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FluidSim

Maintainer K-Dense Inc. · Last updated April 1, 2026

FluidSim is an object-oriented Python framework for high-performance computational fluid dynamics (CFD) simulations. It provides solvers for periodic-domain equations using pseudospectral methods with FFT, delivering performance comparable to Fortran/C++ while maintaining Python's ease of use. **Key strengths**: - Multiple solvers: 2D/3D Navier-Stokes, shallow water, stratified flows - High performance: Pythran/Tran….

Claude CodeAnalysisReproductionfluidsimengineeringpackageengineering & simulation

Original source

K-Dense-AI/claude-scientific-skills

https://github.com/K-Dense-AI/claude-scientific-skills/tree/main/scientific-skills/fluidsim

Maintainer
K-Dense Inc.
License
CeCILL FREE SOFTWARE LICENSE AGREEMENT
Last updated
April 1, 2026

Skill Snapshot

Key Details From SKILL.md

2 min

Key Notes

  • Multiple solvers: 2D/3D Navier-Stokes, shallow water, stratified flows.
  • High performance: Pythran/Transonic compilation, MPI parallelization.
  • Complete workflow: Parameter configuration, simulation execution, output analysis.
  • Interactive analysis: Python-based post-processing and visualization.
  • FluidSim is an object-oriented Python framework for high-performance computational fluid dynamics (CFD) simulations. It provides solvers for periodic-domain equations using pseudospectral methods with FFT, delivering performance comparable to Fortran/C++ while maintaining Python's ease of use.

Source Doc

Excerpt From SKILL.md

1. Installation and Setup

Install fluidsim using uv with appropriate feature flags:


## With FFT support (required for most solvers)

uv uv pip install "fluidsim[fft]"

## With MPI for parallel computing

uv uv pip install "fluidsim[fft,mpi]"
bash
export FLUIDSIM_PATH=/path/to/simulation/outputs
export FLUIDDYN_PATH_SCRATCH=/path/to/working/directory

No API keys or authentication required.

See references/installation.md for complete installation instructions and environment configuration.

Use cases

  • Use when running fluid dynamics simulations including Navier-Stokes equations (2D/3D), shallow water equations, stratified flows, or when analyzing turbulence, vortex dynamics, or geophysical flows.

Not for

  • Do not rely on this catalog entry alone for installation or maintenance details.

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