A finite element approach is described, for modelling transport in tokamak edge and divertor plasma. The method discretizes all transport equations on an unstructured triangular mesh. The advantages and difficulties of this approach are discussed. Results are presented and compared with experimental measurements made on TdeV. Example results are also given for JET, using a simplified physics model (single ion species, no neutrals and no flux limits), and using a more comprehensive model with helium impurity ions and neutrals.
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R. Marchand (2002) studied this question.
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