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Adaptive Mesh Refinement based on an octree data structure?

Is the OpenFOAM Adaptive Mesh Refinement based on an quadtree/octree data structure ?

Thank you.

Quote:

Originally Posted by hjasak (Post 559210)

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.

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.