Code Smarter,
Engineer Better
Making engineering education more accessible and practical. Learn OpenFOAM, CFD, Scientific Computing, and more through our courses and open-source contributions.
About Us
Engineering Made Accessible
Codeynamics was founded with a mission to make engineering education more accessible and practical. We break down complex concepts into easy-to-understand lessons.
Practical Learning
We focus on hands-on, practical engineering education. No fluff — just real skills you can apply immediately in your projects and career.
Open Source
We actively contribute to open-source engineering software. Learn with tools that are free, transparent, and community-driven.
Research-Driven
Our content is backed by real research and industry experience in CFD, numerical methods, and computational modeling.

Harish Jayaraj
Founder/Instructor, Codeynamics
Harish Jayaraj is a CFD Software Development Engineer with expertise in scientific computing and mathematical modeling. He specializes in OpenFOAM, ParaView, and Ansys Fluent for CFD simulations across HVAC and Aerospace domains.
He holds a Bachelor's in Mechanical Engineering and was recognized as the Best Outgoing Student of his batch. With 5 design patents and recognition from IISc and IITs, he brings deep expertise to engineering education.
Courses & Content
Learn Engineering The Right Way
Full courses available for members on YouTube or as lifetime purchases on Udemy. Free tutorials available on YouTube too.
OpenFOAM Absolute Beginners
Learn OpenFOAM from scratch. Setup cases, mesh generation, solver configuration, and post-processing with ParaView.
OpenFOAM Intermediate
Take your OpenFOAM skills further. Advanced solver configuration, custom boundary conditions, and simulation workflows.
Propeller Meshing Using snappyHexMesh
Step-by-step meshing of a propeller geometry using snappyHexMesh. Covers blockMesh background setup, surface extraction, and mesh refinement levels.
2D Flow over Prism — OpenFOAM Tutorial
Complete steady-state laminar flow simulation using simpleFoam. From geometry creation to solver setup and post-processing with ParaView.
Sliding Mesh — Rotating Fan in Room
Simulate rotating machinery with sliding mesh (cyclic AMI) in OpenFOAM. Full workflow from preprocessing to animated post-processing.
Open Source
Building for the Community
We actively develop and contribute to open-source engineering tools. Explore our projects and join the community.
Open Source Tools
Building and maintaining engineering tools, libraries, and frameworks on GitHub for the community.
Explore on GitHubEducation Content
Free tutorials, guides, and documentation to help engineers master complex tools and concepts.
Watch TutorialsCommunity First
Join our growing community of engineers, researchers, and open-source contributors from around the world.
Join CommunityGet Started
Ready to Engineer Better?
Join thousands of engineers who are mastering complex tools and concepts through Codeynamics. Start learning today — it's free.