Modeling of particle transport, neutrals and radiation in magnetically-confined plasmas with Aurora

In this work, we present Aurora, an open-source package for particle transport, neutrals and radiation modeling in magnetic confinement fusion plasmas. Aurora's modern multi-language interface enables simulations of 1.5D impurity transport within high-performance computing frameworks, particula...

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Veröffentlicht in:Plasma physics and controlled fusion 2021-11, Vol.63 (11), p.112001
Hauptverfasser: Sciortino, F, Odstrčil, T, Cavallaro, A, Smith, S P, Meneghini, O, Reksoatmodjo, R, Linder, O, Lore, J D, Howard, N T, Marmar, E S, Mordijck, S
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container_end_page
container_issue 11
container_start_page 112001
container_title Plasma physics and controlled fusion
container_volume 63
creator Sciortino, F
Odstrčil, T
Cavallaro, A
Smith, S P
Meneghini, O
Reksoatmodjo, R
Linder, O
Lore, J D
Howard, N T
Marmar, E S
Mordijck, S
description In this work, we present Aurora, an open-source package for particle transport, neutrals and radiation modeling in magnetic confinement fusion plasmas. Aurora's modern multi-language interface enables simulations of 1.5D impurity transport within high-performance computing frameworks, particularly for the inference of particle transport coefficients. A user-friendly Python library allows simple interaction with atomic rates from the Atomic Data and Atomic Structure database as well as other sources. This enables a range of radiation predictions, both for power balance and spectroscopic analysis. We discuss here the superstaging approximation for complex ions, as a way to group charge states and reduce computational cost, demonstrating its wide applicability within the Aurora forward model and beyond. Aurora also facilitates neutral particle analysis, both from experimental spectroscopic data and other simulation codes. Leveraging Aurora's capabilities to interface SOLPS-ITER results, we demonstrate that charge exchange is unlikely to affect the total radiated power from the ITER core during high performance operation. Finally, we describe the ImpRad module in the one modeling framework for integrated task framework, developed to enable experimental analysis and transport inferences on multiple devices using Aurora.
doi_str_mv 10.1088/1361-6587/ac2890
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subjects 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
integrated modeling
ITER
neutrals
particle transport
radiation
spectroscopy
superstaging
title Modeling of particle transport, neutrals and radiation in magnetically-confined plasmas with Aurora
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