Magnetohydrodynamic equilibrium and stability of stellarators

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書誌事項

Magnetohydrodynamic equilibrium and stability of stellarators

Frances Bauer, Octavio Betancourt, Paul Garabedian

Springer-Verlag, c1984

  • : us
  • : gw

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注記

Bibliography: p. [57]-59

Includes index

内容説明・目次

内容説明

In this book, we describe in detail a numerical method to study the equilibrium and stability of a plasma confined by a strong magnetic field in toroidal geometry without two-dimensional symmetry. The principal appli- cation is to stellarators, which are currently of interest in thermonuclear fusion research. Our mathematical model is based on the partial differential equations of ideal magnetohydrodynamics. The main contribution is a computer code named BETA that is listed in the final chapter. This work is the natural continuation of an investigation that was presented in an early volume of the Springer Series in Computational Physics (cf. [3]). It has been supported over a period of years by the U.S. Department of Energy under Contract DE-AC02-76ER03077 with New York University. We would like to express our gratitude to Dr. Franz Herrnegger for the assistance he has given us with the preparation of the manuscript. We are especially indebted to Connie Engle for the high quality of the final typescript. New York F. BAUER October 1983 O. BETANCOURT P. GARABEDIAN Contents 1. Introduction 1 2. Synopsis of the Method 3 1. Variational principle 3 2. Coordinate system 6 3. Finite Difference Scheme 8 1. Difference equations ..." 8 2. Island structure ...10 3. Accelerated iteration procedure ...12 Nonlinear Stability 15 4. 1. Second minimization ...15 ...2. Test functions and convergence studies ...17 . 3. Comparison with exact solutions ...19 5. The Mercier Criterion 22 1. Local mode analysis ...22 ...2. Computational method ...23 ...

目次

1. Introduction.- 2. Synopsis of the Method.- 1. Variational principle.- 2. Coordinate system.- 3. Finite Difference Scheme.- 1. Difference equations.- 2. Island structure.- 3. Accelerated iteration procedure.- 4. Nonlinear Stability.- 1. Second minimization.- 2. Test functions and convergence studies.- 3. Comparison with exact solutions.- 5. The Mercier Criterion.- 1. Local mode analysis.- 2. Computational method.- 3. Island width and anomalous diffusion.- 6. Transport.- 1. Classical and neoclassical models.- 2. Flux coordinates.- 7. Stellarator Experiments.- 1. The mathematical model.- 2. The Heliotron E.- 3. The Wendelstein W VII-A.- 8. The ATF-1 and the WISTOR-U.- 1. Helical coil winding laws.- 2. Beta limits for the ATF-1.- 9. Heliac.- 1. Helically symmetric equilibria.- 2. Stability.- 3. Free boundary equilibria.- 10. References.- 11. Description of the Computer Code BETA.- 1. Introduction.- 2. Geometry.- 3. Initialization.- 4. Grids.- 5. Convergence.- 6. Stability.- 7. Iteration.- 8. Vacuum region.- 9. Printed output.- 10. Plots.- 12. Glossary.- 13. Sample Run.- 14. Listing of Code BETA with Comment Cards.

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