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10

CPHYSICS
2004

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Modeling plasma-wall interactions in First Wall-Limiter geometry

13 years 4 months ago

Modeling plasma-wall interactions in First Wall-Limiter geometry

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We test the standard edge plasma code B2-solps5.0 on a model First-Wall Limiter (FWL) geometry. The presence of a tangency point between the solid wall and the magnetic separatrix introduces a singular point in the geometry. A quadrilateral computational mesh can fit the given configuration only if it is highly distorted, constituting a severe test for any numerical scheme. The original 5-point molecule adopted by B2-solps5.0 fails to solve the plasma transport equations near the singular point. A correction scheme is proposed, which is equivalent to adopting a 9-point stencil. 2004 Elsevier B.V. All rights reserved.

F. Subba, R. Zanino

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CPHYSICS 2004 | Model First-wall Limiter | Singular Point | Standard Edge Plasma |

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Added	17 Dec 2010
Updated	17 Dec 2010
Type	Journal
Year	2004
Where	CPHYSICS
Authors	F. Subba, R. Zanino

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