Comparison of the Calculations of the Stability Properties of a Specific Stellarator Equilibrium with Different MHD Stability Codes

Comparison of the Calculations of the Stability Properties of a Specific Stellarator Equilibrium with Different MHD Stability Codes
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Total Pages: 34
Release: 1995
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A particular configuration of the LHD stellarator with an unusually flat pressure profile has been chosen to be a test case for comparison of the MHD stability property predictions of different three-dimensional and averaged codes for the purpose of code comparison and validation. In particular, two relatively localized instabilities, the fastest growing modes with toroidal mode number n = 2 and n = 3 were studied using several different codes, with the good agreement that has been found providing justification for the use of any of them for equilibria of the type considered.

Comparison of Two-dimensional and Three-dimensional MHD Equilibrium and Stability Codes

Comparison of Two-dimensional and Three-dimensional MHD Equilibrium and Stability Codes
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Total Pages:
Release: 1986
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ISBN:

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Stability results obtained with the fully three-dimensional magnetohydrodynamic code BETA, the helically invariant code HERA, and the asymptotic stellarator expansion code STEP agree well for a straight l = 2, M = 5 stellarator model. This good agreement between the BETA and STEP codes persists as toroidal curvature is introduced. This validation provides justification for confidence in work with these models. 20 refs., 11 figs.

Comparison of Two-dimensional and Three-dimensional MHD Equilibrium and Stability Codes

Comparison of Two-dimensional and Three-dimensional MHD Equilibrium and Stability Codes
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Total Pages:
Release: 1986
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ISBN:

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Stability results obtained with the fully three-dimensional magnetohydrodynamic code BETA, the helically invariant code HERA, and the asymptotic stellarator expansion code STEP agree well for a straight l = 2, M = 5 stellarator model. This good agreement between the BETA and STEP codes persists as toroidal curvature is introduced. This validation provides justification for confidence in work with these models. 20 refs., 11 figs.

Energy Research Abstracts

Energy Research Abstracts
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Total Pages: 600
Release: 1993
Genre: Power resources
ISBN:

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INIS Atomindex

INIS Atomindex
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Total Pages: 718
Release: 1995
Genre: Nuclear energy
ISBN:

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports
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Total Pages: 488
Release: 1995
Genre: Aeronautics
ISBN:

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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

MHD Computations for Stellarators

MHD Computations for Stellarators
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Total Pages:
Release: 1985
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ISBN:

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Considerable progress has been made in the development of computational techniques for studying the magnetohydrodynamic equilibrium and stability properties of three-dimensional configurations. Several different approaches have evolved to the point where comparison of results determined with different techniques shows good agreement. 55 refs., 7 figs.