PhiFlow

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Beginner Guides

Installation Instructions: Requirements, installation, CUDA compilation

Cookbook: Example code snippets for various things

Tensors and Dimensions

• ▶️ Introduction Video
• Introduction Notebook

Differentiation

• Billiards
• Differentiable fluid simulations

Fluids

• ▶️ Introduction Video
• Differentiable fluid simulations
• Higher-order incompressible fluids

I/O

• Introduction to Scenes

Neural Networks

• ▶️ Introduction Video
• Learning to Throw

Advanced

• What to Avoid: How to keep your code compatible with PyTorch, TensorFlow and Jax

Module Documentation

Module API	Documentation
phi.vis	Visualization: Plotting, interactive user interfaces Dash: Web interface Console: Command line interface
phi.physics phi.physics.advect phi.physics.fluid phi.physics.diffuse	Fluids Tutorial: Introduction to core classes and fluid-related functions. Higher-order schemes: Compares the accuracy of various numerial schemes. Overview: Domains, built-in physics functions Functions for Fluid Simulations: Advection, projection, diffusion
phi.field	Overview: Grids, particles Staggered Grids: Data layout, usage Reading and Writing Simulation Data Scene Format Specification: Directory layout, file format
phi.geom	Overview: Differentiable Geometry

Core Classes

API Documentation

The API documentation is generated using pdoc3. To manually generate the documentation, add the PhiFlow directory to your Python path and run

$ pdoc --html --output-dir docs --force phi

This requires PyTorch, TensorFlow and Jax to be installed, in addition to the standard Φ_Flow requirements.

Contributing to Φ_Flow

Contributions are welcome!

If you have changes to merge, check out our style guide before opening a pull request.

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