fluidsim

Simulate Navier-Stokes, shallow water, and stratified flows with FFT-based pseudospectral methods.

3|Updated Apr 17, 2026

Search Tags:#Python #CFD #geophysics #fluid mechanics #computational fluid dynamics

Ready to run

npx skills add https://github.com/RamanEbrahimi/raman-marketplace --skill fluidsim-ramanebrahimi

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: fluidsim
Source: https://github.com/RamanEbrahimi/raman-marketplace/tree/main/plugins/agentic-research/skills/scientific-skills/fluidsim
Command: npx skills add https://github.com/RamanEbrahimi/raman-marketplace --skill fluidsim-ramanebrahimi

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pyfftw, numpy, scipy, mpi4py, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

FluidSim addresses the complex challenge of computational fluid dynamics (CFD) simulations, providing a Python-based framework for accurate and efficient modeling of fluid flows across a wide range of scientific disciplines.

Core Features & Use Cases

Computational Fluid Dynamics: Offers solvers for Navier-Stokes equations, shallow water equations, and stratified flows.
High Performance: Utilizes pseudospectral methods with FFT and supports high-performance computing (HPC).
Use Case: Ideal for researchers in fluid mechanics, geophysics, and environmental science, enabling detailed simulations of turbulent flows, vortex dynamics, and geophysical flows.

Quick Start

To initiate a 2D Navier-Stokes simulation, simply run the following command: Simul(params).time_stepping.start()

Frequently Asked Questions about fluidsim

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I run Navier-Stokes simulations in Python for fluid mechanics research?▼

Python-based CFD frameworks provide solvers for Navier-Stokes equations using FFT-based pseudospectral methods, enabling you to simulate turbulent flows and vortex dynamics by calling Simul(params).time_stepping.start().

What is the best way to simulate stratified flows and shallow water equations for geophysics?▼

Simulating stratified flows and shallow water equations for geophysics requires a Python CFD framework equipped with specialized solvers and FFT-based pseudospectral methods to model environmental fluid dynamics accurately.

Can I use FFT-based pseudospectral methods for high-performance computing in fluid dynamics?▼

Yes, FFT-based pseudospectral methods support high-performance computing (HPC) in fluid dynamics by leveraging dependencies like pyfftw and mpi4py to enable efficient parallel processing of large-scale simulations.

Does Python CFD support MPI for parallel processing of large-scale fluid simulations?▼

Python CFD frameworks support MPI for parallel processing of large-scale fluid simulations by integrating the mpi4py dependency, enabling researchers to distribute computational workloads across high-performance computing clusters.

What Python libraries are required for computational fluid dynamics simulations with pseudospectral solvers?▼

Computational fluid dynamics simulations with pseudospectral solvers require Python libraries including numpy and scipy for core numerical operations, pyfftw for fast Fourier transforms, and mpi4py for parallel computing support.

How do I model turbulent flows in environmental science using Python?▼

Modeling turbulent flows in environmental science using Python involves employing CFD frameworks that solve the Navier-Stokes equations with FFT-based pseudospectral methods, providing detailed fluid flow simulations for geophysical research.