Fluid Mechanics
CFD & Numerical Methods Simulators
A focused Fluid Mechanics hub for cfd & numerical methods tools, keeping related formulas, assumptions, and engineering checks together.
7 simulators
Adjacent categories
Simulator list
CFD Mesh Quality Metrics Calculator
CFD & Numerical Methods
Real-time calculation of aspect ratio, skewness, and orthogonality. Instantly compare against OpenFOAM, ANSYS Fluent, and Star-CCM+ guidelines with interactive radar cha…
Convection-Diffusion Equation Simulator (Numerical Stability)
CFD & Numerical Methods
Simulate 1D convection-diffusion. Compare central, upwind, and QUICK schemes against the analytical solution. Test numerical stability with our .
Navier-Stokes Flow Visualization
CFD & Numerical Methods
Visualize 2D fluid dynamics in real-time. Adjust Reynolds number and flow type to see velocity, vorticity, and streamlines instantly in your browser.
SPH Fluid Simulator — Particle-Based Liquid Dynamics
CFD & Numerical Methods
Interactive 2D fluid simulator using SPH. Adjust viscosity, see turbulence, and add particles in real-time. Explore fluid dynamics hands-on.
2D Navier-Stokes Flow Simulator
CFD & Numerical Methods
Run vorticity-stream function CFD for lid-driven cavity flow. Adjust Reynolds number and grid size, then watch vorticity contours and streamlines develop.
Turbulence Model Selection Guide & y+ Calculator
CFD & Numerical Methods
Compare k-ε, k-ω SST, Spalart-Allmaras & LES models. Use our y⁺ calculator for first-cell height, friction velocity, and inlet turbulence boundary conditions.
CFD Near-Wall y⁺ Calculator
CFD & Numerical Methods
Calculate first-cell wall distance Δy and y⁺ for CFD near-wall mesh resolution from Reynolds number, fluid properties, and length scale. Compare wall-function and low-Re…