Abstract
A new 3D full-wave code, named CUWA, is developed to investigate the physics of RF wave propagation in the electron cyclotron frequency range in magnetised plasmas. The code utilises the Finite Difference Time Domain (FDTD) technique and takes advantage of massive parallel computations with Graphics Processing Units (GPU), which allows for a significant acceleration of the computations. As examples of code application we show 3D calculations of the linear transformation of ordinary to extraordinary electron-cyclotron waves and mode coupling in a sheared magnetic field. Thanks to its speed, the GPU-capable code allows for efficient and large parametric scans over a broad range of parameters.
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