In this paper we present the extension of a full-wave FEM model (COMSOL®+MATLAB®) - initially developed to compute the electromagnetic field in presence of the anisotropic inhomogeneous plasma of the Electron Cyclotron Resonance Ion Sources (ECRISs) [1] – to the Ion Cyclotron Range of Frequency (ICRF). The model - based on the full non-uniform dielectric tensor in "cold plasma" approximation - has been employed to study antenna geometries of increasing complexity. Various antenna types have been analyzed, starting from single flat strap up to the two straps of an antenna option considered for the Divertor Tokamak Test facility (DTT) [2]. The results have been compared, cross-checked and validated with a simpler COMSOL-based tool [3] and with the TOPICA code [4].

Progress and verification of DTT ICRF antenna simulation using COMSOL / Torrisi, G.; Mascali, D.; Mauro, G. S.; Pidatella, A.; Ceccuzzi, S.; Baiocchi, B.; Cardinali, A.; Milanesio, D.; Mirizzi, F.; Ponti, C.; Ravera, G. L.; Tuccillo, A.; Vecchi, G.. - In: AIP CONFERENCE PROCEEDINGS. - ISSN 0094-243X. - ELETTRONICO. - 2984:(2023). (Intervento presentato al convegno 24th Topical Conference on Radio-Frequency Power in Plasmas tenutosi a Annapolis, USA nel 26–28 September 2022) [10.1063/5.0162609].

Progress and verification of DTT ICRF antenna simulation using COMSOL

Milanesio, D.;Vecchi, G.
2023

Abstract

In this paper we present the extension of a full-wave FEM model (COMSOL®+MATLAB®) - initially developed to compute the electromagnetic field in presence of the anisotropic inhomogeneous plasma of the Electron Cyclotron Resonance Ion Sources (ECRISs) [1] – to the Ion Cyclotron Range of Frequency (ICRF). The model - based on the full non-uniform dielectric tensor in "cold plasma" approximation - has been employed to study antenna geometries of increasing complexity. Various antenna types have been analyzed, starting from single flat strap up to the two straps of an antenna option considered for the Divertor Tokamak Test facility (DTT) [2]. The results have been compared, cross-checked and validated with a simpler COMSOL-based tool [3] and with the TOPICA code [4].
2023
978-0-7354-4604-5
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2981970