CFD & Simulation
What Is Computational Fluid Dynamics?
A clear introduction to CFD: what it solves, how the equations are discretised, and when a simulation can be trusted.
11 min readBy Dr. Elena Marchetti
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CFD & Simulation
CFD fundamentals, ANSYS Fluent, CFX, OpenFOAM, FDS, turbulence, meshing and validation.
Topics in this cluster
- Computational Fluid Dynamics fundamentals
- ANSYS CFX
- ANSYS Fluent
- OpenFOAM
- Fire Dynamics Simulator
- Gas dispersion
- Fire simulation
- Explosion modelling
- Multiphase flow
- Turbulence modelling
- Meshing
- Numerical methods
- Simulation validation and verification
Articles
CFD & Simulation
ANSYS Fluent vs. OpenFOAM: Which One Should You Use?
A balanced comparison of licensing, solver capability, meshing, scripting and support for industrial and academic work.
10 min readBy Dr. Elena Marchetti
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Understanding Turbulence Models
RANS, k-epsilon, k-omega SST, LES and DES compared, with guidance on choosing a model for your problem.
12 min readBy Dr. Elena Marchetti
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Beginner's Guide to Gas Dispersion Simulation
Setting up a credible dispersion study: source terms, atmospheric stability, domain sizing and acceptance criteria.
12 min readBy Dr. Elena Marchetti
Read ArticleCFD & Simulation
Common CFD Meshing Mistakes
Skewness, y+, abrupt size transitions and under-resolved boundary layers: how to spot and fix them early.
9 min readBy Dr. Elena Marchetti
Read ArticleRelated tutorials
- Beginner · 45 min
Run Your First OpenFOAM Simulation
Set up, mesh, run and post-process a laminar pipe flow case from the command line.
- Intermediate · 50 min
Automate CFD Post-Processing with Python
Batch-read solver monitors, compute averaged quantities and generate a comparison report.
- Advanced · 90 min
Set Up a Fire Simulation in FDS
Define geometry, burners, ventilation and output devices for a compartment fire study.