<ul><li>PICT is a differentiable pressure-implicit solver developed in PyTorch with GPU support for fluid dynamics simulations.</li><li>The simulator's accuracy in forward simulation and gradients is validated in various benchmarks before demonstrating its ability to learn turbulence models in 2D and 3D.</li><li>Both supervised and unsupervised training regimes are applied, along with physical priors, to match flow statistics and learn a stable sub-grid scale model for 3D turbulent channel flow.</li><li>PICT is open source and available at https://github.com/tum-pbs/PICT for leveraging its capabilities in optimization and learning in physics simulations.</li></ul>

PICT -- A Differentiable, GPU-Accelerated Multi-Block PISO Solver for Simulation-Coupled Learning Tasks in Fluid Dynamics

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