😏 This is another take of the cylinder case (vortex shedding), which we know and love, but with three component meshes.
👍 We also introduce some best practices within OpenFOAM and we compare the solution with the outcome of Ansys Fluent 2023.
🤔 Overset meshes (OM) are also known as overlapping grids, overset composite grids, composite overlapping meshes, chimera meshes, patches grids, composite grids, relaxed multi-block meshes.
😵‍💫 To better follow this tutorial, we advise you to watch first the following presentation,
Let's talk about overset meshes | A general overview with CFD examples
• Let's talk about overs...
Case files (Fluent):
bit.ly/3tRNRVK
Case files (OpenFOAM):
bit.ly/3H8WhuT
Slides: OpenFOAM vs. Fluent - Comparison
bit.ly/3u5UcwU
👌 Introduction to overset meshes in OpenFOAM and Ansys Fluent:
Quick and dirty Introduction to overset meshes in OpenFOAM-V2312
• Quick and dirty introd...
Quick and dirty Introduction to overset meshes in Ansys Fluent 2023
• Quick and dirty introd...
Chapters:
00:00 Introduction
01:10 How to assemble overset meshes in OpenFOAM
04:00 Let's visualize the overset mesh assembly in Paraview
05:11 Know the order of the meshes
07:32 Let's assign a zone id to each zone - zoneID
08:59 About boundary conditions
09:38 Let's visualize the overset
12:14 Let's cut the chimera hole
13:30 Let's take a look at the chimera hole
17:07 Case setup, numerics, etc...
23:05 An advice from the developers
28:30 Let's run the case
30:24 Ranting again about Intel hybrid architecture
30:34 Let's take a look at the solution
33:04 OpenFOAM vs. Fluent
40:05 Main takeaways - Final remarks
Useful links:
Ansys Student - Free Software Download
www.ansys.com/academic/studen...
🫡 Old playlist. This was back in 2019 - Pre-pandemic times fellas!
• Overset meshes with Op...
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