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2nd Fusion Neutronics Meeting 2026

8–12 Jun 2026
Karlsruhe Institute of Technology, Campus north
Europe/Berlin timezone

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Session

Invited Session

8 Jun 2026, 13:30
FTU (Karlsruhe Institute of Technology, Campus north)

FTU

Karlsruhe Institute of Technology, Campus north

Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen

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  1. 81. Fusion Neutronics: Highlights from Fifty Years of Development
    Dr Ulrich Fischer (Retired, ex-KIT)
    08/06/2026, 13:30
    Invited

    The development of Fusion Neutronics is closely related to Fusion Technology (FT) kicked-off in the 1970ies with the first tokamak reactor studies conducted then at the University of Wisconsin, Madison, in the US. Such studies necessitate the application of suitable computational tools, models and nuclear data to provide the nuclear responses required for assessing the nuclear performance of...

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  2. 78. Status of ITER Neutronics
    G. Náfrádi
    08/06/2026, 14:00
    Radiation mapping
    Invited

    G. Náfrádi1, S. Puthanveetil1, E. Polunovskiy1, G. Zeng1, G. Pedroche2, P. Martinez2, P. Guijosa2, N. Khvatkin2, A. Mayo2, L. Ruiz2, J. Alguacil2, V. López2, P. Sauvan2, R. Juárez2, R. Pampin3, D. Laghi3, M. Campos Fornés3, A. Bittesnich3, A. Cubí3, M. Di Giacomo3, M. Fabbri3, A. Kolšek3, T. Schioler1

    1 ITER Organization, Route de Vinon-sur-Verdon - CS 90 046 - 13067 St Paul Lez Durance...

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  3. 2. Is It Time for a Fusion-Specific Monte Carlo Code?
    Dr Jonathan Shimwell (Proxima fusion)
    09/06/2026, 09:00
    Neutronics Strategies, Workforce and Knowledge Base management

    Fusion neutronics has long relied on tools built for fission, adapting transport codes designed around criticality calculations, borrowing finite-element meshers intended for structural analysis, and working around defaults tuned for reactor physics. With a growing fusion industry, increasing demand from private companies, and the reduction in development effort enabled by large language...

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  4. 82. FERMI: Fusion Energy Reactor Models Integrator
    Dr Vittorio Badalassi (ORNL)
    09/06/2026, 09:30
  5. 84. EUROfusion Stellarator Neutronics
    Dr Iole Palermo (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain)
    10/06/2026, 15:40
    Invited

    Interest in stellarator-based fusion power plants has grown considerably within the fusion community, positioning stellarators as a promising alternative to tokamaks and motivating efforts toward their technological maturity and reactor readiness. Within this expanding stellarator ecosystem, the EUROfusion programme provides a coordinated, reactor-oriented, and physics-based framework for...

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  6. 61. A STEP on the path to commercial fusion: a nuclear analysis overview
    Tim Eade (UKIFS)
    11/06/2026, 09:00
    Facility nuclear design challenges
    Invited

    The Spherical Tokamak for Energy Production (STEP) is an ambitious programme to generate net energy from fusion and to stimulate an industry that will help prove its commercial viability. It will achieve this by producing a prototype tokamak powerplant to provide energy to the grid.

    The project is currently refining the overall plant architecture, plasma configuration and supporting...

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  7. 83. Gauss Fusion Neutronics Overview
    Dr Egor Vezhlev (gauss-fusion)
    11/06/2026, 09:30

    Gauss Fusion GmbH has recently established an open-source software-based workflow for stellarator neutronics that enables comprehensive and reproducible simulations of full-device stellarator machines. The framework integrates established community tools, including STELLOPT for magnetic equilibrium optimization, ParaStell for homogenized geometry generation, Coreform Cubit© and Gmsh for models...

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