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Simulating Energetic Particle Modes in C-Mod Using TORIC Code

This study focuses on analyzing the structure and damping of Toroidal Alfven Eigenmodes (TAE) and other energetic particle modes through the TORIC simulation code, in comparison with experiments conducted on C-Mod. TORIC allows for a fully kinetic linear analysis of wave-like modes within lower frequency ranges in 2D equilibrium geometries. Potential adaptations to model external launchers will be explored, especially regarding TAE modes influenced by fast ions. Future work may include coupling TORIC with CQL3D to examine the quasilinear evolution of fast particle modes, with opportunities for comparative analysis with NSTX, DIII-D, and JET.

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Simulating Energetic Particle Modes in C-Mod Using TORIC Code

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  1. TORIC simulations of energetic particle modes in C-ModC.K. Phillips, P. T. Bonoli, and J.C. Wright Objective: Study the structure and damping of TAE and other energetic particle modes using the TORIC simulation code and compare to C-Mod experiments Supporting ideas: TORIC provides a fully kinetic but linear analysis of wave-like modes in the lower frequency ranges (Alfven, ICRF, LHCD) in actual 2D equilibrium geometry Should be possible to simulate TAE and related modes driven by external launchers (similar to work on JET by Fasoli et al) may require some modifications of “antenna model” in TORIC With upgrade of TORIC to include non-Maxwellian ions, may be possible to study modifications of TAE mode structure and damping due to presence of fast ions With coupling of TORIC to CQL3D in the future, may be able to simulate quasilinear evolution of fast particle modes Collaboration Opportunities: Comparative studies with NSTX, DIII-D and JET

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