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Adaptive Mesh Refinement based on an octree data structure?

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Old   August 28, 2015, 14:21
Default Adaptive Mesh Refinement based on an octree data structure?
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Olabanji
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Is the OpenFOAM Adaptive Mesh Refinement based on an quadtree/octree data structure ?

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Old   August 28, 2015, 14:34
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Quote:
Originally Posted by hjasak View Post
Yup. Use a mixed boundary condition and switch the value fraction. That will do most things.

If you want to be really fancy, you can have a topologically changing mesh and a rematch topo modifier to move faces from one patch to another
Hello Prof. Jasak,

Please, is the implementation of dynamic mesh refinement in openfoam based on an octree data structure?

I wish to understand the code better especially the dynamic mesh handling for a moving interface. Here, I believe the value of the volume fraction (alpha/gamma) is used for thresholding.

Thank you.
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Old   August 30, 2015, 18:41
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Quick answer: Used Google with this search:
Code:
site:cfd-online.com mesh refinement octree openfoam
Found a few examples:
2D meshes for dynamic refinement is not supported. There are a few threads that talk about it.
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