The development of the model took a long time and was very complicated, but the result is impressive: The excitation and vibration behavior of an organ pipe can also be simulated with FreeCad CfdOF. Tutorial #9 von Karman vortex.FCStd (23.73 KiB) Downloaded 106 times I hope that my tutorials will make the CfdOF community even bigger and that more users will use this marvellous software. When I started with Freecad, many tutorials - especially the tutorials by r-frank, anisim and Pawel Lojek - helped me a lot. I really enjoyed recording these tutorials, I hope you enjoy watching them as well. Tutorials #8, #9 and #10 are advanced tutorials, they show how to set up a simulation with 2 phasis, a transient simulation and how to invoke a new solver (rhoPimpleFoam). These tutorials show the difference between a laminar flow and a turbulent flow, the use of boundary conditions and show how to add boundary conditions that are not given in the CfdOF Workbench itself.
The tutorials #2 - #5 can be regarded as a verification of CFD, the results of the CFD-simulation are compared to analytical solutions. My objective was to record tutorials for advanced users and tutorials that provide a deeper understanding of the methods in CFD. Of course, there are a lot of real good tutorial.
Thanks to the German “Kurzarbeit” (= short-time work) and Corona lockdown, I had time to record some tutorials about Freecad CfdOF. Please note that I recorded the tutorials before the change in 2D modelling. In order to keep the file size small, I deleted the mesh, so create the mesh before running the simulation. The collection of tutorials can be seen here.
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