TORAX: Tokamak transport simulation in JAX ========================================== TORAX is a differentiable tokamak core transport simulator aimed for fast and accurate forward modelling, pulse-design, trajectory optimization, and controller design workflows. TORAX is written in Python using the JAX_ library. .. grid:: 3 :margin: 0 :padding: 0 :gutter: 0 .. grid-item-card:: Flexible :columns: 12 6 6 4 :class-card: sd-border-0 :shadow: None Python facilitates coupling within various workflows and to additional physics models. Easy to install and JAX can seamlessly execute on multiple backends including CPU and GPU. .. grid-item-card:: Fast and auto-differentiable :columns: 12 6 6 4 :class-card: sd-border-0 :shadow: None JAX provides just-in-time compilation for fast runtimes. JAX auto-differentiability enables gradient-based nonlinear PDE solvers and simulation sensitivity analysis while avoiding the need to manually derive Jacobians. .. grid-item-card:: ML-surrogates :columns: 12 6 6 4 :class-card: sd-border-0 :shadow: None ML-surrogate coupling for fast and accurate simulation is greatly facilitated by JAX's inherent support for neural network development and inference. .. grid:: 3 .. grid-item-card:: :material-regular:`rocket_launch;2em` Getting Started :columns: 12 6 6 4 :link: beginner-guides :link-type: ref :class-card: getting-started .. grid-item-card:: :material-regular:`library_books;2em` User Guides :columns: 12 6 6 4 :link: user-guides :link-type: ref :class-card: user-guides .. grid-item-card:: :material-regular:`laptop_chromebook;2em` Developer Docs :columns: 12 6 6 4 :link: developer-guides :link-type: ref :class-card: developer-docs .. toctree:: :hidden: :maxdepth: 1 :caption: Getting Started overview installation quickstart faq .. toctree:: :hidden: :maxdepth: 2 :caption: Further Resources user_guides developer_guides tutorials roadmap contributing citing contact .. toctree:: :hidden: :maxdepth: 1 glossary .. _JAX: https://jax.readthedocs.io/