Guides & Theory
Technical guides and theory for CFD simulation, aerodynamics, hydrodynamics, and computational engineering.
Browse by Category
Computational Fluid Dynamics
CFD practice, numerical methods, meshing, convergence, validation, solver setup, residuals, and simulation assumptions.
Turbulence & Turbulence Modeling
RANS models, wall treatment, y+, turbulence quantities, inlet turbulence, model selection, and common practical mistakes.
Hydropower Engineering
Hydro turbines, runners, guide vanes, stay vanes, spiral cases, draft tubes, model testing, acceptance testing, and hydraulic performance.
Cavitation & Two-Phase Flow
Cavitation modeling, cavitating vortex rope, draft tube pressure pulsations, vapor models, and hydro-specific multiphase problems.
Simulation Automation & Programming
Python scripting, workflow automation, FORTRAN/C++ research code, post-processing, Linux workflows, and HPC simulation pipelines.
Artificial Intelligence
General AI concepts and infrastructure, including vector databases, embeddings, RAG architecture, agents, model evaluation, and AI systems.
AI for Engineers
Applied AI workflows for engineering practice, including simulation scripting, CFD workflows, engineering copilots, prompt libraries, and technical PDF/RAG workflows for engineers.
Engineering Project Management
Simulation project structure, technical documentation, test planning, stakeholder communication, proposal writing, and managing engineering uncertainty.
Computational Fluid Dynamics
3 ArticlesCFD practice, numerical methods, meshing, convergence, validation, solver setup, residuals, and simulation assumptions.
Understanding why monitoring residuals alone can lead to false convergence conclusions.
Learn how the Courant number affects your transient CFD simulations, and how to select the right time step based on your mesh and flow velocity.
Understand how the Reynolds number impacts your CFD simulation, from selecting characteristic lengths to determining flow regimes and mesh requirements.
Turbulence & Turbulence Modeling
2 ArticlesRANS models, wall treatment, y+, turbulence quantities, inlet turbulence, model selection, and common practical mistakes.
A practical guide to calculating the first cell height for boundary layer resolution.
A practical guide to understanding dimensionless wall distance (y+), its importance in turbulence modeling, and how to estimate your first cell height.
Hydropower Engineering
1 ArticleHydro turbines, runners, guide vanes, stay vanes, spiral cases, draft tubes, model testing, acceptance testing, and hydraulic performance.
A practical reading guide to a hydraulic turbine CFD review paper, with lessons on domain selection, operating points, RANS limits, validation, leakage, and transient simulations.
Cavitation & Two-Phase Flow
0 ArticlesCavitation modeling, cavitating vortex rope, draft tube pressure pulsations, vapor models, and hydro-specific multiphase problems.
Content coming soon for this topic.
Simulation Automation & Programming
2 ArticlesPython scripting, workflow automation, FORTRAN/C++ research code, post-processing, Linux workflows, and HPC simulation pipelines.
A strategic look at when to use commercial solvers vs open-source alternatives. Compare commercial and open-source simulation software (CFD/FEA). Understand the total cost of ownership, validation requirements, and when to use each.
How to Parse Solver Logs with Python
Automate the extraction of residuals and monitor data from text-based solver logs.
Artificial Intelligence
0 ArticlesGeneral AI concepts and infrastructure, including vector databases, embeddings, RAG architecture, agents, model evaluation, and AI systems.
Content coming soon for this topic.
AI for Engineers
7 ArticlesApplied AI workflows for engineering practice, including simulation scripting, CFD workflows, engineering copilots, prompt libraries, and technical PDF/RAG workflows for engineers.
Discover how to safely use AI and Machine Learning in CFD and engineering simulation. Learn where LLMs excel (scripting) and where they fail (physics).
A guide for CFD engineers on how to structure AI prompts for setting up simulations, defining physics, evaluating boundary conditions, and catching missing assumptions.
A guide for CFD engineers on how to safely prompt AI to parse solver logs, extract residuals, identify warning signs, and review convergence criteria.
Engineering AI Safety Checklist
A practical guide and checklist for safely using AI in CFD and engineering simulation. Learn when to trust LLMs and when human-in-the-loop verification is mandatory.
A guide for CFD engineers on how to safely prompt AI for mesh planning, inflation layer sizing, y+ target strategies, and grid independence workflows.
A guide to implementing Retrieval-Augmented Generation for engineering documents.
A guide for CFD engineers on how to safely prompt AI for turbulence model comparisons, assumptions, boundary condition framing, and validation strategies.
Engineering Project Management
1 ArticleSimulation project structure, technical documentation, test planning, stakeholder communication, proposal writing, and managing engineering uncertainty.
A comprehensive checklist for setting up CFD simulations, covering geometry, meshing, boundary conditions, physics models, and solver settings.