FluidSim Installation

Requirements

• Python >= 3.9
• Virtual environment recommended

Installation Methods

Basic Installation

Install fluidsim using uv:

uv pip install fluidsim

With FFT Support (Required for Pseudospectral Solvers)

Most fluidsim solvers use Fourier-based methods and require FFT libraries:

uv pip install "fluidsim[fft]"

This installs fluidfft and pyfftw dependencies.

With MPI and FFT (For Parallel Simulations)

For high-performance parallel computing:

uv pip install "fluidsim[fft,mpi]"

Note: This triggers local compilation of mpi4py.

Environment Configuration

Output Directories

Set environment variables to control where simulation data is stored:

FFT Method Selection

Specify FFT implementation (optional):

Verification

Test the installation:

pytest --pyargs fluidsim

No Authentication Required

FluidSim does not require API keys or authentication tokens.