FLAPJAX — FLexible Aeroelastic Panel code in JAX
nonlinear · differentiable · adjoint-enabled
FLAPJAX is a differentiable nonlinear aeroelastic analysis framework which couples a nonlinear structural model with unsteady vortex lattice method (UVLM) aerodynamics. This allows for a range of structural, aerodynamic and coupled analyses, with gradients available using the adjoint method. The full codebase is implemented in JAX, which allows for efficient automatic differentiation, GPU acceleration and multi-case parallelisation.
Full documentation, including tutorials, API reference and theory, is available at ben-l-p.github.io/flapjax.
Installation
Installation is available using PyPi with:
pip install flapjax
Cloning the full repository and installing with uv is also supported, which allows for development installation:
uv sync
An extensive test suite is included to verify the correctness of the code. This verified the numerics, and takes approximately 30 minutes to run on an M2 MacBook Air. Tests can be run using pytest.
uv run pytest
1 maintainer
Release files for flapjax 1.2.0
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Source distribution (sdist)
| File | Size | Uploaded | |
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| flapjax-1.2.0.tar.gz | 3.2 MB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| flapjax-1.2.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 3.4 MB
Release files / flapjax-1.2.0.tar.gz
| Download URL | flapjax-1.2.0.tar.gz |
|---|---|
| Size | 3.2 MB |
| Tags | Source |
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Release files / flapjax-1.2.0-py3-none-any.whl
| Download URL | flapjax-1.2.0-py3-none-any.whl |
|---|---|
| Size | 220.0 kB |
| Tags | Python 3 |
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uv/0.12.5 {"installer":{"name":"uv","version":"0.12.5","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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