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Practical calculators, technical guides, prompts, and references for CFD, aerodynamics, hydrodynamics, and engineering computation.

Popular Calculators

Estimate first cell height for CFD near-wall mesh setup from target y+, flow conditions, and wall-treatment assumptions.

Calculate flow regime and turbulence onset using SI inputs for engineering flow-regime estimates.

Calculate Courant number from SI inputs (velocity, time step, cell size) for CFD stability estimates.

Latest Guides

A practical guide to using AI in engineering simulation workflows, including CFD setup, documentation, review, automation, and model-checking support.

Understanding why monitoring residuals alone can lead to false convergence conclusions.

A comprehensive guide for CFD engineers on how to structure AI prompts for setting up simulations, defining physics, evaluating boundary conditions, and catching missing assumptions in engineering workflows.

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Sharing practitioner knowledge on CFD, aerodynamics, hydrodynamics, simulation tools, engineering calculators, automation, and artificial intelligence.

Engineering Disclaimer: All tools and guides are for educational and estimation purposes. They do not replace professional engineering judgment or certified solvers.