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FreeGSNKE Pulse Design Tool: in-silico scenario design and control validation for tokamak plasmas

Authors
Affiliations
UKAEA
UKAEA
STFC Hartree Centre
STFC Hartree Centre
STFC Hartree Centre
STFC Hartree Centre
UKAEA
UKAEA
UKAEA
UKAEA
UKAEA

I’ll cover continuing progress on FreeGSNKE, a fully open-source Python code for simulating both static and evolutive tokamak plasma equilibria. Alongside existing static forward/inverse and evolutive forward solvers, the FreeGSNKE ecosystem now also includes capabilities for calculating virtual circuits and vertical growth rates. Recent work has focused on equipping FreeGSNKE with a Plasma Control System (PCS) to enable plasma position, shape, and current control. While inspired by the controllers used on the MAST Upgrade tokamak, the framework can be customised to any axisymmetric machine. The resulting FreeGSNKE Pulse Design Tool (FPDT) supports in-silico scenario design, control design, and control validation. We aim to open source this tool as part of the FreeGSNKE ecosystem.

Repository

https://github.com/FusionComputingLab/freegsnke