GHWC: A GPU-accelerated version of GHW in CUDA

Description

GHWC is a GPU-accelerated gyrofluid code for simulating quasi-two-dimensional turbulence with consistent finite Larmor radius (FLR) effects in magnetized plasmas. The simulation setup allows for fundamental studies of FLR effects on isothermal resistive drift waves, turbulence, and zonal flows. It includes the standard Hasegawa-Wakatani model in the limit of cold ions. It is a GPU-accelerated update of GHW, rewritten in CUDA. This version has already been used in a recent publication on zonal-flow merging.

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