial magnetohydrodynamics journal March 2015
Stabilization of the internal kink mode in a tokamak by toroidal plasma rotation journal March 2000
Lyapunov stability of perfect fluid and multifluid plasma equilibria journal June 1997
Ballooning mode stability in the Hall-magnetohydrodynamics model journal March 2005
Ertel's vorticity theorem and new flux surfaces in multi-fluid plasmas journal September 2013
Canonical Hamiltonian mechanics of Hall magnetohydrodynamics and its limit to ideal magnetohydrodynamics journal July 2013
A powerful local shear instability in weakly magnetized disks. I - Linear analysis. II - Nonlinear evolution journal July 1991
On Hamiltonian and Action Principle Formulations of Plasma Dynamics
  • Morrison, P. J.; Eliasson, Bengt; Shukla, Padma K.
  • NEW DEVELOPMENTS IN NONLINEAR PLASMA PHYSICS: Proceedings of the 2009 ICTP Summer College on Plasma Physics and International Symposium on Cutting Edge Plasma Physics, AIP Conference Proceedings https://doi.org/10.1063/1.3266810
conference January 2009
A sufficient condition for the ideal instability of shear flow with parallel magnetic field journal April 1991
The free energy of Maxwell–Vlasov equilibria journal June 1990
Hydromagnetic stability of a diffuse linear pinch journal June 1960
Concomitant Hamiltonian and topological structures of extended magnetohydrodynamics journal July 2016
Shear flow destabilization of a slowly rotating tokamak journal January 1998
Hamiltonian magnetohydrodynamics: Helically symmetric formulation, Casimir invariants, and equilibrium variational principles journal May 2012
Translationally symmetric extended MHD via Hamiltonian reduction: Energy-Casimir equilibria journal September 2017
On energy conservation in extended magnetohydrodynamics text January 2014
Variational Stability Problem for MHD Model with Hall Effect journal January 1999
Hamiltonian formulation and analysis of a collisionless fluid reconnection model journal June 2008
Hamiltonian Magnetohydrodynamics: Lagrangian, Eulerian, and Dynamically Accessible Stability - Theory text January 2013
Noncanonical Hamiltonian Density Formulation of Hydrodynamics and Ideal Magnetohydrodynamics journal September 1980
Remarkable connections between extended magnetohydrodynamics models journal July 2015
Kelvin–Helmholtz Instability in the Solar Atmosphere, Solar Wind and Geomagnetosphere journal April 2016
Hall magnetohydrodynamics: Conservation laws and Lyapunov stability journal January 1987
An energy principle for hydromagnetic stability problems
  • Bernstein, I. B.; Frieman, E. A.; Kruskal, Martin David
  • Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, Vol. 244, Issue 1236, p. 17-40 https://doi.org/10.1098/rspa.1958.0023
journal February 1958
Hamiltonian structure and stability analysis of a reduced four-field model for plasmas in the presence of a strong guide field journal December 2012
Influence of the Hall effect and electron inertia in collisionless magnetic reconnection text January 2015
Stability of long field-reversed configurations journal February 2002
A sufficient condition for the linear stability of magnetohydrodynamic equilibria with field aligned incompressible flows journal December 2007
Hamiltonian description of the ideal fluid journal April 1998
Hamiltonian formalism of extended magnetohydrodynamics journal May 2015
Lyapunov stability analysis of magnetohydrodynamic plasma equilibria with axisymmetric toroidal flow journal January 1988
Geospace Environmental Modeling (GEM) Magnetic Reconnection Challenge journal March 2001
Linear stability of static equilibrium states in the Hall-magnetohydrodynamics model journal November 2004
Dynamically accessible perturbations and magnetohydrodynamic stability journal July 2003
Hamiltonian magnetohydrodynamics: Lagrangian, Eulerian, and dynamically accessible stability—Theory journal September 2013
A quarter-century of H-mode studies journal November 2007
Hamiltonian and action formalisms for two-dimensional gyroviscous magnetohydrodynamics journal August 2014
A theory for the pressure pedestal in high (H) mode tokamak discharges journal March 2005
Derivation of the Hall and extended magnetohydrodynamics brackets journal June 2016
Hamiltonian Formalism of Extended Magnetohydrodynamics text January 2014
Stabilization of ballooning modes with sheared toroidal rotation journal October 1995
Variational formulation for a multifluid flowing plasma with application to the internal tilt mode of a field-reversed configuration journal January 1988
Ideal and resistive magnetohydrodynamic instabilities in cylindrical geometry with a sheared flow along the axis journal March 2017
Free-energy expressions for Vlasov equilibria journal October 1989
Hamiltonian magnetohydrodynamics: Lagrangian, Eulerian, and dynamically accessible stability—Examples with translation symmetry journal October 2016
Linear and nonlinear stability criteria for compressible MHD flows in a gravitational field journal June 2013
On Hydromagnetic Stability of Stationary Equilibria journal October 1960
Erratum: “Hamiltonian magnetohydrodynamics: Lagrangian, Eulerian, and dynamically accessible stability—Theory” [Phys. Plasmas 20, 092104 (2013)] journal March 2015
Influence of the Hall effect and electron inertia in collisionless magnetic reconnection journal February 2016
Action principles for extended magnetohydrodynamic models journal September 2014
Nonlinear stability of fluid and plasma equilibria journal July 1985
Suppression of turbulence and transport by sheared flow journal January 2000
On energy conservation in extended magnetohydrodynamics journal August 2014
Pyridine nucleotides in glucose metabolism and diabetes: a review journal January 2000