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September 20, 2025Nuclear FusionOpen Access

Verification of techniques for accelerated and stable SOLPS-ITER simulations including plasma drifts

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Authors

MCM. CarpitaETE. TonelloCCC. Colandrea

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Overview

Verification techniques improve convergence time in SOLPS-ITER simulations, suggesting effective management of numerical instabilities.

Key Points

  • Approximately 3 orders of magnitude speed-up achieved in SOLPS-ITER simulations without affecting stationary solutions.
  • Key factors influencing radial boundary instability include mesh setup, internal iterations, and boundary conditions.
  • Techniques tested include increasing time-step limits and reducing computational costs to address core instabilities.
  • Optimization methods were verified against various divertor geometries and plasma conditions to ensure stability.

Cite This Study

Carpita et al. (2025) studied this question.

synapsesocial.com/papers/68d46aa631b076d99fa67584https://doi.org/10.1088/1741-4326/ae0950
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