NOVA: a nonvariational code for solving MHD stability of axisymmetric toroidal plasmas

Technical Report · Mon Mar 31 23:00:00 EST 1986

DOI:https://doi.org/10.2172/5841622· OSTI ID:5841622

Cheng, C Z; Chance, M S

A nonvariational approach for determining the ideal MHD stability of axisymmetric toroidal confinement systems is presented. The code (NOVA) employs cubic B-spline finite elements and Fourier expansion in a general flux coordinate (psi, theta, zeta) system. Better accuracy and faster convergence were obtained in comparison with the variational PEST and ERATO codes. The nonvariational approach can be extended to problems having non-Hermitian eigenmode equations where variational energy principles cannot be obtained.

• Research Organization: Princeton Univ., NJ (USA). Plasma Physics Lab.
• DOE Contract Number: AC02-76CH03073
• OSTI ID: 5841622
• Report Number(s): PPPL-2325; ON: DE86011164
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107* -- Fusion Energy-- Plasma Research-- Instabilities
BETA RATIO
CLOSED PLASMA DEVICES
COMPUTER CODES
FINITE ELEMENT METHOD
FLUID MECHANICS
HYDRODYNAMICS
INSTABILITY
MAGNETOHYDRODYNAMICS
MECHANICS
N CODES
NUMERICAL SOLUTION
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
THERMONUCLEAR DEVICES
TOKAMAK DEVICES