All Modules

Fluid Dynamics & Navier-Stokes

Explore the physics of flowing fluids through 25 interactive demonstrations. Inject dye into a GPU-accelerated fluid solver, build potential flows, and discover why turbulence remains one of the great unsolved problems.

See also: Differential Equations for the Navier-Stokes equations as a PDE system, Fourier Analysis for spectral methods used in turbulence simulation, and Differential Geometry for vector fields and divergence on manifolds.

  1. 01

    Introduction to Fluid Dynamics

    What is a fluid? Viscosity, the continuum hypothesis, and compressibility

    3 demos
  2. 02

    Velocity Fields & Streamlines

    Eulerian vs Lagrangian descriptions, streamlines, pathlines, and streaklines

    3 demos
  3. 03

    The Navier-Stokes Equations

    Term-by-term breakdown of the governing equations of fluid motion

    3 demos
  4. 04

    Vorticity & Circulation

    The curl of velocity, Kelvin's circulation theorem, and vortex dynamics

    3 demos
  5. 05

    Potential Flow Theory

    Irrotational flow, superposition of sources and sinks, and the Joukowski airfoil

    4 demos
  6. 06

    Boundary Layers & Drag

    The no-slip condition, boundary layer growth, separation, and drag forces

    3 demos
  7. 07

    Turbulence & the Energy Cascade

    Laminar-to-turbulent transition, Kolmogorov theory, and the Millennium Prize Problem

    3 demos
  8. 08

    Real-World Applications

    Wind tunnels, weather patterns, blood flow, and aerodynamic design

    3 demos

Search