Community Research and Development Information Service - CORDIS

Abstract

Drift-type microinstabilities such as eta-i and trapped ion modes are good candidates fro explaining anomalous transport in tokamaks. This project aims at modelling accurately the linear physics of these modes in realistic toroidal geometry.

The modelling of the instabilities requires a gyro-average kinetic description of the plasma. The pertinent 5-dimensional phase space problem can be solved with particle-in-cell (PIC) methods. These algorithms can be implemented efficiently on massively parallel machines, taking advantage of their large memory and computing power. The code presented here runs on the CRAY T3D parallel supercomputer. The model includes full banana orbits and arbitrary density and temperatures profiles. It is run at realistic aspect ration, with a magnetic structure obtained from a Solovev equilibrium. .

Additional information

Authors: FIVAZ M, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches enPhysique des Plasmas (CH);APPERT K, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches enPhysique des Plasmas (CH);VACLAVIK J, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches enPhysique des Plasmas (CH)
Bibliographic Reference: Article: Proceedings of the 22nd European Physical Society Conference on Controlled Fusion and Plasma Physics, Vol. 19C (1995) Part IV, pp. 233-236
Record Number: 199610080 / Last updated on: 1996-02-16
Category: PUBLICATION
Original language: en
Available languages: en