Bug
Quand je suis sur l’appli et que je dessine une forme et que je fait entrer ça me dit calculating et ça reste sur la même page après 10 minutes
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About
Visualize real fluid dynamics on your device by drawing shapes and simulating their interaction with air or liquid. Explore flow patterns, measure aerodynamic coefficients, and understand physics with real calculations, not approximations.
✓Draw custom shapes for simulation
✓Real-time 2D fluid dynamics calculations
✓Multiple visualization modes (velocity, pressure, vorticity, streamlines)
✓Calculate aerodynamic coefficients (drag, lift)
✓Place probes to track fluid properties
✓Adjust simulation parameters (inlet velocity, viscosity)
✓Compare different shape designs
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What's New in Pixel Wind Tunnel
1.1.0
October 20, 2026
- New lattice Boltzmann solver: faster and stable even at very high Reynolds numbers - 3D mode: extrude your 2D shape in depth and orbit the camera with two fingers, with 3D streamlines - Turbulence: LES model, inlet turbulence and a turbulence display mode - Grid scales with your screen; drawings keep their shape when rotating the device - Brush with adjustable size, straight lines with X/Y lock, pinch-to-zoom drawing - Choose 1000-5000 steps; the step counter now runs through the whole simulation - Improved iPad layout and more accurate drag and lift coefficients - Banner ads support the app
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FAQ
What is Pixel Wind Tunnel?
Pixel Wind Tunnel is a 2D fluid simulation app that performs real Computational Fluid Dynamics (CFD) calculations on your device. It uses the incompressible Navier-Stokes equations to model fluid behavior around shapes you draw.
How does Pixel Wind Tunnel work?
You draw any shape with your finger, tap 'Simulate,' and watch the fluid flow develop in real time. The app then calculates various physical properties and aerodynamic coefficients.
What kind of physics does Pixel Wind Tunnel simulate?
It simulates real fluid physics, including velocity, pressure, vorticity, and streamlines. It calculates aerodynamic coefficients like drag (Cd) and lift (Cl) based on surface pressure and viscous stress.
Does Pixel Wind Tunnel have ads?
Yes, Pixel Wind Tunnel contains advertisements. As a free application, ads are displayed to support its development and availability.
What devices is Pixel Wind Tunnel compatible with?
Pixel Wind Tunnel is available for iPhone, iPad, and iPod touch devices. It runs on iOS.
How often is Pixel Wind Tunnel updated?
The latest version is 1.1.0, last updated on October 20, 2026. Updates typically bring improvements and new features to the simulation engine and user interface.
Can I compare different designs in Pixel Wind Tunnel?
Yes, you can draw two different shapes and compare their aerodynamic performance, such as which one has less drag. This allows for data-driven understanding of design principles.
Is Pixel Wind Tunnel suitable for educational purposes?
Absolutely. It's designed for students, teachers, and anyone curious about fluid mechanics. It provides real-time visualization and calculations to demonstrate aerodynamic concepts effectively.
