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General Fusion’s Magnetized Target Fusion approach involves compressing a spherical tokamak plasma to achieve fusion conditions. This presentation will detail how the COMSOL Multiphysics® software was used in the LM26 fusion demonstration, which has been in operation since February 2025. Initially, COMSOL® was used to model the magnetomechanical compression of small-scale lithium rings and cylinders. These 2D axisymmetric models, which coupled the nonlinear solid mechanics, magnetic field, and heat…
