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Forum: OpenFOAM

February 2, 2022, 02:45

Replies: 3

How to efficiently find all cells within an 3D object (e.g. box or sphere)?

Views: 702

Posted By keepfit

hey Tobi, thanks very much for your reply. At the...

hey Tobi, thanks very much for your reply. At the moment I am implementing a BFS (breath first search) algorithm: treat the cell at the central of the object as root node, then use the connectivity...

Forum: OpenFOAM

January 26, 2022, 02:16

Replies: 3

How to efficiently find all cells within an 3D object (e.g. box or sphere)?

Views: 702

Posted By keepfit

How to efficiently find all cells within an 3D object (e.g. box or sphere)?

Hi Foamers,

suppose there is a moving object in fluid. I want to know all cells (IDs) that intersects the object at EVERY timestep. Is there any way to avoid loop all cells in the fluid domain?
...

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