Air Assist Nozzle for Laser Cutter
I solved the problem with burn marks on Klarart‘s laser cutter. Here is the blog post about details. At the end, I mentioned that the air assist nozzle might not…
Author: Nejc
Slow Chrome Remote Desktop Connection: Solved!
The Problem I’ve been using Chrome Remote Desktop quite happily for a while now. But sometimes it just wouldn’t work as expected. It would connect with no problems but then…
Laser Cutting Burn Marks And How to Get Rid of Them
There are tons of advice on how to clean laser cutting burn marks. Most of them are useless but the ones that work require quite a lot of elbow grease.…
OpenFOAM and DAKOTA: a Complete Guide
Running a single CFD simulation rarely provides enough information to find a good hydraulic or aerodynamic design of a component. In many cases the poor engineer has to wrestle an…
A Parametric CFD Model: Wind Turbine from Pipes
I’m building a wind turbine and as you might imagine, the blades are Ye Royale Paine In Me Buttocks. Too big for a CNC, too exposed for a 3D print,…
blockMesh for External Flows
The Old-Fashioned blockMesh BlockMesh is the weapon of choice for directly generating rather simple meshes of channels, pipes, 2D-stuff etc. Those are mostly internal flows. With external flows, life gets…
RunFunctions: a Quick Cheatsheet
All OpenFOAM tutorials have Allrun and Allclean scripts which call some mysterious RunFunctions from even more mysterious sources. The most mysterious thing of all this is how poorly those are…
Classy Classes for blockMesh
IMPORTANT! classy_blocks have been massively improved but this article hasn’t. Please refer to readme in repository for most up-to-date information and examples. blockMesh: pros and cons blockMesh is a great…