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A Fokker-Planck code for the numerical solution of the plasma heating and the current drive problems with synergetic effects

✍ Scribed by M. Shoucri; I. Shkarofsky

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 698 KB
Volume: 78
Category: Article
ISSN: 0010-4655
DOI: 10.1016/0010-4655(93)90155-6

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✦ Synopsis

A code developed to solve the quasilinear 2-D Fokker-Planck equation and previously applied to study the synergetic effect of lower hybrid current drive (LHCD) with electron cyclotron (EC) heating [Comput. Phys. Commun. 55 (1989) 253] is generalized to solve the current drive problem involving the synergetic effect of fast waves with electron cyclotron waves or of fast waves (FW) with lower hybrid waves. The code is relativistic and is no longer than about 170 FORTRAN lines. The input data for this code requires specifying parameters given in about five lines. The code uses the finite element library PDE-PROTRAN, or its new version PDE2D to solve the differential equation directly on a 2-D domain.

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A quasilinear Fokker-Planck code for the numerical solution of the lower-hybrid current-drive problem in the presence of electron cyclotron heating

✍ M. Shoucri; I. Shkarofsky; V. Fuchs; K. Kupfer; A. Bers; S. Luckhardt 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 687 KB

The finite element library PDE-PROTRAN is applied for the numerical solution of a quasilinear two-dimensional Fokker-Planck equation to study the cross-effect of electron cyclotron heating and lower-hybrid current drive in tokamak plasmas. Results show that the current drive efficiency of EC waves i